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EME/CS/PKDNNHKASSKL/2018-19/104: R00 31.07.2018 R01 Dated 21/01/2019
Padmabhushan Krantiveer Dr. Nagnathanna
Nayakawadi Hutatma Kisan Ahir SSK Ltd.
ENVIRONMENT IMPACT ASSESSMENT REPORT
Integrated Project of Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) with Incineration
Boiler/TG /Auxiliaries for ZLD & Cogeneration Power Plant (44 MW) Village Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
ENVIRONMENT CONSULTANT AND LABORATORY
MITCON Consultancy & Engineering Services Ltd., Pune Environment Management and Engineering Division QCI-NABET Accredited Consultant Accreditation No. NABET/EIA/1720/RA0075 Behind DIC Office, Agriculture College Campus, Shivajinagar, Pune 411 005, Maharashtra (INDIA) Tel: +91- 020-66289400/404/407
MITCON Consultancy & Engineering Services Ltd. 1
DECLARATION BY EXPERTS INVOLVED IN PREPARATION OF EIA REPORT
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries for ZLD & Cogeneration Power Plant (44
MW) Project at Nagnathannanagar, Tal. Walwe, Dist. Sangli, Maharashtra
I, hereby certify that I was a part of the EIA team in the following capacity that developed
the above EIA.
EIA Coordinator Signature & Date: 21.02.2019
Name : Dr. Hemangi Nalavade Period of involvement : Jan 2018 to till date Contact information : MITCON Consultancy and Engineering Services Ltd.
Environment Management & Engineering Division Agriculture College Campus, Next to DIC office, Shivaji Nagar, Pune. 411 005, Maharashtra (India) Tel: +91-20-662894 Fax No. +91-20-25521607 Email: [email protected]
Functional Area Experts
S. No.
Name of the expert/s
Functional Area
Involvement (Period & Task) Signature &
Date
1. Dr. Sandeep Jadhav
EB & SC
Dec 2018 to till date, Interpretation of primary data and analysis of results and predicting impacts and providing mitigation measures. Analysis of soil interpretation of results. Impact predictions and suggesting of mitigation measures
2. Mr. Shrikant Kakade
EB
Dec 2018 to till date to till date Field visit for study of flora and fauna in the 10 km area, study of rare endangers species. primary data collection. Interpretation of primary data and analysis of results and predicting impacts and providing mitigation measures. writing , inputs Water &social aspects
3. Dr. Hemangi N. Nalavade
AQ, SHW
Jan 2018 to till date Baseline survey & preparation of EIA EMP. Air quality modeling for prediction of air pollution impact due to proposed project using ISCST-3 model. Computed the maximum GLC of pollutant over baseline environmental parameter. Identification for hazardous solid waste. Prediction of the impact and suggesting mitigation measures. Formulation of EMP.
2 MITCON Consultancy & Engineering Services Ltd.
S. No.
Name of the expert/s
Functional Area
Involvement (Period & Task) Signature &
Date
4. Mr. Ganesh Khamgal
SE May 2018 to till date Data collection, interpretation and impact assessment, suggestion to CSR activities
5. Dr. Nitin Karmalkar
HG & GEO
May 2018 Review and observation of hydrology and geology in the 10 km radius of the project area, data collection and interpretation; identification of impact and formulation of EMP
6. Ananat Gadre
LU May-June 2018 Site Observations and preparation of Land use maps.
7. Mr. Chetan
Patil ISW July 2018
Review of Interpretation of identified hazardous substances and degree of risk prediction of the impact and suggesting mitigation measures.
8. Mr. Aniket
Taware
RH May 2018 Assisting in Risk assessment and its report preparation
Declaration by the Head of the Accredited Consultant Organization I, Dr. Sandeep Jadhav (Executive Vice President & Head, EME Division) hereby, confirm that
the above mentioned experts involved in Environmental Impact Assessment of Proposed
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100
KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44
MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
I also confirm that I shall be fully accountable for any mis-leading information mentioned in
this statement
Signature:
Name Dr. Sandeep Jadhav
Designation Executive Vice President & Head, EME Division
EIA Consultant Organization MITCON Consultancy and Engineering Services Ltd
MITCON Consultancy & Engineering Services Ltd. 3
4 MITCON Consultancy & Engineering Services Ltd.
TOR COMPLIANCE
A. Standard Terms of Reference
Sr.
No.
Awarded ToR’s Compliance
1. Executive Summary It is attached as a separate chapter to the EIA/ EMP report.
2. Introduction
i. Details of the EIA Consultant including NABET accreditation
MITCON Consultancy and Engineering Services Ltd., is a NABET accredited consultant organization ‘A’ (NABET/EIA/1720/RA0075).
ii. Information about the project proponent
Mentioned in chapter I
iii. Importance and benefits of the project
The current policies in Maharashtra and in India are conducive and backed by favorable regulatory framework for generation of eco-friendly power & ethanol, as well as regarding support for private investment in such integrated projects. The recent trend of increase in the crude oil prices shows possibilities of greater use of agro based alcohol for various applications.
3. Project Description
i. Cost of project and time of completion.
The total cost of the project is estimated about Rs. 57438 Lakhs. Expected time of completion of project is 1 to 2 years.
ii. Products with capacities for the proposed project.
Total capacities given below Cane crushing : Expansion from 5000 to 7500 TCD Power generation: 44 MW Ethanol/Pure Rectified Spirit/ Impure Spirit/ENA: 30 to 100 KLPD
iii. If expansion project, details of existing products with capacities and whether adequate land is available for expansion, reference of earlier EC if any.
Products Existing Total Proposed
Cane crushing 5000 TCD 7500 TCD
Power generation 24 MW 44 MW
Distillery ENA/RS/AA/Ethanol
30 KLPD 100 KLPD
Bagasse( TPD) 1400 2100
Press mud( TPD) 200 300
Molasses( TPD) 48000 72000
iv. List of raw materials required and their source along with mode of transportation.
Sugarcane, Molasses, Urea, Antifoaming agent, Di-ammonium phosphate (DAP), Lime, Sulphur, Caustic soda, Hydrochloric acid, Sodium chloride, Phosphoric acid and Lubricant oil will the basic raw material and chemicals will be procured from nearby market. Mode of transport will be by road.
MITCON Consultancy & Engineering Services Ltd. 5
v. Other chemicals and materials required with quantities and storage capacities
Raw material Existing Proposed
Sugarcane (TPD) 5000 7500
Molasses (TPD) requirement 120 400
Coal(TPH) Nil 16.00
Lime (TPD) 8.00 12.00
Sulphur(TPD) 2.5 3.75
Hydrochloric acid kg/day 15.00 30.00
Sodium chloride - -
Phosphoric acid kg/d 50 80
Lubricant Oil L/d 150 225
vi. Details of Emission, effluents, hazardous waste generation and their management.
Particulate Matter (PM), SO2 & NOx are main pollutants being/to be emitted from stacks attached with steam Boilers of capacity 220 TPH and incineration boiler of capacity 40 TPH. Air pollution equipment’s like Electrostatic precipitator (ESP) will be installed. Waste water will be generate from process and steam condensate, boiler, and cooling tower blow down and water treatment plant, will be treated in ETP called condensate polishing unit and reused in process. Spent wash generated during the process of distillation will be treated in multiple effective evaporators to concentrate the spent wash and it will be used in boiler as a fuel. For existing distillery bio-methanation and bio composting is in practice. Fly ash generated from Coal/ spent wash Boiler will be collected in the ash silos and sent to brick manufacturing units without creating public nuisance. Spent wash ash is rich in potassium thus it can be used as a manure.
vii. Requirement of water, power, with source of supply, status of approval, water balance diagram, man-power requirement (regular and contract)
All information is summarized in chapter II.
viii. Process description along with major equipment’s and machineries, process flow sheet (quantitative) from raw material to products to be provided
Process description with process flow chart and quantities of raw water and products are given in Chapter II. Major equipment’s and machineries list is given in chapter II.
ix. Hazard identification and details of proposed safety systems.
Hazardous identification and the proposed safety system are thoroughly described in Chapter VII Additional studies.
Expansion/modernization proposals:
a. Copy of all the Environmental Environmental clearance of the existing Sugar
6 MITCON Consultancy & Engineering Services Ltd.
Clearance(s) including Amendments thereto obtained for the project from MOEF/SEIAA shall be attached as an Annexure. A certified copy of the latest Monitoring Report of the Regional Office of the Ministry of Environment and Forests as per circular dated 30th May, 2012 on the status of compliance of conditions stipulated in all the existing environmental clearances including Amendments shall be provided. In addition, status of compliance of Consent to Operate for the ongoing /existing operation of the project from SPCB shall be attached with the EIA-EMP report.
3500 TCD to 5000 TCD and 24 MW Cogeneration is granted on file no. J-11011/197/2013-IA-II (I) dated 22.02.2017 and for Distillery 30 KLPD file no. J-11011/661/2007-IA-II (I) distillery dated 17.09.2007(Initial dated) and 12.10.2015 (Extension letter) Environmental clearances letter are attached in Annexures.
a. In case the existing project has not obtained environmental clearance, reasons for not taking EC under the provisions of the EIA Notification 1994 and/or EIA Notification 2006 shall be provided. Copies of Consent to Establish/ No Objection Certificate and Consent to Operate (in case of units operating prior to EIA Notification 2006, CTE and CTO of FY 2005-2006) obtained from the SPCB shall be submitted. Further, compliance report to the conditions of consents from the SPCB shall be submitted.
Not Applicable
4. Site Details
i. Location of the project site covering village, Taluka/ Tehsil, District and State, Justification for selecting the site, whether other sites were considered.
The location of the project and site selection criterion is described in Chapter V, of the EIA/EMP report. No alternative site has considered as proposed project site is appropriate for establishment of distillery unit.
ii. A toposheet of the study area of radius of 10 km and site location on 1:50,000/1:25,000 scale on an A3/A2 sheet. (including all eco-sensitive areas
Map of study area of 10 km radius marked on Toposheet is given in chapter III, size map of 10 km radius marked on toposheet is attached in annexure I.
MITCON Consultancy & Engineering Services Ltd. 7
and environmentally sensitive places)
iii. Details w.r.t. option analysis for selection of site
Analysis for selection of site information is given in Chapter V
iv. Co-ordinates (lat-long) of all four corners of the site.
Co-ordinates (lat-long) of all corners of the site are given in chapter II
v. Google map-Earth downloaded of the project site.
Please refer Chapter III
vi. Layout maps indicating existing unit as well as proposed unit indicating storage area, plant area, greenbelt area, utilities etc. If located within an Industrial area/Estate/Complex, layout of Industrial Area indicating location of unit within the Industrial area/Estate.
Please refer Chapter II of the EIA/EMP report. Green belt layout map separately given in Chapter X.
vii. Photographs of the proposed and existing (if applicable) plant site. If existing, show photographs of plantation/greenbelt, in particular.
Please refer Chapter II page no, Greenbelt development photographs given in chapter X,
viii. Land use break-up of total land of the project site (identified and acquired), government,/ private - agricultural, forest, wasteland, water bodies, settlements, etc shall be included. (not required for industrial area)
Please refer Chapter II. Table no. 2.1 for area breakup of project site break-up, of the EIA/EMP report.
ix. A list of major industries with name and type within study area (10 km radius) shall be incorporated. Land use details of the study area
No any industry is located in 10 km radius area.
x. Geological features and Geo-hydrological status of the study area shall be included.
Chapter III point no. 3.5 and 3.6 of the EIA/EMP report.
xi. Details of Drainage of the project up to 5km radius of study area. If the site is within 1 km radius of any major river, peak and lean season river discharge as well as flood occurrence frequency based on peak rainfall data of the past 30 years. Details of Flood Level of
Chapter III the EIA/EMP report for drainage
pattern of the study area.
Not present within 1 km radius of the project
site. Krishna River is flowing at a distance of 2.2
km in from the project site.
8 MITCON Consultancy & Engineering Services Ltd.
the project site and maximum Flood Level of the river shall also be provided. (mega green field projects)
xii. Status of acquisition of land. If acquisition is not complete, stage of the acquisition process and expected time of complete possession of the land.
The total land is in possession with management and the land acquisition.
xiii. R&R details in respect of land in line with state Government policy
The site is situated on a barren land without having human settlements. Therefore no R & R study is required.
5. Forest and wildlife related issues (if applicable)
i. Permission and approval for the use of forest land (forestry clearance), if any, and recommendations of the State Forest Department. (if applicable)
Not Applicable as any forest land is involved within 10 km radius of the project site.
ii. Landuse map based on High resolution satellite imagery (GPS) of the proposed site delineating the forestland (in case of projects involving forest land more than 40 ha)
No forest land is involved.
iii. Status of Application submitted for obtaining the stage I forestry clearance along with latest status shall be submitted.
Not Applicable
iv. The projects to be located within 10 km of the National Parks, Sanctuaries, Biosphere Reserves, Migratory Corridors of Wild Animals, the project proponent shall submit the map duly authenticated by Chief Wildlife Warden showing these features vis-à-vis the project location and the recommendations or comments of the Chief Wildlife Warden-thereon
Not Applicable. No National Parks, Sanctuaries, Biosphere Reserves, Migratory Corridors of Wild Animals located within 10 km radius of the project site.
v. Wildlife Conservation Plan duly authenticated by the Chief Wildlife Warden of the State Government for conservation of Schedule I fauna, if any exists in
Not Applicable
MITCON Consultancy & Engineering Services Ltd. 9
the study area
vi. Copy of application submitted for clearance under the Wildlife (Protection) Act, 1972, to the Standing Committee of the National Board for Wildlife
Not Applicable
6. Environmental Status
i. Determination of atmospheric inversion level at the project site and site-specific micrometeorological data using temperature, relative humidity, hourly wind speed and direction and rainfall.
Chapter III of the EIA/EMP report for site-specific micrometeorological data.
ii. AAQ data (except monsoon) at 8 locations for PM10, PM2.5, SO2, NOX, CO and other parameters relevant to the project shall be collected. The monitoring stations shall be based CPCB guidelines and take into account the pre-dominant wind direction, population zone and sensitive receptors including reserved forests
Details of AAQ monitoring are given in Chapter III
iii. Raw data of all AAQ measurement for 12 weeks of all stations as per frequency given in the NAQQM Notification of Nov. 2009 along with - min., max., average and 98% values for each of the AAQ parameters from data of all AAQ stations should be provided as an annexure to the EIA Report.
Attached in Annexures.
iv. Surface water quality of nearby River (100m upstream and downstream of discharge point) and other surface drains at eight locations as per CPCB/MoEF&CC guidelines.
Chapter III of the EIA/EMP report.
v. Whether the site falls near to polluted stretch of river identified by the CPCB/MoEF&CC, if yes give details.
No. The site does not falls near to polluted stretch of river identified by the CPCB/MoEF&CC
10 MITCON Consultancy & Engineering Services Ltd.
vi. Ground water monitoring at minimum at 8 locations shall be included
Total 9 ground water monitoring locations were selected and results for the same are given in Chapter III.
vii. Noise levels monitoring at 8 locations within the study area
Chapter III point no. 3.11 of the EIA/EMP report.
viii. Soil Characteristic as per CPCB guidelines
Soil characteristics point 3.13 Table 3.18
ix. Traffic study of the area, type of vehicles, frequency of vehicles for transportation of materials, additional traffic due to proposed project, parking arrangement etc.
Details of traffic study are given in Chapter III
x. Detailed description of flora and fauna (terrestrial and aquatic) existing in the study area shall be given with special reference to rare, endemic and endangered species. If Schedule-I fauna are found within the study area, a Wildlife Conservation Plan shall be prepared and furnished.
Details of Flora and Fauna are given in Chapter III point no. 3.14
xi. Socio-economic status of the study area.
Details of Socio-economic are given in Chapter III point no. 3.15 of the EIA report
7. Impact and Environment Management Plan
i. Assessment of ground level concentration of pollutants from the stack emission based on site-specific meteorological features. In case the project is located on a hilly terrain, the AQIP Modeling shall be done using inputs of the specific terrain characteristics for determining the potential impacts of the project on the AAQ. Cumulative impact of all sources of emissions (including transportation) on the AAQ of the area shall be assessed. Details of the model used and the input data used for modeling shall also be provided. The air quality contours shall be plotted on a location map showing the location of project
Impact assessment of all sources of emissions (including transportation) on the AAQ of the area have been assessed and described in Chapter IV
MITCON Consultancy & Engineering Services Ltd. 11
site, habitation nearby, sensitive receptors, if any.
ii. Water Quality modeling - in case of discharge in water body
Not Applicable
iii. Impact of the transport of the raw materials and end products on the surrounding environment shall be assessed and provided. In this regard, options for transport of raw materials and finished products and wastes (large quantities) by rail or rail-cum road transport or convey or cum- rail transport shall be examined.
There will be no negative impact of the transport of the raw materials and end products on the surrounding environment. All product and raw material transportation will be done by national highways and village pacca road. Transportation of Products and Raw material will be done by Trucks.
iv. A note on treatment of wastewater from different plant operations, extent recycled and reused for different purposes shall be included. Complete scheme of effluent treatment. Characteristics of untreated and treated effluent to meet the prescribed standards of discharge under EPA Rules.
Factor is proposing to adopt incineration boiler technology for spent wash treatment, Hence, process condensate will be generated during evaporation, and this will be recycled in the process. Moreover spent lees will also be recycled in the cooling tower make up water. After recycling the generated wastewater in the process, daily fresh water requirement for 100 KLPD distillery will around 790 CMD. Hence total fresh water consumption is around 7.9 KL/KL of alcohol production. Complete scheme of effluent generation and its disposal is given in Chapter X
v. Details of stack emission and action plan for control of emissions to meet standards
Details of stack emissions and control measures are given in Chapter IV,
vi. Measures for fugitive emission control
Chapter IV point no. 4.3.1 Of the EIA report.
vii. Details of hazardous waste generation and their storage, utilization and management. Copies of MOU regarding utilization of solid and hazardous waste in cement plant shall also be included. EMP shall include the concept of waste-minimization, recycle/reuse/recover techniques, Energy conservation, and natural resource conservation.
Solid waste will be mainly yeast sludge, boiler
ash and spent oil, discarded container etc.
Boiler coal ash will be sold to the brick-
manufacturing unit. Spent wash ash will be used
as manure. The yeast sludge can be used as
manure. Scrap oil authorized refiner or will be
mixed with coal and burnt in the boiler. Empty
containers will be Sold to authorized recyclers.
viii. Proper utilization of fly ash shall Fly ash collection system will be installed with
12 MITCON Consultancy & Engineering Services Ltd.
be ensured as per Fly Ash Notification, 2009. A detailed plan of action shall be provided.
ESP. Fly ash will be collected and store in silos and send to the brick manufacturer
ix. Action plan for the green belt development plan in 33 % area i.e. land with not less than 1,500 trees per ha. Giving details of species, width of plantation, planning schedule etc. shall be included. The green belt shall be around the project boundary and a scheme for greening of the roads used for the project shall also be incorporated.
Detail action plan for green belt development is given in Chapter X, point no. 10.3.6
x. Action plan for rainwater harvesting measures at plant site shall be submitted to harvest rainwater from the roof tops and storm water drains to recharge the ground water and also to use for the various activities at the project site to conserve fresh water and reduce the water requirement from other sources.
Chapter X point no.10.3.8 of the EIA/EMP report.
xi. Total capital cost and recurring cost/annum for environmental pollution control measures shall be included.
Estimated cost of EMP is Rs. 10.5 cr. per annum for environmental pollution control measures.
xii. Action plan for post-project environmental monitoring shall be submitted.
Action plan for post-project environmental monitoring is given in detail in chapter VI,
xiii. Onsite and Offsite Disaster (natural and Man-made) Preparedness and Emergency Management Plan including Risk Assessment and damage control. Disaster management plan should be linked with District Disaster Management Plan.
Details of onsite and offsite Disaster (natural and Man-made) preparedness and Emergency Management Plan including Risk Assessment and damage control is given in Chapter VII.
8. Occupational health
i. Plan and fund allocation to ensure the occupational health & safety of all contract and casual workers
Total 24.8 lakhs has been allotted as Initial fund allocation to ensure the occupational health & safety of all contract and casual workers.
ii. Details of exposure specific Details regarding Occupational & Safety Hazards
MITCON Consultancy & Engineering Services Ltd. 13
health status evaluation of worker. If the workers' health is being evaluated by pre designed format, chest x rays, Audiometry, Spirometry, Vision testing (Far & Near vision, colour vision and any other ocular defect) ECG, during pre-placement and periodical examinations give the details of the same. Details regarding last month analyzed data of above mentioned parameters as per age, sex, duration of exposure and department wise.
are described in Chapter X and Chapter VII.
iii. Details of existing Occupational & Safety Hazards. What are the exposure levels of hazards and whether they are within Permissible Exposure level (PEL). If these are not within PEL, what measures the company has adopted to keep them within PEL so that health of the workers can be preserved,
Details regarding Occupational & Safety Hazards are described in Chapter VII.
iv. Annual report of health status of workers with special reference to Occupational Health and Safety.
Annual report of health status of workers will be submitted in six monthly compliance reports after the accord of EC as it is a new project.
9. Corporate Environment Policy
i. Does the company have a well laid down Environment Policy approved by its Board of Directors? If so, it may be detailed in the EIA report.
No, at the movement factory does not have approved Environment Policy; however company shall be planning the same.
ii. Does the Environment Policy prescribe for standard operating process / procedures to bring into focus any infringement / deviation / violation of the environmental or forest norms /conditions? If so, it may be detailed in the EIA.
Company shall be planning to develop environmental policy and ensures, environment policy prescribe for standard operating process / procedures to bring into focus any infringement / deviation / violation of the environmental or forest norms / conditions
iii. What is the hierarchical system or Administrative order of the company to deal with the
Hierarchical system of the company deal with the environmental issues is given in Chapter VI, Table 6.4
14 MITCON Consultancy & Engineering Services Ltd.
environmental issues and for ensuring compliance with the environmental clearance conditions? Details of this system may be given.
iv. Does the company have system of reporting of non-compliances / violations of environmental norms to the Board of Directors of the company and / or shareholders or stakeholders at large? This reporting mechanism shall be detailed in the EIA report
The EMC will monitor non-compliances / violations of environmental norms. The cell will also be responsible for maintaining the records of data, documents, and information in line with the legislative requirement and will regularly furnish the same to the concern statutory authorities.
10. Details regarding infrastructure facilities such as sanitation, fuel, restroom etc. to be provided to the labour force during construction as well as to the casual workers including truck drivers during operation phase.
Facilities during construction and operation such as clean water for washing the hands, sanitation facility, and cleanup after work, Clean area for eating and taking rest shall be provided.
11. Enterprise Social Commitment (ESC)
Adequate funds (at least 2.5 % of the project cost) shall be earmarked towards the Enterprise Social Commitment based on Public Hearing issues and item-wise details along with time bound action plan shall be included. Socio-economic development activities need to be elaborated upon.
The company has planned to invest 2.87 Cr. (0.5%) on the CER activities. Details of CER activities are given in Chapter X.
12. Any litigation pending against the project and/or any direction/order passed by any Court of Law against the project, if so, details thereof shall also be included. Has the unit received any notice under the Section 5 of Environment (Protection) Act, 1986 or relevant Sections of Air and Water Acts? If so, details thereof and compliance/ATR to the notice(s) and present status of the case.
No
13. 'A tabular chart with index for point wise compliance of above TOR.
Point-wise compliance of the ToRs has been given in the tabular form.
14. The ToRs prescribed shall be valid for a period of three years for submission of the EIA-EMP reports.
Noted
MITCON Consultancy & Engineering Services Ltd. 15
Specific TOR
Sr. No.
Awarded ToR’s Compliance
Distillery
1. Public hearing to be conducted and issues raised and commitments made by the project proponent on the same should be included in EIA/EMP Report in the form of tabular chart with financial budget for complying with the commitments made.
Public consultation was carried out on 12.10.2018. All public hearing documents are attached in Annexures. Brief questioning and answering during public hearing in tabular format is given in Chapter VII
2. Proposed effluent treatment system for molasses distillery ( spent wash, spent lees, condensate and utilities ) as well as domestic sewage and scheme for achieving zero effluent discharge(ZLD)
Factory will be adopting Zero Liquid Discharge (ZLD). Waste water will be generate from process and steam condensate, boiler and cooling tower blow down and water treatment plant, will be treated in ETP called condensate polishing unit and reused in process. Spent lees from distillation, will be recycled back in the process. Existing Spent wash ~600 CMD will be treated through Biogas followed by MEE followed by Bio-composting. Spent wash 360 CMD generated from proposed expansion during the process of distillation will be treated in multiple effective evaporators to concentrate the spent wash and it will be used in boiler as a fuel.
3. Plan to reduce spent wash generation within 6-8 KL/KL of alcohol produced.
Total Spent wash generation is around 600 CMD; Factory is proposing incineration boiler technology for spent wash treatment for proposed expansion. Factory will be adopting continuous fermentation which will help to reduce spent wash generation.
4. Proposed action to restrict fresh water consumption within 10 KL/KL of alcohol production.
After recycling the generated wastewater in the process, daily fresh water requirement is 790 CMD. Hence total fresh water consumption is around 7.9 KL/KL of alcohol production
5. Details about capacity of spent wash holding tank, material used, design consideration. No. of piezometers to be proposed around spent wash holding tank and composting Yard
Spent wash storage lagoon with 5 day capacity is already installed. New spent wash Lagoon will be also installed.
6. Arrangements for installation of continuous online monitoring system (24x7 monitoring device).
The arrangement of continuous online monitoring system and online flow meter and camera is already installed.
16 MITCON Consultancy & Engineering Services Ltd.
Sr. No.
Awarded ToR’s Compliance
7. List of existing distillery units in the study area along with their capacity and sourcing of raw material.
Within the 10 km of study area, there are no distilleries, however, list of nearby distillery is given in Chapter III.
8. Number of working days of the distillery unit.
300 for Distillery 193 of Cogeneration (season & off season) 160 days Sugar
9. Details of raw materials such as molasses/grains, their source with availability.
Details are given in chapter II, Table 2.8
10. Details of the use of steam from the boiler.
Steam Generation Season is 220 TPH Details are given in chapter II, Table 2.5
11. Surface and Ground water quality around proposed spent wash storage lagoon, and compost yard.
Existing ground water quality in the area is analyzed. Results of the same are given in Chapter III.
12. Plan to reduce spent wash generation within 6-8 KL/KL of alcohol produced.
Spent wash generation is around 600 KLD; however factory is proposing incineration boiler technology for spent wash treatment for expansion. Factory will be adopting continuous fermentation which will help to reduce spent wash generation. Hence total spent wash generation is around 6 KL/KL of alcohol production
13. Proposed effluent treatment system for molasses/grain based distillery (spent wash, spent lees, condensate and utilities) as well as domestic sewage and scheme for achieving zero effluent discharge (ZLD).
Factory will be adopting Zero Liquid Discharge (ZLD). Waste water will be generate from process and steam condensate, boiler, and cooling tower blow down and water treatment plant, will be treated in ETP called condensate polishing unit and reused in process. Spent lees from distillation, will be recycled back in the process. Spent wash generated during the process of distillation will be treated in multiple effective evaporators to concentrate the spent wash and it will be used in boiler as a fuel.
14. Proposed action to restrict fresh water consumption within 10 KL/KL of alcohol production.
Total fresh water requirement for total 100 KLPD distillery is 790 CMD. Hence total fresh water consumption for distillery is 7.9 KL/KL of alcohol production.
15. Details about capacity of spent wash holding tank, material used, design consideration. No. of peizometers to be proposed around spent wash holding tank.
Spent wash storage lagoon with 5 day capacity is installed. One spent wash lagoon of 30 days storage is available with distillery. Two piezometer is installed around the lagoon.
16. Action plan to control ground water pollution.
There will be no ground water pollution due to proposed project as the factory will operate on Zero
MITCON Consultancy & Engineering Services Ltd. 17
Sr. No.
Awarded ToR’s Compliance
Liquid Discharge technology. To avoid the spent wash leakage, lagoon specification will be maintained as below,
• Preparation of embankment in soil for all four sides 1:2 slopes to be maintained
• Laying of 250 micron thick HDPE sheet • Flat brick lining over HDPE sheet for bottom
and slopes in cement mortar 1:5 with pointing
• Construction of the wall to avoid underscoring of the embankment during heavy rains.
• Lagoon top with bricks on edge in cement mortar 1: 5.
17. Details of solid waste management including management of boiler ash, yeast, etc. Details of incinerated spent wash ash generation and its disposal.
Solid wastes are generated from the Fermentation (Yeast sludge), spent oil from DG sets and Ash generation from Boiler. Spent oil will be mixed with coal and burnt in the Boiler. Fly ash generated from coal/ spent wash Boiler will be collected in the ash silos and sent to brick manufacturing units without creating public nuisance. Spent wash ash is rich in potassium thus it can be used as a manure. The fly ash will be pneumatically conveyed to the silos and vents of silo will be provided to control fugitive emission. The bottom ash will be conveyed through submerged ash conveyor to storage hopper and from there it will be transported in moisten condition to ash disposal site. Yeast sludge will be used as manure or can be burn in the boiler.
18. Details of bio-composting yard (if applicable).
Details of Existing Bio-composting yard are given in Chapter II point no. 2.9.1
19. Action plan to control odor pollution.
Existing bio-methanation unit is operated on complete concrete platform. For proposed expansion whole process is work under closed conditions, close pipeline. Spent wash from evaporation would be in a closed tank and directly send to the incineration in boiler. Fermentation unit will be provided with proper cover to avoid the spread of odor and regular steaming of all fermentation equipment’s; temperature will be kept under control during fermentation to avoid inactivation/killing of yeast; staling of fermented wash would also be avoided.
20. Arrangements for installation of For existing effluent system is already installed with
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continuous online monitoring system (24x7 monitoring device).
continuous online monitoring system. The arrangement of continuous online monitoring system for proposed expansion unit will be done. Online flow meter and camera will be also being arranged.
Specific Terms of Reference for EIA studies for Sugar Industry
1. Complete process flow diagram describing each unit, its processes, and operation production of sugar, along with material and energy inputs and outputs (material and energy balance).
Complete process flow diagram describing each unit, its processes and operation sir production of sugar is given in chapter II, point no 2.7 and fig no. 2.10
2. Details on water balance including quantity of effluent generated, recycled & reused. Efforts to minimize effluent is charge and to maintain quality of receiving water body.
Details water balance is given in Chapter II, Fig 2.6 and Fig 2.7
3. Details of effluent treatment plant, inlet and treated water quality with specific efficiency of each treatment unit in reduction in respect to fall concerned/ regulated environmental parameters.
Flow chart of ETP is given in Chapter X Fig no. 10.1
4. Number of working days of the sugar production unit.
Sugar factory season: 160 day
5. Details steam from the boiler. Details given in Chapter II, Table 2.5
6. Details of proposed source-specific pollution control schemes and equipment’s to meet the national standards.
Electrostatic precipitator for new boiler will be installed for air pollution control. Existing boiler and wet scrubber will be demolished.
7. Collection, storage, handling, and transportation of molasses.
No molasses transportation will be involved. Molasses will be used in current running distillery Molasses storage details are given in chapter II, Table 2.9
8. Collection, storage, and handling of bagasse and press mud.
Details of storage tanks are given in Table 2.9
9. Fly ash management plan for coal based and bagasse and action plan
Bagasse and Spent wash ash to Manure. Coal ash to brick manufacturer.
10. Details on water quality parameter such as Temperature,
Water quality parameter Given in chapter III Table 3.15
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Colour, pH, BOD, COD, Total Kjeldhal, Nitrogen, Phosphates, Oil & Grease, Total Suspended Solids, Total Coli form bacteria etc.
11. Details on existing ambient air quality and expected, stack and fugitive emissions for PM10, PM2.5, SO2*, NOx*, etc., and evaluation of the adequacy of the proposed pollution control devices to meet standards for point sources and to meet AAQ standards. (*-As applicable)
Air quality parameter Given in chapter III, Table 3.10
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CONTENTS
CHAPTER I: INTRODUCTION ............................................................................................. 27
1.1 Purpose of the report ................................................................................................. 27
1.2 Identification of project & project proponent .............................................................. 27
1.3 EIA Consultant ............................................................................................................ 28
1.4 Brief Description of the Project ................................................................................... 29
1.4.1 Nature and size of the project .................................................................................................. 29
1. 5 Project Location ......................................................................................................... 29
1.6 Importance to country region ..................................................................................... 29
1. 7 Objective and Scope of study ..................................................................................... 31
1.7.1 The steps of EIA ......................................................................................................................... 32
CHAPTER II PROJECT DESCRIPTION................................................................................... 35
2.1 Type of Project ........................................................................................................... 35
2.2 Need of the project .................................................................................................... 35
2.3 Project Location ......................................................................................................... 36
2.4 Land Details ............................................................................................................... 41
2.5 Size and Magnitude of the Operation .......................................................................... 41
2.5.1 Technical details of Sugar Factory ............................................................................................ 44
2.5.2 Technical details of Distillery .................................................................................................... 46
2.6 Resource Requirement ............................................................................................... 47
2.6.1 Raw material ............................................................................................................................. 47
2.6.2 Fuel requirement ...................................................................................................................... 48
2.6.3 Manpower requirement ........................................................................................................... 48
2.6.4 Water requirement ................................................................................................................... 48
2.6.5 Utilities details .......................................................................................................................... 53
2.7 Technology and process description ............................................................................ 54
2.7.1 Sugar (White sugar) manufacturing .......................................................................................... 54
2.7.2 Power generation process ........................................................................................................ 57
2.7.3 Distillery Process ....................................................................................................................... 59
2.7.4 Utilities details modernization equipment ............................................................................... 70
2.8 Schematic representation of the feasibility drawing for EIA purpose ............................. 71
2.9 Pollution Sources and its Mitigation measures ............................................................. 71
2.9.1 Composting process details ...................................................................................................... 72
2.10 Project Implementation Schedule .............................................................................. 74
2.11 Project Cost Estimate ................................................................................................ 74
2.12 Conclusion................................................................................................................ 75
CHAPTER III DESCRIPTION OF THE ENVIRONMENT ........................................................... 76
3.1 Environmental Parameters .......................................................................................................... 76
3.2 Study Period ................................................................................................................................. 76
3.3 Frequency of Monitoring ............................................................................................................. 76
3.4 Study area .................................................................................................................................... 78
3.5 Physiography ................................................................................................................................ 82
3.5.1 Geology ..................................................................................................................................... 83
3.5.2 Hydrology .................................................................................................................................. 84
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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3.5.3 Topography ............................................................................................................................... 84
3.6 Land use pattern .......................................................................................................................... 86
3.6.1 Land Cover of the study area .................................................................................................... 86
3.7 Seismology ................................................................................................................................... 90
3.8 TRAFFIC SURVEY ........................................................................................................................... 91
3.9 Climatic Condition & Meteorology .............................................................................................. 91
3.9.1 Methodology ............................................................................................................................. 92
3.9.2 Average Meteorological Condition (Source: IMD) ................................................................... 92
3.9.3 Temperature ............................................................................................................................. 93
3.9.4 Relative Humidity ...................................................................................................................... 93
3.9.5 Precipitation .............................................................................................................................. 93
3.6.6 Wind Speed and Wind Direction ............................................................................................... 94
3.10 AMBIENT AIR QUALITY ............................................................................................................... 94
3.11 Ambient noise monitoring results ............................................................................................. 99
3.12 Water Quality ........................................................................................................................... 102
3.13.1 Surface Water ....................................................................................................................... 103
3.13.2 Ground water sampling location & frequency...................................................................... 106
3.13 Soil Environment ...................................................................................................................... 108
3.14 Ecology Biodiversity ................................................................................................................. 112
3.14.1 Flora ...................................................................................................................................... 112
3.14.2 Faunal Studies ....................................................................................................................... 117
3.14.3 Cropping Pattern ................................................................................................................... 120
3.15 Socio-economic Environment .................................................................................................. 121
3.15.1 Demography of the Taluka .................................................................................................... 123
3.15.2 Health status ......................................................................................................................... 126
3.15.3 Cultural and aesthetic attributes .......................................................................................... 127
3.15.4 Infrastructure resource base ................................................................................................ 127
3.16 Existing industries in the study area ........................................................................................ 129
3.17 Conclusion ................................................................................................................................ 129
CHAPTER IV: ANTICIPATED ENVIRONMENT IMPACT AND MITIGATION MEASURES ......... 130
4.1 Identification of the Impact ....................................................................................................... 130
4.1.1 Phase I .............................................................................................................................. 131
4.1.2 Phase II ............................................................................................................................. 132
4.2 Identification of Impact during construction and commissioning phase .................................. 133
4.2.1 Impacts on Air Quality ............................................................................................................. 134
4.2.2 Impacts on Noise Quality ........................................................................................................ 135
4.2.3 Impacts on water quality ........................................................................................................ 136
4.2.4 Impacts on Land ...................................................................................................................... 136
4.2.5 Impacts on biological environment ........................................................................................ 138
4.2.6 Impacts on Socio-economics ................................................................................................... 138
4.2.7 Occupational health and safety .............................................................................................. 139
4.3 Identification of impact during operation phase ....................................................................... 139
4.3.1 Ambient Air Environment ....................................................................................................... 141
4.4 IMPACT ASSESSMENT MATRIX .................................................................................................. 158
4.3.1 Conclusion of impact matrix assessment ................................................................................ 160
4.3.2 Summary of Impact ................................................................................................................. 161
4.5 CONCLUSION .............................................................................................................................. 163
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER V ANALYSIS OF ALTERNATIVES ........................................................................ 164
5.1 Introduction ............................................................................................................................... 164
5.2 Site alternatives ......................................................................................................................... 164
5.3 Analysis of alternative technology ............................................................................................. 165
5.4 Wastewater treatment options ................................................................................................. 169
5.5 Conclusion .................................................................................................................................. 171
CHAPTER VI ENVIRONMENT MONITORING PROGRAM ................................................... 172
6.1 Importance of Post Environment Monitoring ............................................................................ 172
6.2 Objective of Monitoring Plan ..................................................................................................... 173
6.3 Environment Monitoring Plan .................................................................................................... 173
6.3.1 Environmental Monitoring Plan during Construction Phase .................................................. 173
6.3.2 Post Project Environmental Monitoring Plan ......................................................................... 174
6.4 Monitoring methodologies ........................................................................................................ 177
6.5 Reporting and documentation ................................................................................................... 177
6.6 Laboratory Facility ...................................................................................................................... 178
6.7 Formulation of Environment Management Cell (EMC) ............................................................. 178
6.8 Effective Implementation on Environmental Monitoring Programme ..................................... 179
6.9 Budgetary provision for environment management ................................................................. 179
CHAPTER VII ADDITIONAL STUDIES ................................................................................ 180
7.1 Public consultation ..................................................................................................................... 180
7.2 Risk Assessment ................................................................................................................... 181
7.2.1 Salient Feature of Risk Mitigation ........................................................................................... 182
7.2.2 Identification of Risks .............................................................................................................. 182
7.2.3 Fire and Explosion Index ......................................................................................................... 186
7.2.4 Consequence Analysis ............................................................................................................. 188
7.2.5 Risk Mitigation Measures........................................................................................................ 189
7.2.6 Possibilities, Nature and Effects of Emergency ....................................................................... 189
7.2.7 Methodology of MCA Analysis ................................................................................................ 189
7.2.8 Consequence analysis ............................................................................................................. 190
7.2.9 Factors influencing the use of physical effect models ............................................................ 190
7.7.10 Specific Emergencies Anticipated and Mitigation Measures ................................................ 194
7.2.11 Risk Reduction Measures ...................................................................................................... 195
7.3 Disaster Management Plan .................................................................................................. 197
7.3.1 Capabilities of DMP ................................................................................................................. 197
7.3.2 Declaration of Emergency ....................................................................................................... 198
7.3.3 Control of Emergency ............................................................................................................. 199
7.3.4 Emergency Fire Fighting Equipment ....................................................................................... 200
7.3.5 Evacuation of Workers and Plant Shut Down ......................................................................... 200
7.4 Disaster Control Philosophy ....................................................................................................... 201
7.4.1 On-Site Emergency Management ........................................................................................... 202
7.4.2 Offsite Emergency Plan ........................................................................................................... 206
7.5 Conclusion .................................................................................................................................. 209
CHAPTER VIII PROJECT BENEFITS .................................................................................... 210
8.1 Proponent approach towards the Project ................................................................................. 210
8.2 PROJECT BENEFITS ..................................................................................................................... 210
8.2.1 Improvements in the physical infrastructure ......................................................................... 210
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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8.2.2 Improvements in the social infrastructure ............................................................................. 210
8.2.3 Employment Potential ............................................................................................................ 211
8.2.4 Advantages of sugar, distilleries and cogeneration ................................................................ 212
8.3 Conclusion .................................................................................................................................. 212
CHAPTER IX: ENVIRONMENT COST BENEFIT ANALYSIS ................................................... 213
9.1 Environmental Benefits .............................................................................................................. 213
CHAPTER X ENVIRONMENT MANAGEMENT PLAN .......................................................... 214
10.1 Introduction ............................................................................................................................. 214
10.2 Environmental management during construction phase ........................................................ 215
10.2.1 Site preparation .................................................................................................................... 215
10.2.2 Noise ..................................................................................................................................... 216
10.2.3 Construction equipment and waste ..................................................................................... 216
10.2.4 Site security and Occupational Health .................................................................................. 216
10.3 Environment Management Plan for Operation Phase............................................................. 217
10.3.1 Air Pollution Management .................................................................................................... 217
10.3.2 Noise pollution management ............................................................................................... 218
10.3.3 Water and waste water management .................................................................................. 219
10.3.4 Solid hazardous waste management .................................................................................... 221
10.3.5 Odor Management Plan ........................................................................................................ 222
10.3.6 Greenbelt development ........................................................................................................ 223
10.3.7 Management of traffic .......................................................................................................... 226
10.3.8 Rainwater Harvesting Plan .................................................................................................... 226
10.3.9 Occupational Health and Safety (OHS) ................................................................................. 228
10.3.10 Risk Assessment .................................................................................................................. 229
10.3.11 Socioeconomic Development ............................................................................................. 231
10.4 Environment Management Cell (EMC) .................................................................................... 232
10.4.1 Responsibilities of Environmental Management Cell ........................................................... 234
10.5 Post Clearance Monitoring Protocol ........................................................................................ 235
10.6 Environment Management Plan Implementation schedule .................................................... 235
10.7 Environment Management Cost .............................................................................................. 238
10.9 Conclusion ................................................................................................................................ 239
CHAPTER XI SUMMARY & CONCLUSION ......................................................................... 240
11.1 Scope of the study ................................................................................................................... 240
11.2 Project information in brief ..................................................................................................... 240
11.3 Other raw material requirements for the project ................................................................... 243
11.4 Process Description .................................................................................................................. 244
11.5 Description of the environment ............................................................................................... 245
11.6 Anticipated Environmental Impacts ........................................................................................ 247
11.7 Environmental Monitoring Program ........................................................................................ 248
11.8 Additional Studies .................................................................................................................... 250
11.9 Project Benefits ........................................................................................................................ 250
11.10 Environmental Management Plan ......................................................................................... 250
11.11 CONCLUSION .......................................................................................................................... 252
CHAPTER XII: DISCLOSURE OF CONSULTANT .................................................................. 254
12.1 Background of the organization ............................................................................................... 254
12.2 Environmental Management and Engineering Division (EME) ................................................ 254
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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12.3 NABET Accreditation ................................................................................................................ 255
12.4 Key personnel’s engaged in preparation of EIA report ............................................................ 256
TABLES
Table 1.1 : Chronology of the environmental clearance process ....................................... 31
Table 1.2 : EIA Structure ..................................................................................................... 33
Table 2.1 : Land Bifurcation ................................................................................................ 41
Table 2.2 : Salient features of integrated project .............................................................. 41
Table 2.3 : Design and operational details of sugar factory ............................................... 44
Table 2.4 :Bagasse balance ................................................................................................. 45
Table 2.5 : Steam balance for proposed 220 TPH boiler .................................................... 45
Table 2.6 : Power Balance................................................................................................... 46
Table 2.7 : Design and Operational parameters of distillery .............................................. 46
Table 2.8 : Raw Material details ......................................................................................... 47
Table 2.9 : Storage tank details .......................................................................................... 47
Table 2.10 : Fuel consumption ............................................................................................. 48
Table 2.11 : Water requirement for integrated project ....................................................... 49
Table 2.12 : Effluent generation from sugar and cogeneration unit .................................... 49
Table 2.13 : Effluent generation from distillery Unit ............................................................ 49
Table 2.14 : Boiler details ..................................................................................................... 53
Table 2.15 : Incineration boiler details ................................................................................. 53
Table 2.16 : Turbo alternator data ....................................................................................... 53
Table 2.17 : Cooling Tower ................................................................................................... 54
Table 2.18 : Major pollution sources and its proposed mitigation measures ...................... 71
Table 2.19 : Compost cycle ................................................................................................... 73
Table 2.20 : Total project cost for Sugar, Cogeneration, and Distillery ............................... 74
Table 2.21 Environment Management Cost ......................................................................... 75
Table 3.1: Environmental Parameter & Frequency of Monitoring ........................................... 76
Table 3.2: Environmental setting ............................................................................................. 78
Table 3.3: Land use land cover statistics of the study area ...................................................... 86
Table 3.4: Traffic Scenario- existing project in crushing season ............................................... 91
Table 3.5: Expected Traffic Scenario- due to Proposed Project in crushing season................. 91
Table 3.6: Average of meteorological data ............................................................................... 92
Table 3.7: Average of the site-specific meteorological data (March 18 to May 18) ................ 93
Table 3.8: Methodology for AAQM........................................................................................... 95
Table 3.9: Air sampling locations .............................................................................................. 96
Table 3.10: Ambient Air analysis results ................................................................................... 98
Table 3.11: Noise Level Monitoring Locations ........................................................................ 100
Table 3.12: Results of noise monitoring ................................................................................. 102
Table 3.13: Surface water sampling locations ........................................................................ 103
Table 3.14: Results of surface water sampling ....................................................................... 105
Table 3.15: Ground water sampling locations ........................................................................ 106
Table 3.16: Results of ground water sampling ....................................................................... 107
Table 3.17: Soil sampling locations ......................................................................................... 109
Table 3.18: Results of soil sampling ........................................................................................ 111
Table 3.19: Tree species observed during field visit ............................................................... 115
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 3.20: Faunal species observed during field visit ........................................................... 118
Table 3.21: Ave species observed during field visit ................................................................ 119
Table 3.22: Major Crops of the region .................................................................................... 120
Table 3.19: Demography at a Glance within 10 km Study Area ............................................ 124
Table 3.20: Village’s wise demography at a glance within 10 km Study Area ....................... 126
Table 4.1: Construction and commissioning phase impact matrix......................................... 133
Table 4.2: Operation phase impact matrix for cumulative impact assessment ..................... 140
Table 4.8: Cumulative Pollutant Potential .............................................................................. 141
Table 4.9: Stack details ........................................................................................................... 142
Table 4.10: Proximate analysis of spent wash concentrate ................................................... 143
Table 4.11: Ultimate analysis of spent wash concentrate ...................................................... 143
Table 4.12: Composition of Biogas ......................................................................................... 143
Table 4.13: Cumulative impact of Air modeling results at nearest downwind receptor locations due to proposed boilers (220+40 TPH) ................................................................... 145
Table 4.14: Summary of effluent generation from existing and proposed distillery, sugar and cogeneration unit .................................................................................................................... 153
Table 4.15: Composition of spent wash from continuous manufacturing process................ 153
Table 4.16: Characteristics of Spent Lees ............................................................................... 154
Table 4.17: Characteristic of wastewater from cooling tower and boiler blow down ........... 154
Table 4.18: Inlet and outlet characteristics of Process Condensate treatment unit .............. 154
Table 4.19: Characteristic of wastewater generated from sugar factory .............................. 154
Table 4.2: Impact Matrix of Proposed Project ........................................................................ 158
Table 4.21: Assessment of Impacts due to proposed activity on Environment ..................... 161
Table 6.1: Environmental Monitoring Plan during Construction Phase ................................. 174
Table 6.2: Environmental monitoring schedule ..................................................................... 175
Table 6.3: Methodology of Environmental Monitoring .......................................................... 177
Table 6.4: Environment Monitoring Cell ................................................................................. 178
Table 6.5: Implementation Plan to Mitigate Environmental Impact ...................................... 179
Table 6.6: Environment Management Cost ............................................................................ 179
Table 7.1: Fire & Explosion Index ............................................................................................ 187
Table 7.2: Risk Index .............................................................................................................. 187
Table 7.3: The Physiological effects of threshold Thermal Doses .......................................... 187
Table 7.4: Damage due to Incident Radiation Intensity ......................................................... 188
Table 7.5: Fire & safety facilities ............................................................................................. 195
Table 10.1: Utility emission ..................................................................................................... 218
Table 10.2: Fugitive emissions ................................................................................................ 218
Table 10.3: Quantification of Solid Waste .............................................................................. 222
Table 10.4: Planned Schedule for greenbelt development .................................................... 225
Table 10.5: List of Plant Species for Plantations ..................................................................... 225
Table 10.6: Incremental Run off due to project development ............................................... 227
Table 10.7: Hazards & Mitigation Measures Associated with RS/ENA ................................... 229
Table 10.8: CER Activity Action Plan ....................................................................................... 232
Table 10.9: Environment Monitoring Cell and its responsibilities .......................................... 233
Table 10.10: EMP implementation phases during Construction ............................................ 236
Table 10.10: EMP implementation phases during Operation ................................................ 237
Table 10.11: Environment Management Cost ........................................................................ 239
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 11.1: Project information .............................................................................................. 240
Table 11.2: Raw material details ............................................................................................. 243
Table 11.3: Environmental Parameter & Frequency of Monitoring ....................................... 245
Table 11.4: Observation of Environmental monitoring .......................................................... 246
Table 11.5: Anticipated Impacts ............................................................................................. 247
Table 11.6: Environmental monitoring schedule ................................................................... 248
Table 11.7: EMP for various Environmental Attributes .......................................................... 250
Table 12.1: Experts engaged in the EIA report ...................................................................... 256
FIGURES
Figure 2.1: General Location Map ......................................................................................... 36
Figure 2.2: Google Image ...................................................................................................... 37
Figure 2.3: Plant Layout ........................................................................................................ 38
Figure 2.4: Existing factory photographs .............................................................................. 39
Figure 2.5: Photographs of existing environmental infrastructure of factory ..................... 40
Figure 2.6: Estimated water balance for existing 5000 TCD ................................................. 50
Figure 2.7: Estimated water balance for existing 7500 TCD ................................................. 51
Figure 2.8: Water balance for existing 30 KLPD Distillery..................................................... 52
Figure 2.9: Water balance for existing 100 KLPD Distillery .................................................. 52
Figure 2.10: Sugar manufacturing process ............................................................................. 56
Figure 2.11: Cogeneration process schematic ....................................................................... 59
Figure 2.12: Distillery process ................................................................................................ 63
Figure 2.13: Existing Compost yard ........................................................................................ 73
Figure 3.1: Toposheet of the 10 km study area ........................................................................ 79
Figure 3.2: Google Image of the 10 km study area ................................................................... 80
Figure 3.3: Satellite Image of the study area ............................................................................ 81
Figure 3.4: Hydrogeology the district ....................................................................................... 82
Figure 3.5: (a) Pre monsoon water level in the district (b) Post monsoon water level ............ 84
Figure 3.6: Digital elevation of 10 km study area ..................................................................... 85
Figure 3.7: Land cover of 10 km study area .............................................................................. 89
Figure 3.8: Seismic zone map .................................................................................................... 90
Figure 3.9: Wind rose diagram for March to May 2018 ........................................................... 94
Figure 3.10: Air quality sampling locations ............................................................................... 97
Figure 3.11: Noise sampling Locations ................................................................................... 101
Figure 3.12: Water sampling location ..................................................................................... 104
Figure 3.13: Soil sampling location ......................................................................................... 110
Figure 3.14: Ecological sampling location ............................................................................... 114
Figure 5.1: Alternative technologies for spent wash treatment ............................................ 169
Figure 7.1: Emergency provision in the factory premises ...................................................... 197
Figure 7.2: Typical organogram for onsite emergency management plan ............................ 206
Figure 7.3: Typical Organogram for off-site emergency management plan .......................... 208
Figure 10.1 Existing ETP Flow chart ........................................................................................ 220
Figure 10.1: Environment Monitoring Cell ............................................................................. 233
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER I: INTRODUCTION
1.1 Purpose of the report
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd.
(PKDNNHKASSKL) proposes expansion of existing sugar crushing capacity from 5000 TCD to
7500 TCD, ethanol plant from 30 to 100 KLPD, along with incineration boiler / TG &
auxiliaries for achieving Zero Liquid Discharge (ZLD) along with proposed cogeneration
power plant of 44 MW.
Existing distillery is operated on molasses. In proposed distillery expansion additional 70
KLPD distillery/ethanol plant will be alternatively operated on sugarcane juice or molasses.
As per availability of feedstock operation days of proposed additional expansion of 70 KLPD
will be 300 days for only molasses or molasses + sugarcane juice or only sugarcane juice.
Prior Environmental Clearance is mandated by Ministry of Environment and Forests, as vide
EIA Notification SO 1533, dated September 14, 2006 and its amendments. This proposed
integrated project falls under category ‘A’. For sugar expansion project Category “B” Activity
- 5(j), Cogeneration Category “B”, Activity-1(d) >15 MW plants based on biomass fuel
Category “B”, Activity-1(d) and Distillery expansion Category “A”, Activity-5(g) All molasses
based on distillery.
1.2 Identification of project & project proponent
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd.
(PKDNNHKASSKL) is operating an existing sugar factory with 5000 TCD capacity (operating at
average cane crushing of 4000 TCD), along with 30 KLPD ethanol plant. PKDNNHKASSKL is
guiding start & moving spirit of factory.
The factory has earned name & fame in India for achieving highest recovery of sugar & has
won first prize continuously for highest recovery at state and national level. For avoiding
This chapter is intended to give Identification of project & project proponent, brief description of
nature, size and location of the project, importance of project to the region and country including
scope and overview of EIA report.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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losses of recovery & to crush cane within a shortest period after harvesting cane. The
karkhana has implemented new Hutatma Pattern for harvesting & transport. It also helps in
producing best quality sugar which automatically fetch best & highest price in market. The
factory has completed tar roads in every village of operational area. The command area is
rich in sugar cane cultivation and has adequate irrigation facilities for assured annual
sugarcane availability
Considering the sugar cane availability in the command area PKDNNHKASSKL now proposes
to expand the crushing capacity from 5000 TCD to 7500 TCD, ethanol plant from 30 to 100
KLPD, along with incineration boiler / TG & auxiliaries for achieving Zero Liquid Discharge
(ZLD) along with proposed cogeneration power plant of 44 MW. Environmental clearance of
the existing Sugar 3500 TCD to 5000 TCD and 24 MW Cogeneration is granted on file no. J-
11011/197/2013-IA-II (I) dated 22.02.2017 and for Distillery 30 KLPD file no. J-
11011/661/2007-IA-II (I) distillery dated 17.09.2007(Initial dated) and 12.10.2015 (Extension
letter) Environmental clearances letter are attached in Annexures.
1.3 EIA Consultant
MITCON Consultancy and Engineering Services Ltd., (MITCON) is a rapidly growing, an ISO
9001-2015 certified Consultancy Company, promoted by ICICI, IDBI, IFCI, and State
Corporations of Maharashtra and Public Commercial Banks. It was founded in 1982; with
Head Office at Pune and with supporting offices spread over entire country including
Mumbai, Delhi, Bangalore, Hyderabad, Chennai, Chandigarh, and Ahmadabad etc. With
experience, expertise and track record developed over last almost three decades, MITCON
provides diverse range of macro and micro consultancy services in the areas of Environment
Management and Engineering (EME), Energy Efficiency, Biomass and Co-gen power,
Agricultural Business and Bio-technology, Infrastructure, Market Research, Banking Finance
and Securitisation, Micro Enterprise Development, IT Training and Education. EME division of
MITCON serves to various sectors like – GIS & RS, solid waste, infrastructure, power, sugar,
engineering, chemical, real estate etc.
MITCON Consultancy and Engineering Services Ltd. is accredited from National Accreditation
Board for Education and Training (NABET), Quality Council of India for the EIA consultancy
services in 16 sectors.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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1.4 Brief Description of the Project
1.4.1 Nature and size of the project
As per EIA Notification dated 14th September, 2006 and its amendment thereafter,
proposed integrated project comes under Cat A. For sugar expansion project Category “B”
Activity - 5(j), Cogeneration Category “B”, Activity-1(d) >15 MW plants based on biomass fuel
Category “B”, Activity-1(d) and Distillery expansion Category “A”, Activity-5(g) All molasses
based on distillery. PKDNNHKASSKL proposes to expand the crushing capacity from 5000 TCD
to 7500 TCD, ethanol plant from 30 to 100 KLPD, along with incineration boiler / TG &
auxiliaries for achieving Zero Liquid Discharge (ZLD) along with proposed cogeneration
power plant of 44 MW.
1.5 Project Location
The project site is located at village Nagnathannanagar, Taluka Walve, Dist. Sangli,
Maharashtra. Site is geographically located at Latitude: 17° 1'5.22"N, Longitude
74°22'13.96"E and 564 m above MSL. The land requirement for proposed industry unit is
already in possession. Proposed expansion will be within existing factory premises. There
are no Tropical Forest, Biosphere Reserve, National Park, Wild Life Sanctuary and Coral
Formation Reserves within 10 km Influence Zone. Krishna River is flowing at a distance of 2.2
km.
1.6 Importance to country region
India is well known as the original home of sugar and sugarcane. The government of India in
1950-51 made serious industrial development plan and has set many targets for production
and consumption of sugar. India is regarded second after the textile Industry in India as per
the agro-processing Industry in the country. India is the largest sugar consumption and
second largest producer of sugar in the world according to the USDA foreign Agricultural
services. Nearly 550 million sugarcane farmers and large number of agricultural labors are
involved in sugarcane cultivation and ancillary activities contributing to 7.5% of the rural
population. Indian Sugar Industry generates power to its own requirement and even gets
surplus power to the grid based on byproduct bagasse. There is even production of ethanol,
an ecology friendly and renewable energy for blending with petrol.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
30 MITCON Consultancy & Engineering Services Ltd.
The policy of Central Government is to increase percentage of ethanol blending with petrol
from the present 10% to 20% by the year 2017. Therefore, it is important to all distilleries in
the country to increase its ethanol production to meet the demand & supply.
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd.
(PKDNNHKASSKL) command area is rich in sugar cane cultivation and has adequate irrigation
facilities for assured annual sugarcane availability. There is reasily available infrastructure,
fuel & water for renewable energy power generation project. It provides an initiative to
sugar mill to concentrate more on conservation of energy & reduction of operating cost,
thereby improving their profitability of operation. Project will saves the expenditure on safe
storage and disposal of bagasse. It will provide benefits of quick return on biomass power
capital investment and generation of additional revenue. The economic benefits available to
the sugar factories from sale of exportable surplus and improvement in the operations.
Entire integrated project is proposed to be set up based on the stand-alone commercial
viability of each component of the project.
Applicable Environmental Acts & Rules
As per the notification, proposed project falls under Activity 5 (g) cat. A (All molasses based
distilleries). The following are the some other acts and rules related to environment which
will be applicable for the proposed project
1. The Environmental (Protection) Act, 1986
2. The Environmental (Protection) Rule, 1986
3. Water (Prevention and Control of Pollution) Act, 1974 and subsequent amendment
4. Water (Prevention and Control of Pollution) Cess Act, 1977 and amendment if any
5. Air (Prevention and Control of Pollution) Act, 1981 and amendment thereafter
6. The Hazardous and Other Waste (management & Tran’s boundary movement) Rules,
2016
7. Explosive Act 1884 & the Explosive Rules, 2008
8. E-Waste (Management) Rules, 2016
9. Public Liability Insurance Act 1991
10. The Factories Act 1948
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Chronology of the project
The chronology of the activities during initial stages of the environmental clearance work for
the proposed project is given in Table 1.1.
Table 1.1 : Chronology of the environmental clearance process
Sr. No. Particulars Date
1. TOR Application 13.01.2018 2. Standard ToR granted 11.03.2018 3. Baseline Monitoring 1.03.2018 to 31.05.2018 4. Public consultation 12.10.2018
1.7 Objective and Scope of study
The baseline studies required for EIA report has been conducted as per the standards ToR
granted by letter no. No.IA-J-11011/25/2018-IA-II (I) dated 11th March 2018. Detail baseline
study was undertaken during the month of 1st March to 31st May 2018.
The objective of the study is to carry out Environmental Impact Assessment (EIA) for the
proposed project, to meet the environmental compliances laid down by the Ministry of
Environment and Forests (MoEFCC), Government of India.
The scope of study would be as per the EIA guidelines outlined by the MoEFCC, it will include
detailed characterization of existing status of environment in an area of 10 km radial
distance from the boundary of the project site for various environmental components viz.,
air, noise, water, soil, land, biological and socio-economic components including parameters
of human interest as per the model TOR and EIA Guidance manual.
The purpose of EIA study is to identify and evaluate the potential impacts of the proposed
project. Environment Impact Assessment Study has been carried out considering the 10 km
surroundings of the proposed project. This study will identify, evaluate and report the likely
impacts on the environment and prepare an Environmental Management Plan covering the
mitigation measures and Environmental Monitoring Program. The objective of this EIA study
is also to collect the baseline data within the impact zone so as to identify the associated
impacts and propose suitable mitigation measures due to the construction and operation of
the proposed project.
The objectives of the EIA study can be summarized as follows:
To identify and describe the elements of the community and environment likely to be
affected by the proposed project,
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
32 MITCON Consultancy & Engineering Services Ltd.
To establish the baseline environmental and social scenario of the Project
surroundings,
To identify, predict and evaluate environmental and social impacts expected to arise
during the construction and operation phase of the Project in relation to the
sensitive receptors,
To develop mitigation measures so as to minimize pollution, environmental
disturbance and nuisance during construction and operation of the proposed
project,
To design and specify the monitoring and auditing requirements necessary to ensure
the implementation and the effectiveness of the mitigation measures adopted.
1.7.1 The steps of EIA
Collection of baseline data on water, air, noise, biological & socio-economic status,
existing roads and railway lines, water bodies and ecological sensitive areas in the
project region.
Identification of potential impacts on various environmental components due to
activities envisaged during preconstruction, construction, and operational phases of
the proposed developments.
Prediction and evaluation of significant impacts on the major environmental
components.
Preparation of environmental impact assessment statement based on identification,
prediction, and evaluation of impacts.
De-lineation of Environmental Management Plan (EMP) outlining preventive and
control strategies for minimizing adverse environmental impacts.
With above view to assess the environmental impacts arising due to proposed project, the
project proponent appointed MITCON Consultancy & Engineering Services Ltd, Pune to
undertake Environmental Impact Assessment and prepare a detailed environmental
management plan to mitigate the adverse impacts. The baseline data collected in pre
monsoon season for air, noise, water, land, biological and socio-economic environment and
presented in this report.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
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Draft EIA report has been prepared in accordance with the Standard TOR issued and as per
the generic structure of the EIA mentioned in EIA notification dated 14th September 2006
and its subsequent amendments.
The structure of EIA is given in,
Table 1.2 : EIA Structure
Chapter No. Chapters Name
I Introduction II Project Description III Description of the Environment IV Anticipated Environmental Impact & Mitigation Measures V Analysis of Alternatives (Technology & Site) VI Environmental Monitoring Program VII Additional Studies VIII Project Benefits IX Environmental Cost – Benefit Analysis X Environmental Management Plan (EMP) XI Summary & Conclusion XII Disclosure of Consultant engaged
Detailed scope of studies is given below.
Executive summary: Brief of summary of EIA
Chapter I: Introduction
This chapter furnishes the purpose of the report, brief information of the project and project
proponent, nature, size and location of project, objectives of the project, estimated project
cost, scope, and organization of the study. The key environmental legislation and the
standards relevant to the project
Chapter II: Project Description
Project description chapter deals with the need of the project, location, environmental
setting of the project, details of project, other technical and design details and sources of
pollution from the proposed activity and measures proposed to control pollution.
Chapter III: Description of the Environment
This chapter illustrates the description of existing environmental status of the study area
with reference to the prominent environmental attributes. Primary data collection& findings
of field studies will be undertaken to establish the environmental baseline conditions.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
34 MITCON Consultancy & Engineering Services Ltd.
Chapter IV: Anticipated Environmental Impacts & Mitigation Measures
This chapter deals with the prediction and evaluation of the overall impacts of the proposed
project activities which need mitigation measures. The impacts resulting from the various
activities during construction and operation phase of the proposed project. The
environmental impact assessment of the proposed project is during various phases of
project advancement, such as design, location of project, construction, & regular operations.
Chapter V: Analysis of Alternatives
Chapter provides the information on various alternatives for the site and technology.
Chapter VI: Environmental Monitoring Program
Present chapter delivers environment monitoring program, its frequency, parameters, and
methodology for air, water, noise, and solid hazardous waste/ soil environment.
Chapter VII: Additional Studies
Additional studies like review of social impact and public consultation were undertaken.
Major portion is dedicated to the study of hazard identification and risk assessment.
Chapter VIII: Project Benefits
Project benefit chapter furnishes the benefits of the project towards the society.
Chapter IX: Environment Cost Benefit Analysis
This chapter provides information about benefits of the proposed project to the
environment.
Chapter X: Environment Management Plan
This chapter provides recommendations/ Environment Management Plan (EMP) including
mitigation measures for minimizing the negative environmental impacts of the project.
Chapter XI: Summary and conclusion
This chapter executes summary of whole EIA report which includes project description in
brief, environmental setting in 10 km radius, impact identification and mitigation measures,
and environmental management plan.
Chapter XII: Disclosure of consultants engaged
This chapter provides brief introduction of the consultancy organization involved in EIA
report and information of various experts involved in preparation of the present EIA/EMP
report is given.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
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CHAPTER II PROJECT DESCRIPTION
This chapter provides complete description of the project, its need, location,
size/magnitude, technology & process, operating conditions and implementation schedule.
Moreover, it analyses environmental pollution load due to proposed project.
2.1 Type of Project
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd.
(PKDNNHKASSKL) is operating an existing sugar factory with 5000 TCD capacity (operating at
average cane crushing of 4000 TCD), along with 30 KLPD ethanol plant. PKDNNHKASSKL now
proposes to expand the crushing capacity from 5000 TCD to 7500 TCD, ethanol plant from 30
to 100 KLPD, along with incineration boiler/TG & auxiliaries for achieving Zero Liquid
Discharge (ZLD) along with proposed cogeneration power plant of 44 MW. Environmental
clearance of the existing Sugar 3500 TCD to 5000 TCD and 24 MW Cogeneration is granted
on file no. J-11011/197/2013-IA-II (I) dated 22.02.2017 and for Distillery 30 KLPD file no. J-
11011/661/2007-IA-II (I) distillery dated 17.09.2007(Initial dated) and 12.10.2015 (Extension
letter) Environmental clearances letter are attached in Annexures.
Existing distillery is operated on molasses. In proposed distillery expansion additional 70
KLPD distillery/ethanol plant will be alternatively operated on sugarcane juice or molasses.
As per availability of feedstock operation days of proposed additional expansion of 70 KLPD
will be 300 days for only molasses or molasses + sugarcane juice or only sugarcane juice.
As per EIA Notification dated 14th September, 2006 and its amendment thereafter, proposed
integrated project comes under Cat A. For sugar expansion project Category “B” Activity -
5(j), Cogeneration Category “B”, Activity-1(d) >15 MW plants based on biomass fuel Category “B”,
Activity-1(d) and Distillery expansion Category “A”, Activity-5(g) All molasses based on distillery. 0
TCD cane crushing capacity)
2.2 Need of the project
The promoters and farmers in the command area, having experience in sugar industry and
sugarcane cultivation, were able to foresee the cane potential in the command area &
opportunity to utilize surplus cane available. The current policies in Maharashtra and in India
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
36 MITCON Consultancy & Engineering Services Ltd.
are conducive and backed by favorable regulatory framework for generation of eco-friendly
power & ethanol, as well as regarding support for private investment in such integrated
projects.
2.3 Project Location
The project site is located at Sr. No. 149/1B+1B+1C+1D, 166, 169/9, 177/6A, 870/1, 177/6B,
182,442/2A, 442/2A/2, 452/1/A, 452/2/A, 452/3/A, 453/2, 454/1, 456, 457/1, 457/2A+2B,
457/3, 458/1 to 458/3, 459, 460, 461/1/2/A/1, 461/2/B/1, 481/1, 481/2, 577/1, 489/1A/1,
489/1A/2, 489/1B, 841/2B/2/1, 1009/1 to 1009/394, 1012/1 to 1012/5B, Walwe village
Nagnathannanagar, Taluka Walve, Dist. Sangli, Maharashtra. Site is geographically located at
Latitude: 17° 1'5.22"N, Longitude 74°22'13.96"E and 564 m above MSL.
The land requirement for proposed industry unit is already in possession. Proposed
expansion will be within existing factory premises. Project site is connected to Sangli-Walwa
Road adjacent to the factory, Walwa-Tasgaon Road 0.8 km in NE and NH4 (Mumbai - Pune -
Kolhapur – Goa) is 12 m in SW. Nearest town Islampur is 12 km away and Sangli 27 km.
There are no Tropical Forest, Biosphere Reserve, National Park, Wild Life Sanctuary, and
Coral Formation Reserves within 10 km Influence Zone. Krishna River is flowing at a distance
of 2.2 km in NE.
Figure 2.1: General Location Map
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
MITCON Consultancy & Engineering Services Ltd. 37
Figure 2.2: Google Image
A 17° 1'19.97"N, 74°22'11.87"E
B 17° 1'18.77"N, 74°22'18.12"E
C 17° 1'12.13"N, 74°22'17.91"E
D 17° 1'13.09"N, 74°22'23.48"E
E 17° 1'6.39"N, 74°22'24.07"E
F 17° 1'6.15"N, 74°22'20.95"E
G 17° 0'58.80"N, 74°22'21.09"E
H 17° 0'58.59"N, 74°22'18.13"E
I 17° 0'56.28"N, 74°22'18.26"E
J 17° 0'56.40"N, 74°22'15.21"E
K 17° 0'58.21"N, 74°22'15.13"E
L 17° 0'58.42"N, 74°22'7.06"E
M 17° 1'13.74"N, 74°22'8.84"E
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
38 MITCON Consultancy & Engineering Services Ltd.
Figure 2.3: Plant Layout
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
MITCON Consultancy & Engineering Services Ltd. 39
Figure 2.4: Existing factory photographs
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
40 MITCON Consultancy & Engineering Services Ltd.
Figure 2.5: Photographs of existing environmental infrastructure of factory
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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MITCON Consultancy & Engineering Services Ltd. 41
2.4 Land Details
The total area available with the factory is 65.0 acres out of that 21 aces is existing green belt
development. Detailed area breakup is given below:
Table 2.1 : Land Bifurcation
Sr. No. Particulates Area in sq.m. Area (acres )
1. Total area available 263575 65.00
2. Main Sugar factory area 9,328 2.30
3. Storage of Bagasse 9,360 2.31
4. Sugar Godown 9,850 2.43
5. Parking area 23,000 5.67
6. Residential Colony 8,760 2.16
7. ETP 5,475 1.35
8. Internal roads 11000 2.71
9. Existing Distillery area 12,000 2.96
10. Proposed Distillery area 12140 2.99
11. Proposed area for sugar expansion 35000 8.63
12. Proposed Cogeneration area 27000 6.67
13. Vacant land 11162 2.75
14. Existing Green belt 84000 20.71
15. Proposed Green belt 5500 1.36
Total 263575 65.00
2.5 Size and Magnitude of the Operation
The brief information of proposed expansion of integrated project details of sugar, Distillery
and cogeneration are given in Table 2.2.
Table 2.2 : Salient features of integrated project
# Particulate Description
1. Project Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (24 to 44 MW) Project
2. Available land Total plot area : 64 acres Green belt area: 20.7 acres Proposed Greenbelt: 1.36
3. Product Sugar Crushing capacity existing: 5000 TCD, Proposed: 7500 TCD Sugar production existing : 19500 MTM Proposed: 29250 MTM Cogeneration: Existing power generation 4.5 MW, Proposed 44 MW (Existing TG will be demolished) Distillery: ENA/RS/AA/Ethanol of 100 KLPD (One at a time)
4. By products Existing 500 TCD Proposed (7500 TCD)
Sugar (TPD) (13% 650 975
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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42 MITCON Consultancy & Engineering Services Ltd.
on cane)
Bagasse (TPD) 1400 2100
Press mud (TPD) 200 300
Molasses( TPD) 48000 72000
5. Operation days Sugar factory season: 160 day Cogeneration : 193 (Seasonal operational days 160 and off season operational days 33) Distillery: Total 300 days molasses Operation days of proposed additional expansion of 70 KLPD will be 300 days. Based on the availability of feedstock it will be operated for only molasses or molasses + sugarcane juice or only sugarcane juice.
6. Sugarcane required
Existing: 5000 TCD Proposed :7500 TCD
7. Molasses requirement
Existing required for 36000 T for 30 KLPD Proposed required for 120000 TPA for 100 KLPD (Molasses available with Factory is 54000 TPA remaining 66000 TPA molasses will be procured from the nearby factory). Molasses supply assurance letter is available with factory
8. Sugarcane juice 1500 MTD
9. Water requirement
Sugar and cogeneration
Existing sugar 360 CMD
Proposed 150 CMD Distillery
Existing 200 CMD Proposed 590 CMD
10. Source of water Water permission is available from Executive Engineer, Sangli Irrigation department.
11. Boiler Exiting sugar boiler: 50 TPHX1 and 28 TPHX 2 (Existing boiler shall be demolished) Proposed Sugar Boiler: 220 TPH (New incineration boiler for distillery 40 TPH
12. TG Exiting TG : 4.5 MW (It will be demolished)
Proposed TG: 44 MW, Proposed distillery incineration boiler 4 MW TG
13. DG 1 No. D.G. Set Of 1000 KVA Exist. & 2 Nos. Set Of 1000 KVA Prop.
14. Electricity requirement
Particulates Existing Proposed
Electricity generation Electricity consumption Electricity Export
4.5 MW 4.5 MW 00 MW
44 MW 9.3 MW 34.7 MW
15. Fuel- Bagasse
Particulates Existing Proposed
Bagasse production (27.5% on cane TPD) 1375 2062
Required for boiler 1150 1684
Bagasse save 56.25 84.38
16. Fuel Biogas 14000 CMD 586 m3/hr
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
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17. Fuel Coal For incineration boiler 20% of total fuel 384 MT / DAY
18. Steam Existing steam generation 100 TPH Steam Generation from proposed boiler220 TPH boiler is 200 TPH
19. Total effluent generation
Existing from sugar unit: 459 CMD Proposed from Sugar unit: 799.46 CMD Existing Distillery effluent generation: spent wash 240 CMD, spent lees 53 CMD, process condensate 186 CMD Proposed 100 KLPD distillery effluent: Spent wash 600 CMD, spent lees 253 CMD , Process condensate 430 CMD
20. Effluent treatment system
Existing 500 CMD ETP from sugar unit For proposed expansion ETP capacity will be upgraded to 800 CMD. Treated water is recycled/reused in green belt development and ferti-irrigation. Total Spent wash generation will be 600 CMD. For existing unit spent wash is treated trough Biogas unit followed by Multi effect evaporator (MEE) followed by Bio composting. For Proposed 70 KLPD expansion spent wash will be treated through generated spent wash will be concentrated in MEE and then burn in proposed 40 TPH spent wash fired boiler.
21. Ash Sugar
Existing bagasse ash generation: 25 TPD
Proposed bagasse ash generation: 42 TPD Distillery
Coal ash from proposed distillery: 134.4 TPD
Spent wash ash from proposed distillery: 22-23 TPD Bagasse and spent wash ash collected from the furnace bottom hoppers and high potash content in the bagasse ash will be used as manure. Coal ash will be sold to the brick manufacturer.
22. ETP sludge The sludge from primary clarifies, settling tank and secondary clarifier will be sent to sludge drying beds. Sludge will be dried in natural heat of sunlight. The dried cakes will be scrapped off periodically and can be utilized for as manure.
23. Air pollution control measures
Proposed: Electrostatic precipitator Existing: Wet scrubber (It will be demolished and new ESP will be installed) Proposed Stack height: 72 m Existing stack height: 30 m and 40 m will be demolished and new stack of 72 m will be installed.
24. Man-power Existing manpower sugar 80 skilled and unskilled 400 For proposed expansion & Cogeneration Skilled 40 and unskilled 100 Existing Distillery skilled 10 & Unskilled 25 Proposed expansion of distillery skilled 15 & unskilled 75
25. Total project cost Sugar expansion: Rs. 20722 Lakhs Cogeneration: Rs.22101 Lakhs Project cost of the distillery: Rs. 14615 Lakhs
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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44 MITCON Consultancy & Engineering Services Ltd.
2.5.1 Technical details of Sugar Factory
Table 2.3 : Design and operational details of sugar factory
Sr. No. Design Parameters Specification
Existing Proposed
1. Crushing capacity TPD 5000 7500
2. Number of crushing days/year (expected) 160 160
3. Cane crushing per year (expected), T/year 800000 1200000
4. Boiler used One No. One No.
5. Steam generation from boiler, TPH 100 200
6. Steam to fuel ratio, kg/kg, Steam/Bagasse or Steam/Agro waste bio-mass
2.1 2.85
7. Steam (utilization) to turbine, TPH 90 200
8. Power generation capacity (EC for 24 MW however installation done 4.5 MW)
4.5 44
9. Power consumption, MW 4 40
10. For sugar plant 3.5 7.5
11. Power plant auxiliaries, lighting 0.5 3.6
12. Power export 0 28.90
13. Back pressure steam to HP heaters & sugar plant 11 & 85 18/120
14. Condensing steam TPH 14 22
Total: Rs. 57438 Lakhs
26. EMP capital cost Total 10.5 cr.
Environment Sensitivity
27. Nearest Village Walwe at 500 m
28. Nearest Town / City Islampur is 12 km away and Sangli 27 km.
29. Nearest National Highway
NH4 (Mumbai - Pune - Kolhapur – Goa) is 12 m in SW.
30. Nearest Railway station
Kirloskarvadi railway station 8.82 km in NE, Sangli Railway station 26.67 km in SE
31. Nearest Airport Kolhapur airport (IXU) 42 km Pune international airport 178 km
32. National Parks, Reserved Forests (RF) / Protected Forests (PF), Wildlife Sanctuaries, Biosphere Reserves, Tiger/ Elephant Reserves, Wildlife Corridors etc. within 10 km radius
No any in within 10 km of project area Chandoli National Park 55 km Radhanagari wildlife sanctuary 79 km
33. River / Water Body (within 10 km radius)
Krishna river : 2.2 km in West
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
MITCON Consultancy & Engineering Services Ltd. 45
Sr. No. Design Parameters Specification
Existing Proposed
15. Bagasse (at 27.5 % in cane) generation TPD 1375 2062.5
16. Final disposal of treated effluent For irrigation & Agri. purpose
17. Ash generation from existing plant TPD 25 42
18. Final disposal of Ash To Brick manufacture
Table 2.4 :Bagasse balance
Sr. No. Particulates Existing Proposed Total
1. Bagasse Generation (TPD) (at 27.5 % in cane) 1375 2062.5
2. Bagasse available for the steam generation 26.5 % cane 1325 1987.5
3. Thermal efficiency of the boiler 62 % 70 %
4. Temperature of boiler feed water after de-aerator - 110
5. Temperature of boiler feed water after HP-II heater - 210
6. Steam to bagasse ratio 2.10 2.85
7. Total bagasse required as fuel for boiler 1150 1684.32
8. Saved bagasse 175 303.18
9. Saved bagasse during season 28000 48509
10. The proposed new boiler of 220 TPH plant is based on back pressure and TEC (44 TPH) type route.
Table 2.5 : Steam balance for proposed 220 TPH boiler
Sr. No. Particulates Values
1. Boiler 220 TPH
2. Steam generation (TPH) 200
3. Steam consumption(TPH) 200
4. HP steam @ for SJAE & GSC 1
5. HP heater I 20
6. MP steam @ 8 kg/cm2
7. HP heater II 20
8. LP steam @ 2.5 kg/cm2
9. Sugar process 129.55
10. De-aerator 10
11. D/s water addition 2.79
12. Condensing steam 22.25
13. Total 200
14. Incineration boiler capacity 40 TPH Steam consumption to existing MEE 3.5 TPH Steam consumption to proposed MEE 11.5 Steam consumption to existing distillery 4.0 Steam consumption to proposed distillery 10.0
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
46 MITCON Consultancy & Engineering Services Ltd.
Table 2.6 : Power Balance
Power Balance
T.G set 4.5 MW (3.0 +1.5) 44 MW
Power Generation from TG set 4.0 MW 40 MW
Captive Power Consumption (Season : Sugar+ Cogeneration)
Existing Proposed
For sugar plant 4.0 7.5
Power plant auxiliaries, lighting 0.5 3.6
Power export 0 28.90
Captive Power Consumption (Offseason : Cogeneration)
Power Generation 44.00
For sugar plant 00.10
Power plant auxiliaries, lighting 04.28
Power export 39.72
2.5.2 Technical details of Distillery
Table 2.7 : Design and Operational parameters of distillery
Sr. No. Description Existing Proposed
1. Sugar factory crushing capacity (TCD) 5000 7500
2. Cane crushing (TCH) 227.27 340.91
3. No. of hrs. per day 22 22
4. No. of season days, sugar factory 160 160
5. Cane crushing (MT) @ 160 day 800000 126000
6. Molasses % cane 4 4.50
7. Molasses available after diverting B-Heavy molasses @ 160 day (MT)
40000 60000
8. Molasses available per day @160 days (MTD) 200 300
9. Distillery capacity (KLPD) 30 100
10. No. of days of operation of distillery 270 300
11. Molasses required for distillery MT per annum 36000 120000
12. Molasses required for distillery MT per day 120 400
13. Own molasses available 32000 54000
14. Procured molasses NIL 66000
15. Ethanol recovery for one liters / MT of final molasses 230 250
16. Fermentable Sugar 42 44
17. Sugarcane Juice _ 1500 MTD
18. Spent-wash generation per CMD of RS (designed capacity) 300 1000
19. Concentered spent-wash generation per 1000 L of RS 1.8 1.75
20. Total conc. spent wash generation (CMD) 54 174.55
21. Total spent wash generation per annum (CM) 14580 52365
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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MITCON Consultancy & Engineering Services Ltd. 47
2.6 Resource Requirement
2.6.1 Raw material
Raw material required for existing and proposed integrated expansion is given below
Table 2.8 : Raw Material details
Sr. No.
Raw material Existing Proposed Storage Source Mode of Transport
1. Sugarcane (TPD) 5000 7500 Cane yard Nearby Market Trucks, tractor
2. Sugarcane juice - 1500 MTD - - -
3. Molasses (TPD) 120 400 Steel Tank Own Factory Thr. pipeline
4. Coal(TPH) Nil 16.00 Nearby Market Truck
5. Lime (TPD) 8.00 12.00 Godown -do- -do-
6. Sulphur(TPD) 2.5 3.75 Godown -do- -do-
7. Hydrochloric acid kg/day
15.00 30.00 Carboys -do- -do-
8. Sodium chloride - - - -do- -do-
9. Phosphoric acid kg/d
50 80 carboys -do- -do-
10. Lubricant Oil L/d 150 225 drums -do- -do-
Table 2.9 : Storage tank details
Sr.No. Material Storage capacity
1. Water 4000 CMD
2. Molasses Storage tanks (3 No.) of – 4500 X 2 and 4975 X1 Total 13975 MT MT Capacities Proposed one MS tank of 10000 MTX 1
3. Bagasse Existing 5 acres For proposed expansion 10 acres
4. Press mud Press mud on Bio-composting yard 5.5 acres
5. Proposed Coal Shed of area 20 X 25 m
6. Ash 50 T silo (2 days) Exiting ash pits Ash handling system shall be provided
7. Spent wash storage
Existing one storage lagoon 5 day storage and one for 30 days storage lagoon
8. Alcohol Existing 4200000 Lit Proposed for 70 TPD 4800000 Lit
Ethanol 600000X2 Ethanol 600000 X3
RS 6,00,000 X 3 RS 6,00,000 X 3
ENA 6,00,000 X 2 ENA 6,00,000 X 2
9. Other raw material storage
20 x 25 m. Shade proposed area
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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48 MITCON Consultancy & Engineering Services Ltd.
2.6.2 Fuel requirement
Bagasse and Biogas will be used for 220 TPH cogeneration boiler. Indian coal and
concentrated spent wash will be used as spent wash fired boiler of capacity 40TPH. HSD
diesel will be used in D.G sets (1010 kVA X 2 Nos.) in case of power shut down or emergency.
Fuel consumption details are given in below in Table 2.10
Table 2.10 : Fuel consumption
Sr. No
Fuel Sugar Distillery
Existing Proposed Existing Proposed
1. Bagasse (Season) TPH 1150 1684.32 -
2. Off season - - - -
3. Concentrated spent wash (TPH)
- - - 7.27
4. Indian Coal TPH - - - 16
5. HSD per annum KL 8.0 16.00 2.0 4.0
6. Bagasse GCV 2270 kcal/ Kg. 2270 kcal/ Kg. - -
7. Spent wash concentrate, GCV
- - 1917 kcal/kg
1917 kcal/kg
8. Coal GCV - - 4500 kcal/kg
4500 kcal/kg
2.6.3 Manpower requirement
During construction phase 50-80 skilled and un-skilled labors will be required. Local labors
will be engaged during construction phase. During operation phase around 100-120 skilled
and unskilled employees will be needed. Skilled worker like distillery Manager, Process
Engineers, Supervisor, and Operators will be required. The plant operation team will work in
three shifts per day. Each shift will be controlled by a shift charge engineer. The shift charge
engineer will be located at the control room and will be in full charge of the plant operation
during the shift. Since the cogeneration plant is integral with the sugar plant, the Engineers,
Supervisors, Technicians, Mechanics, and floor workers will look after O &M of cogeneration
and sugar plant.
2.6.4 Water requirement
The total fresh requirement for the expansion project of Sugar and Cogeneration is 460
KL/Day (i.e. Industrial use – 360 KLPD and Domestic -100 KLPD) and will be drawn from
Krishna River. The total maximum fresh water requirement for existing 30 KLPD distillery is
200 CMD & Water requirement for proposed distillery 70 KLPD distillery is 590 CMD. Water
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Balance is given in Table 2.10, 2.11 & Figure 2.6, 2.7, 2.8, and 2.9. Excess condensate and
cooling water are recycled as fresh water for process. The water permission is already
available from Irrigation department.
Table 2.11 : Water requirement for integrated project
Description Distillery Sugar and Cogeneration
Existing 30 KLPD
Proposed 70 KLPD
Total Existing 5000 TCD
Proposed 7500 TCD and 44 MW
Total
Startup water (CMD) 439 981 1420 3016 1418 4434
Recycle water (CMD) 239 391 630 2856 1403 4259
Fresh water requirement cum/day (CMD)
200 590 790 160 140 300
Table 2.12 : Effluent generation from sugar and cogeneration unit
Effluent Source Existing 5000 TCD
Proposed 2500 TCD
Total 7500 TCD
Spray pond overflow 300 150 450
Boiler Blow Down 60.00 84 144.0
Cooling bow down 13.0 7.46 20.46
From machinery & factory floor cleaning 45.00 45 90
From domestic water 40.0 40 80
From D.M. water 8 7 15
Total 466 333.46 799.46
Table 2.13 : Effluent generation from distillery Unit
Effluent Source Existing 30 KLPD Proposed Total 100 KLPD
Process condensate 186 244 430
Spent less 53 147 200
Spent wash 240 360 600
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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50 MITCON Consultancy & Engineering Services Ltd.
Figure 2.6: Estimated water balance for existing 5000 TCD
Cane Crushing - 5000 MT/day
Water in cane 3500 (70% of water)
Fiber 674.00
Brix (sugar, Non sugar)-850
Addition of 508
in process
3908.00 Water used & losses in sugar manufacturing process
Sugar
0.200 T Bagasse
698 T Filter cake 120 T
F.M. 20 T
Cleaning 50
Process 508
Boiler 216.0
0
Vent 100.
0
Leakage 146.00
Excess Condensate 750
Condenser (Evap +Pan) 1300
00
Spray Pond
Overflow 300 to ETP
Evaporation loss 1000
Cooled Condensate 682.00
Cogeneration cooling tower 341.0
Used as makeup for cooling 341.0
Evaporation loss, Make up 68.00
Domestic 50
Raw water 210
D.M. Plant 160 CMD
Boiler 152 CMD To ETP
8
Boiler 60 CMD
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Figure 2.7: Estimated water balance for existing 7500 TCD
Cane Crushing - 7500 MT/day
Water in cane 5250.00
(70% of water)
Fiber 1011.00
Brix (sugar, Non sugar)-1275.00
Addition of 737
in process
5862.00 water used & losses in sugar manufacturing process
Sugar
0.300 T
Bagasse
1047 Filter cake 180
F.M. 30 T
Cleaning 100
Process 737
Boiler 324
Vent 150T
0
Leakage 218.7 T
Excess Condensate 1125 T
Condenser (Evap.+Pan) 1950.0T
Spray Pond
Overflow 450 T to ETP
Evaporation loss 1500 T
Cooled Condensate 1023.0T
Cogeneration cooling tower 510 T
Used as makeup for cooling 513 T
Evaporation loss make up 102. T
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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52 MITCON Consultancy & Engineering Services Ltd.
Figure 2.8: Water balance for existing 30 KLPD Distillery
Figure 2.9: Water balance for existing 100 KLPD Distillery
10 CMD Feed Water
90 CMD
Molasses Dilution
40 CMD Fresh Water makeups
Distillation DM water 60 CMD
85 CMD
Fermentation
240 CMD of Spent wash / day
@ 17% solids
Biogas 14000 CMD
68 CMD 60% TS
MEE
186 CMD
Process condensate
53 CMD Spent Less 124 CMD Cooling tower
155 CMD
Fermentation
31 CMD
30 CMD Feed Water
300 CMD
Molasses Dilution 260 CMD Fresh Water makeup
Distillation DM water 200 CMD
Fermentation
600 CMD of Spent wash / day @ 17% solids
Multi Effect Evaporator 174.55 CMD 60% TS
174.55 CMD Spent wash fired Boiler
430 CMD
Process condensate
200 CMD
Spent Less
CPU Unit of 630 CMD
380 CMD (260+ 120) Cooling tower
510CMD
Fermentation
54 to bio-composting
Biocomposting
120 CMD
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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2.6.5 Utilities details
Table 2.14 : Boiler details
Sr. No.
Particulate Sugar/ Cogeneration Distillery Existing Proposed Existing Proposed
1. Boiler Capacity (TPH) 50X1, 28X2 220 - 40
2. Type of boiler Water tube boiler
Water tube boiler Water tube boiler
Water tube boiler
3. TG capacity (MW) 4.5 44 - 4.0
4. TG type Back Pressure TECT - TECT
5. Super heater outlet pressure kg/cm2
21 kg/cm2 110 kg/cm2 - 45 kg/cm2 (g)
6. Super heater outlet Temperature0C
3800C(steam temperature)
5400C(steam temperature)
- 400 ± 5 °C
7. Boiler thermal efficiency
62.00 % (on G.C.V.)
72.0% (On G.C.V.)
- 72
Table 2.15 : Incineration boiler details
Sr. No. Description Unit Quantities
1. Spent Wash Concentration % Solids 60
2. Spent Wash Quantity TPD 174.44
3. GCV of Spent Wash for Given Concentration kcal/Kg 1917
4. Approximate Quantity of Support Coal Required
kg/hr 3200
5. GCV Of Coal kcal/Kg 4500
6. Maximum Ash Content in Indian Coal % w/w 20
7. Gross Steam Generation @ MSSV Outlet kg/hr 35000
8. Pressure at MSSV Outlet kg/cm2 (g) 45.0
9. Temperature at MSSV Outlet 0C 460
10. Steam Required for De-aeration @ 4 Kg/cm2(g) 2000
11. Ambient temperature for Design 0C 40
12. Ambient temperature for Performance Analysis
0C 40
13. Ambient temperature for Electrical Design 0C 45
14. Relative Humidity for Performance % 60
Table 2.16 : Turbo alternator data
Sr. NO. Description T.G. set-4 MW T.G. set-2: 44 MW
1. Type Back pressure TECT
2. Power (KW) 4500 44000
3. Steam pressure (ata.) 21 110
4. Exhaust pressure (ata) 0.9 1.5
5. Inlet Steam temp. (oC) 340 540
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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54 MITCON Consultancy & Engineering Services Ltd.
6. Alternator 4500 44000
7. Voltage KV 420 V 11 KV
8. System frequency 50 50
Table 2.17 : Cooling Tower
Sr. No. Description Existing Proposed
Cooling tower for fermentation
1. Number 1 1
2. Capacity 360 CMH 800CMH
3. Inlet temperature 42 0C 42 0C
4. Outlet temperature 32 0C 320C
5. Type MOC
Induced Draft Double Entry Cross Flow Wooden
Induced Draft Double Entry Cross Flow Wooden
Cooling tower for distillation
6. Number 1 1
7. Capacity 325 CMH 750 CMH
8. Inlet temperature 42 0C 42 0C
9. Outlet temperature 32 0C 320C
10. Type MOC
Induced Draft Double Entry Cross Flow Wooden
Induced Draft Double Entry Cross Flow Wooden
Cooling tower for Evaporation section
11. Number 1 1
12. Capacity 290 CMH 700 CMH
13. Inlet temperature 42 0C 42 0C
14. Outlet temperature 32 0C 320C
15. Type MOC
Induced Draft Double Entry Cross Flow Wooden
Induced Draft Double Entry Cross Flow Wooden
2.7 Technology and process description
2.7.1 Sugar (White sugar) manufacturing
Cane Weighing
Cane is weighed on automatic weighing scales at the factory gate. Net weight of cane is determined by subtracting tare weight of the vehicle from its gross weight.
Unloading Cane is unloaded by means of mechanical un loaders in the carrier and passed through leveller and fibrizor and prepared cane is subjected for milling.
Milling The prepared cane is subjected for extraction of the juice in milling System for successive compressing followed by imbibitions. The extracted juice is weighed automatically and subjected for sugar.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Manufacturing Process
By product of milling system which is known as bagasse is passed for boiler as a fuel for generation of steam. Steam is used for running the prime movers and turbo generations for power production. The exhaust generated from prime movers is utilized for heating of the juice massecuite.
Clarification The weighed juice is heated and subjected to automatic liming and Sulphitation process where the pH of the juice is kept neutral. This sulphated juice is heated and settled in clarifier. The super ant liquid is taken for evaporation where it is concentrated up to 600 BX and passed for crystallization in the vacuum pans.
Crystallization The concentrated syrup is again sulphated and used as a pan boiling system. The three massecuite boiling system is adopted for production of white sugar the process is given below:
A Masssecuite boiling
Syrup 600 BX and 85% purity excess melt is boiled under vacuum or Crystallization after adequate exhaustion and attending proper growth of BX and purity above 89% the crystal l-e massecuite dropped in the crystallization where atmospheric cooling is affected and same is taken for centrifugation where in crystallization are separated from its mother liquor under centrifugal force in the centrifugal machine. The mother Liquor is known as a heavy and a light molasses which is send back for process. The crystals are dried and cooled on hopper and carried for graduation.
B Massecute A heavy molasses is used to develop to cooling and material for B massecuite id developed on a heavy molasses + B light molasses. It is exhausted to the optimum condition and sufficiently brought together to have a BX of 94 and purity 75%. It is dropped to crystallizer for achieving the further exhaustion the same is taken for curing in the continuous machines where a sugar and its mother liquor is known as B heavy molasses which is send back for process. The B sugar is taken as a speed for a Massecuite boiling and excess is melted.
C Massecute The graining is made in the C light and B heavy keeping 62 Purity and BX 70. After establishing grain it is subject for hardening and its further developments. One part of the grain is kept footing material of “c” massecute and two parts are stored in vacuum crystallizer. The footing is developed on B heavy molasses. The mother liquor is completely exhausted followed successive drink of molasses after achieving proper exhaustion l-e 100-102 BX and purity 56 to 58. The same cured is continuous to centrifugal machines where crystals are separated from its mother liquor and liquor is known as final molasses which is weighed automatically and sent for storage in steel tank. The C fore worker sugar is mixed with water known as C fore magma and sent for further curing. The double cured sugar is maintained and used for developing C mesquite. The separated crystals are then graded according to their size as “A” sugar “B” sugar and “C” sugar.
Packaging Separated crystals are packaged in the gunny bags and stitched and
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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are send to the go down
Figure 2.10: Sugar manufacturing process
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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2.7.2 Power generation process
Process The whole process comprises of generating heat energy in the boiler and then
converting heat energy generated in the boiler in to mechanical energy generated
in the turbine and further converting this mechanical energy generated in the
turbine in to electrical energy in the alternator. The Bagasse will be fed in to the
boiler and this fuel is burnt in the boiler. The combustion of fuel generates the
heat energy in the boiler. This heat energy is transferred to heat transfer area
provided in different areas like (bed coils, water wall, Steam Drawn/mud drum,
bank tubes, economizer, super heater, air preheated). This heat will be transferred
to the water which will pass through and steam is generated and this steam will
be further super-heated so that dry super-heated stem will be generated. The
process of conversion of water into stem is as follows:
Water at ambient temperature will fed in to the deaerator and during this process
water temperature rises to 2200C. This water will be further fed in to economizer
and the water temperature rises at 290oC.
This water/steam then enter the boiler and the steam is generated. This steam is
fed into the turbine and this steam expands in the turbine and generates
mechanical energy i.e. it starts rotating the Rotor at high speed and further this
mechanical energy is converted into electrical energy in the alternator.
The feed water from the de-aerator is pumped to the steam drum through
economizer by means of feed water pump (two nos. out of which normally one is
working and the one working and the one will be stand by). The feed water gets
preheated in the economizer, by way of recovery of heat from flue gases, before it
enters the steam drum, where it mixes with boiler water. A minimum recirculation
flow line is provided in the feed water line to pump the water back to de-aerator
and safeguard the pump from overheating in very low or no flow (to boiler)
condition.
Boiler Water Circulation System
The boiler water circulation system consists of three sections in bed tubes, boiler
bank tubes and water wall tubes. The boiler bank tubes have a self-adjusting
circulation pattern, with a few tubes connected to the water space, serving as
down comer tubes and remaining serving as riser tubes. A portion of the water
circulated is evaporated and steam water mixture rises up into the steam drum
where steam is separated from water. Dry steam leaves the steam drum, while
the separated water mixes with the incoming feed water for further circulation.
The in bed/water wall tubes receive water from water drum though down
comer/connecting pipes. The steam water mixture, rising through water wall
tubes enters the steam drum and dry saturated steam leaves the drum.
Super Heater
The saturated steam from the steam drum enters the super heater. This is located
at the outlet of the furnace and is of pendent type, arranged for counter flow
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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System configuration. The heat from the flue gas is transferred to the steam and the super
heater is suitably sized to achieve the rated steam temperature. The inter stage
attempter provided enables to maintain the super heat steam temperature within
allowable limits. The super-heated steam flows through the main steam piping to
the end use equipment. The main steam stop value isolates the boiler from the
process/turbine, as the case may be. Boiler start up vent and super heater safety
value are located in this line.
Firing System
Initially during the startup oil is used to light up the fuel. Once the fuel gets burnt
the primary air is fed into the combustion chambers to make it a fluidized bed
thereafter the fuel is fuel is fed into the boilers though simple arrangement of
rotary feed drains, drag link chain conveyer. The fuel enters the combustor is
arrested by air. The fuel and the cold fly ash re-circulated to the fluidized bed is
well mixed with hot bed material resulting in a uniform temperature distribution
in the bed. Combustion takes place within air optimum temperature of 800 OC to
950 OC.
Flue gas
System
Flue gases leaving the combustor, transfer heat by radiation to the water wall
tubes. The gases then transfer heat by non-luminor radiation and convection to
the super heater and boiler bank tubes. The flue gases leaving the boiler bank
passes through the economizer and air pre-heater. Gases leaving the air pre-
heater flow through the ESP system equipment. The fly ash from the fluidized bed,
ESP is conveyed pneumatically to the main ash side keeping the plant clean of ash.
The rotary air lock valves provided below discharge of the ash. The ID fan provided
after the dust collection equipment
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Figure 2.11: Cogeneration process schematic
2.7.3 Distillery Process
Existing distillery is operated on molasses. In proposed distillery expansion additional 70
KLPD distillery/ethanol plant will be alternatively operated on sugarcane juice or molasses.
As per availability of feedstock operation days of proposed additional expansion of 70
KLPD will be 300 days for only molasses or molasses + sugarcane juice or only sugarcane
juice
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A. Molasses based Distillery/Ethanol plant
Alcohol will be manufactured by continuous fermentation of molasses The main steps in this operation are as follow:
Feed preparation and weighing
Dilution: Preparation of molasses for fermentation by appropriate dilution with water
Fermentation: Production of alcohol from fermentable sugars in molasses solution with the help of yeast
Distillation: Product recovery through distillation processes
Feed preparation and weighing
Molasses stored in a storage tank is first weighed in a tank with load cells so that accurate quantity can be fed to the fermentation section. The weighed molasses then transferred from tank to the dilutor in fermentation section where it is diluted with water and fed to the Fermenter.
Dilution The molasses contains about 42-45% sugar. The main dilution operation occurs in a diluter where the solid concentration is brought down to 20-25° Brix. The bulk of this diluted molasses is fed to the fermentation Tank while a small quantity is further diluted to 10-15° Brix and used for preparation of the final yeast inoculum. Additives like urea and de-foaming oil are also introduced in the fermenter as required. Propagation of yeast for the final inoculation is done in successive stages in volumes of 10, 100, 1000 and 10,000 liters where, in each stage, 10 parts of diluted molasses is inoculated with 1 part of yeast culture.
Fermentation Fermentation process in the fermentation tank continues for about 30 to 45 hours after the final inoculum of yeast addition. Saccharomyces cerevisiae metabolize sugar in the absence of oxygen, they produce ethanol and CO2. The fermentation process is exothermic in nature. Every kilogram of alcohol generates about 290 kilocalories of heat. This excess heat is removed by continuous circulation of fermented wash through an external plate heat exchanger called the fermenter cooler. The fermenter temperature is always maintained between 32-340C, the optimum range for efficient fermentation.
Fermentation Parameters (Typical): The pH of the fermenter is maintained between 4.0 & 4.8 usually without addition of any acid. The alcohol concentration is maintained between 7.0 & 7.5 % v/v, unless a highly concentrate effluent is to be produced.
Conversion of sugar to ethanol is instantaneous, and the residual sugar concentration is maintained below 0.2 % w/w as glucose. This usually corresponds to a residual reducing substances concentration of 2.0 to 2.5 % w/w in wash. All the nutrient elements necessary for yeast growth exist in adequate quantities as impurities in molasses. Occasionally, Nitrogen may have to be supplemented. Defoaming oil (DFO), say Turkey Red Oil is added to the fermenter by an automated DFO dosing system, to control foaming. Usually no other
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additives are required.
Yeast Recycling The yeast in the fermented wash is removed as a 45 to 55 v/v slurry, and is returned to the fermenter. This feature ensures that a high yeast cell concentration is achieved and maintained in the fermenter. By recirculating grown, active yeast, sugar that would have otherwise been consumed in yeast growth, is made available for ethanol production, ensuring high process efficiency. Propagation: The propagation section is a feeder unit to the fermenter. Yeast, either Saccharomyees cereviseae or Schizosaccharomyees pombe (the choice being determined by other process parameters, mainly the downstream effluent treatment system) is grown in 3 stages. The first two stages are designed for aseptic growth. Propagation vessel III develops the inoculum using pasteurized molasses solution as the medium. This vessel has a dual function. During propagation, it serves for inoculum build-up. When the fermenter enters the continuous production mode, Propagation Vessel III is used as an intermediate wash tank. Propagation is carried out only to start up the process initially or after very long shut-downs during which the fermenter is emptied.
Distillation Clarified or de-yeasted wash flows by gravity to the propagation vessel No. III, which during continuous production, operates as an intermediate wash tank. From here, fermented wash is pumped to the wash preheater, which uses vapors from the rectifying column to preheat wash. Further heating is done in an exchange of heat with spent wash (see flow sheet for primary distillation). Preheated wash then enters the degasifying column of the distillation section. Primary Distillation The CO2 and the degasifying section help remove the CO2 and other non-condensable entrained in the wash. The wash column is first column in the distillation section. It is also called the analyzer. Wash is boiled in this column with steam either supplied as live steam from the boiler (after pressure reduction and de-superheating) or from a re-boiler which generates steam by evaporating effluent wash. Alcohol in wash vaporizes and is carried, along with water vapor, to the top of the wash column from where it goes to the rectification column. As wash travels down the analyzer, it is progressively ‘stripped’ of its alcohol content. At a point in the column, where the alcohol concentration is 0.5 to 1.0% v/v, a portion of the wash is drawn off. Multi Pressure Vacuum Distillation: After fermentation the next stage in the manufacture of alcohol is to separate alcohol from fermented wash and to concentrate it to 95% alcohol called as rectified spirit. For this purpose, distillation process is employed. Distillation step consumes a considerable amount of energy and is also a deciding factor in the quality of ethanol produced. Hence, in line with the demand of the industry, efforts have always been to minimize requirement of energy and to improve the basic quality of alcohol produced. Ease of operation, reliability, lower down time and flexibility of operations are other parameters
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considered during the design. Multi-pressure vacuum distillation system for production of Rectified Spirit / ENA consists of following distillation columns namely 1. Degasifying cum analyzer column – Operation under vacuum 2. Pre-rectification column – Operation under vacuum 3. Rectification cum Exhaust Column - Operated under pressure 4. Recovery column - Operated under atmospheric 5. Extractive distillation column – Operated under vacuum 6. Simmering column – Operated under atmospheric
Three basic types of plant are designed a) One is to produce primary quality of alcohol, usually referred to as 'Rectified Spirit' (R.S.) from the fermented wash. Such plants are also referred to as ‘Primary distillation’ plants. b) Second is to produce fine quality of spirit usually referred to as 'Extra Neutral Alcohol' (ENA) starting from R.S. Such plants are also referred to as 'secondary distillation' plants. c) Third is to directly produce fine quality alcohol (ENA) from fermented wash. Such plants are referred to as 'wash (mash) to ENA' plants, where the two steps of primary and secondary distillation are combined. Such plants usually have lower consumption of energy than two separate plants
Dehydration of Alcohol Molecular Sieve The feed (Rectified Spirit), pumped from the storage tanks, is heated through the heat exchanger by the dehydrated alcohol, then heated RS of 93% to 96% is fed to the top of the distillation column. The liquid passes through the distillation column where ethanol is stripped of. The alcohol free liquid called spent lees is separated and discharged from the bottom of the distillation column and the ethanol stream, with strength of about 96% by volume, is removed as vapor, at the top section of the distillation column and feed to the molecular sieve unit after a super heating about 115oC by steam in the heat exchanger. Fuel oils are removed from an intermediate point of the column in order to avoid any risk of flooding of the column and feed to the static settling device where are separated from the weak water which are recycled to the column. The distillation column has an operating pressure of about 160 kPa (A) and is heated with low pressure steam by means of re-boiler. This solution shows following advantages,
Total recovery of steam condensate which is recycled to the steam boiler at high temperature with consequent increasing of the efficiency of the re-boiler (higher production of steam per unit of fuel)
Lower cost for softening of demineralization of raw water to be fed to the boiler as steam condensate does not need any treatment
Lower quantity of stillage, potential source of pollution The super-heated ethanol stream removed at the top of the distillation column feeds one of the two sieve beds is now in regeneration mode.
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The second sieve bed when in regeneration mode (under vacuum) and receives a small amount of vapor from bed working in over pressure. As soon as regeneration is finished (a regeneration cycle lasts about 5 minutes), an automatic control system changes the operating conditions of the two sieve beds in order to have the first sieve bed in regeneration and the second one in dehydration mode. The dehydration process releases a vapor ethanol stream with a very small amount of water (500 ppm or less), which is condensed in the condenser cooled in the heat exchangers and sent to the storage as dehydrated alcohol. The regeneration process releases a certain amount of absorbed water and ethanol, which are condensed in the condenser and recycled to the column. Cooling media of the first cooling step of the dehydrated alcohol (condenser) is the regeneration stream recycled to the distillation column and cooling media of the second cooling step of the dehydrated alcohol (condenser) is the fed stock coming from the storage tanks, which is preheated as herein above described. Remaining vapors and liquid are condensed and cooled by cooling water in S &T or P&F heat exchangers. The unit operation is fully automatic and all operations are governed by logics executed by a PLC Control system.
Figure 2.12: Distillery process (Molasses based)
Spent lees will be recirculated
directly to process/cooling
tower
Steam
RS/ENA/FO/AA/Ethanol
Ethanol & CO2 Emission
Storage
Spent wash treatment through 1. Biomethanation followed by MEE
followed by Bio-composting 2. MEE & Incineration boiler
3.
Molasses Dilution
Fermentation
Spent wash and Spent
lees
Multi-Pressure Distillation
Molecular Sieve
Activated Yeast
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B. PROCESS OF MANUFACTURE OF FUEL ETHANOL FROM SUGARCANE
The major operations are
1. Harvesting, handling & transportation
2. Milling
3. Juice Clarification
4. Evaporation
5. Fermentation
6. Distillation
Harvesting, handling and transportation
The leaves can be easily stripped off manually. The harvesting of Sugarcane can be done
manually or mechanically. The practice of bundling, loading transportation and off-loading
in sugar mill/distillery.
Milling
The Sugarcane is received in the factory yard is weighed for records & fed to the carrier by
mechanical un-loader from trucks and trailers. While the cane carts are manually emptied.
The sugarcane stalk is passed through preparatory devices like knives for cutting the stalks
in to fine chips before being subjected to crushing in a milling tandem comprising 4-5
three-roller mills. Fine preparation with its impact on final extraction, is receiving special
attention particularly fibriser and shredders in case of the Sugarcane. The existing mills are
of three roller conventional mills with feeding devices as TRPF, which gives positive
feeding to the mill. From the existing tandem of five mills, 1st and last two mills will be
used and rest is bypassed. The imbibitions water of full quantity is used before last mill
with existing compound imbibitions system and inter carrier will be used to transfer the
material from 1st to last mill for good extraction of juice up to 90 %.
Fibrous residue called bagasse, with low sugar content is produced about 25 to 30% of
Sugarcane, with contains of 45 to 52 % moisture. This bagasse will go to the boiler as fuel,
and many factories use the bagasse for wallboard or paper manufacture. The elimination
of the thick suspended solids from juice, which causes blockage in equipment & wear
down through abrasion is removed by successive screening. After weighing juice, it is sent
for further clarification.
Juice Clarification
The clarification is carried out to remove impurities.
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After extraction of juice, it is to be passed through D. S. M. screen. The pH of juice is
5.0 – 5.2.
Heating the juice up to 700 C in existing juice heater by applying 2nd body vapour.
Milk of lime to be added up to pH 7.5 – 7.8 (as per need) in existing juice
clarification tank.
After adding milk of lime, juice is to be heated up to 1010 – 1020 C in existing juice
heater by applying 1st body vapour.
Juice settling to be done in existing clarifier.
Mud removes from clarifier is to be send to the existing vacuum filter.
Filtrate obtained from vacuum filter is to be mixed with mill juice.
Evaporation
Clarified juice having approximate 12-130 brix is to be concentrated in existing multiple
effect evaporator set to achieved approximate 700 brix .
Fermentation
Molasses/B-heavy molasses/Juice (20-250 brix)/Juice syrup (700 brix) is the chief raw
material used for production of alcohol. Molasses/juice syrup contains about 50% / 60%
total sugars. During the fermentation, yeast strains to the species Saccharomyces
Cerevisiae, a living microorganism belonging to class fungi converts sugar present in the
molasses such as sucrose or glucose in to alcohol. Chemically this transformation for
sucrose to alcohol can be approximated by the equation: -
C12H22O11 + H2O Invertase 2C6H12O6
Cane Sugar Glucose + Fructose C6H12O6 Zymase 2C2H5OH + 2CO2
180 2 x 46 + 2 x 44
Glucose/Fructose Ethyl alcohol + Carbon di-oxide The concentrated syrup (70 °Bx) sent to distillery, where it is diluted to 200 Brix as (14%
sugar) or juice as per required sugar concentration and pH should be adjusted 4.2-4.5 by
using Sulphuric acid. Nutrients like Urea & DAP added to the fermenter takes place with
help of yeast. The fermentation of juice is carried out in the series of existing cascade type
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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fermenter at temperature between 30 and 32°C, the range optimum for efficient
fermentation. The fermenter temperature maintained at designed value by external plate
heat exchanger with cooling water circulation through plate heat exchangers.
The yeast for the fermentation is initially (i.e. during startup of the plant) developed in the
propagation vessel. Once propagated a viable cell population is maintained by yeast
recycling & continuous aeration of the fermenter. Stillage recycling also reduces the
quantity of effluent spent wash and reduces the process water requirement of the plant.
The residuals sugar level comes to 0.5 % w/w, Brix drops, and 1-15 ° Brix Alcohol % in the
fermented wash is the range 9.0 to 10.0 % v/v.
Distillation (Primary)
The next stage in the manufacture of alcohol is to separate alcohol from fermented wash
and to concentrate it to 95% alcohol called as rectified spirit. For this purpose, method of
distillation is employed. This system consists of following equipment's.
1. Degasifying Column
2. Wash Column
3. Heads Concentration Column
4. Rectification Column
5. Exhaust Column
The distillation column consist number of bubble cap plates where wash is boiled and
alcoholic vapours are separated and concentrated on each plate stage by stage.
The fermented wash first enters the beer heater, which is a condenser for condensing
alcoholic vapours by using wash as cooling medium. The objective of this beer heater is to
recover the heat from the hot vapours of alcohol. Fermented wash from the beer heater
goes to degasifying column, degasifying column bottom goes to the top plate of the wash
column. This column consists of 18 plates. The steam is admitted through the steam
sparger situated at the bottom of the column. As the steam rises up, the wash descending
from the top to the bottom of the column gets heated and by the time it reaches to
bottom plate, it consist practically no alcohol. The wash going out is called spent wash,
which is discharged to the drainpipe. The vapours coming from wash column now consists
approximately 50% alcohol and 50% water with impurities such as higher alcohol's,
aldehydes, acids, sulfur dioxide etc. Part of these vapours are led to Heads Concentration
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Column where low boiling impurities are separated from spirit which is produced at the
rate of total production depending on the extent of purity required & stored separately.
Other portion of the vapours, which is major quantity, is led to rectifying column. This
column consists of 44 plates, which helps the removal of bad smelling fusel oil, which is a
mixture of higher alcohol. As the vapours coming from wash column rise to the top of
rectifying column, the concentration of alcohol goes on increasing & finally it reaches to
the concentration of 95.5% alcohol. The alcoholic vapours from rectifying column are
condensed in the beer heater, principle condenser using water as a coolant and finally
vent condenser. The condensates of all three condensers go back to the top of the
rectifying column & uncondensed gasses are let out from the vent pipe. Actual product of
rectified spirit is drawn from the 3rd plate from the top & cooled in alcohol cooler & taken
out as a product.
The fusel oil which is a mixture of higher alcohol is drawn from the 6th to 10th plate from
bottom of rectifying column as a stream of vapours, it is condensed & cooled & led into a
decanter where it is mixed with water. Fusel oil being immiscible with water collects at the
top and is decanted through a funnel and sent to storage. The lower portion contains
water and alcohol and is sent back to wash column for recovery of alcohol. Fusel oil is
recovered at the rate of 0.2% of alcohol produced.
The alcohol both pure and impure is first led into separate receivers. The quantity of
alcohol produced is assessed daily in the receivers and it is finally transferred to storage
vats in the warehouse. The spirit from storage vats could be issued for denaturation, or for
own consumption, or directly to the tankers of the customer depending upon the type of
requisition.
Manufacturing process for Fuel (Anhydrous) ethanol:
Anhydrous (Fuel) ethanol is an important product required by industry. As per IS
specification it is nearly 100 % pure /water free alcohol. Alcohol as manufactured by
Indian distilleries is rectified spirit, which is 94.68 % alcohol and rest is water. It is not
possible to remove remaining water from rectified spirit by straight distillation as ethyl
alcohol forms a constant boiling mixture with water at this concentration and is known as
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azeotrope. Therefore, special process for removal of water is required for manufacture of
anhydrous (fuel) ethanol.
In order to extract water from alcohol it is necessary to use some dehydrant or entrainer,
which is capable of separating, water from alcohol.
The Molecular Sieve Dehydration process processes used for dehydration of alcohol are
as follows.
The rectified spirit from the rectifier is superheated with steam in feed super heater.
Superheated rectified spirit from feed super heater is passed to one of the pair of
molecular sieve beds for several minutes. On a timed basis, the flow of superheated
rectified spirit vapor is switched to the alternate bed of the pair. A portion of the
anhydrous ethanol vapor leaving the fresh adsorption bed is used to regenerate the
loaded bed. A moderate vacuum is applied by vacuum pump operating after
condensation of the regenerated ethanol water mixture. This condensate is transferred
from recycle drum to the Rectified Column in the hydrous distillation plant via Recycle
pump. The anhydrous alcohol draw is condensed in product condenser and passed to
product storage.
The life of molecular sieve may be around five to seven years. However, the operating
cost is considerably less than azeotropic distillation.
Basic outline of Fuel Ethanol from Sugarcane Juice
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Figure 2.13: Distillery process (Sugar cane juice)
Clarified Juice pH 7.0 – 7.1
20-250 Brix
juice
Spent wash
Screening
Liming pH 7.5 – 7.8
Evaporation
Fermentation Dilution Storage
Distillation +
(MSDH)
Heating
101 – 102 °C
Incineration boiler
Mixed juice
Milling
Cane kicker, fibrizer
Weighment
Evaporation
Fuel Ethanol
700 Brix Syrup
Mud
Heating 70 C Fermentation
Settling
Vacuum Filter
Filter cake
Filtered juice
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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2.7.4 Utilities details modernization equipment
Sugar
Milling Section (45" x 90" size, 5 mills with TRPF)
Boiling Section
HP Boiler
Steam Turbine and auxiliaries
Tie line
Electrical evacuation system including switchyard equip, metering system &
additional bay
Piping, valves, PRDSH
DCS & plant automation
Bagasse & ash handling Equipment’s
ACC for DEC TG & auxiliaries
Bagasse dryer
Electrical Distribution & Interface Piping
Distillery
Fermentation multi-pressure distillation & ethanol
Integrated & independent evaporation for spent wash concentration
Utility equipment - cooling towers, compressor, condensate polishing unit, blower
& chilling plant, alcohol storage & auxiliaries
Incineration boiler
PRDS, electrical, interface piping, DCS, Fuel & Ash handling, auxiliary cooling tower,
Power Export Facility, yard piping & yard lighting etc.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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2.8 Schematic representation of the feasibility drawing for EIA
purpose
2.9 Pollution Sources and its Mitigation measures
Summary of major waste generation of the from sugar, cogeneration and distillery its
disposal/ treatment mechanism is given below,
Table 2.18 : Major pollution sources and its proposed mitigation measures
Environment attribute
Sources Pollutant /Quantity Proposed mitigation measures
Air pollution Stack, Fugitive emissions, material handling
PM10, PM2.5, NOx, SO2
Existing: Wet scrubber Proposed: Electrostatic precipitator Proposed Stack height: 72 m Existing stack height: 30 m, 40m and wet scrubber will be demolished and new stack of 72 m with ESP will be installed.
Waste water Management
Blow down from boiler, cooling tower,
Existing from Sugar unit: 500 CMD Proposed from
Existing 500 CMD ETP from sugar unit For proposed expansion ETP capacity will be upgraded to 800 CMD
EIA study as per ToR granted
Reconnaissance Survey for process, existing baseline environmental condition (air, water, soil, noise, ecology, socioeconomic, Land use), Risk & Disaster assessment, proposed anticipated
environmental impacts
Preparation of Environment Management Plan
Expansion distillery from 30 KLPD to 100 KLPD
Category “A”, Activity-5(g) All molasses based on
distillery
Sugar Expansion from 5000 TCD to 7500 TCD
Category “B” Activity - 5(j) (≥5000 TCD cane crushing capacity)
Integrated proposal to EAC-II for grant for ToR
Cogeneration from 44 MW
Category “B”, Activity-1(d) >15 MW plants based on
biomass fuel
Screening category for combine project Cat A
Scoping by EAC Ind-II Committee, MoEFCC and ToR granted
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Environment attribute
Sources Pollutant /Quantity Proposed mitigation measures
Pump Sealing, floor washing, other cleaning activities and domestic, Spent wash, spent lees, process condensate
Sugar unit: 800 CMD Existing Distillery effluent generation: Spent wash 240 CMD, spent lees 60 CMD , Process condensate Proposed Distillery effluent: Spent wash 600 CMD, spent lees 200 CMD , Process condensate 430 CMD
Co-generation power plant is being Treated water is recycled/reused in greenbelt development and ferti-irrigation. Total Spent wash generation will be 600 CMD. For existing unit spent wash is treated trough Biogas unit followed by Multi effect evaporator (MEE) followed by Bio composting. For Proposed 70 KLPD expansion spent wash will be treated through generated spent wash will be concentrated in MEE and burn in proposed 40TPH spent wash fired boiler.
Solid waste management
ETP Sludge, ash and Press mud
Total Bagasse ash: 40 T Coal Ash 42T Spent wash ash: 20 T ETP sludge: 0.05 TPD Yeast Sludge 20.0 CMD
Sugar Existing bagasse ash generation: 25 TPD Proposed bagasse ash generation: 40 TPD Distillery Coal ash from proposed distillery: 20 TPD Spent wash ash from proposed distillery: 25 TPD Bagasse and spent wash ash collected from the furnace bottom hoppers and high potash content in the bagasse ash will be used as manure. Coal ash will be sold to the brick manufacturer. The sludge from primary clarifies, settling tank and secondary clarifier will be sent to sludge drying beds. Sludge will be dried in natural heat of sunlight. The dried cakes will be scrapped off periodically and can be utilized for as manure.
2.9.1 Composting process details
Compost yard is 3 km south side from factory site. Total area of compost yard is around 12
acres. From which 5.5 acres is made up of 4” RCC & lined with 500 micron HDPE sheet as
per CPCP guidelines. Composting process takes about 6 weeks (45 days) to complete one
cycle and involves following activities. Total number of 4 cycles per annum.
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Figure 2.14: Existing Compost yard
Table 2.19 : Compost cycle
Week 1.
(Inoculation)
Collection & handling of press mud, formation of windrow of dimension 3.5 X
1.5 X as per Lenght M & first pass of Aero tiller to reduce the moisture Content
in windrow from 70% to 50%. Inoculation with mixed population microbial
culture containing fungi, Bacteria and Actinomycetes (30% Suspension in water)
& Aerotilling for proper mixing of inoculants.
Weeks 2-5
(Processing)
Spent wash spraying & Aerotilling, maintenance of moisture between 50 to 65 %
is done by Spent wash spraying. Aerotiller is passed after every spent wash
spray. Trimming of windrow after every Aerotilling operation to reshape the
windrow in triangular position. During this period the temperature of the
composting windrow increases up to 650C.
Week 6
(Curing &
Drying)
Curing, Aging & Drying: Optimum moisture content is maintained. No effluent is
applied during this stage. Leachate BOD & COD is get reduced. Aero tilling is
continued twice a week till the compost is stabilized and finally dispatched to
end user -member farmers as manure.
Features of the composting process
• This is a zero pollution process.
• The BOD of effluent is destroyed.
• All the degradable organic material is oxidized to humus.
• There is no odor nuisance.
• There is no fly nuisance.
• The product is dry, baggable and has a high nutritional value for all crops, and
is applicable on all types of soils.
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• Compost is free from weed seeds and pathogens.
• The composting process is carried out on scientifically designed concreted
compost yard and no ground water pollution/percolation envisaged.
2.10 Project Implementation Schedule
Project action will start after getting Environment Clearance from EAC, MoEFCC.
Estimated time schedule of project implementation will be around 100-120 weeks
2.11 Project Cost Estimate
The total cost of the project will be 57438 Lakhs. The bifurcation of cost for the integrated
project is given below,
Sugar expansion: 20722 Lakhs
Cogeneration expansion: 22101 Lakhs
Project cost of the distillery: 14615 Lakhs
Total: 57438 Lakhs.
The project cost estimates include land & land development, civil, building structure,
plant, & machinery band other expenses, contingencies @, plant & machinery, margin
money of working capital. Environment management cost will be around Rs. 10.5 cr. &
recurring cost will be 37.3 lakhs. The details of project cost are given in Table. 2.20 & EMP
cost is mentioned in Table 2.21.
Table 2.20 : Total project cost for Sugar, Cogeneration, and Distillery
Particulates Sugar expansion Project
Cogeneration Project
Distillery expansion project
Total
Land & Site development 140 230 105 475
Civil works 2507 2918 2365 7790
Indigenous Plant and Machinery 13420 16775 10126 40321
Miscellaneous Fixed Assets 350 428 520 1298
Prelim & Preoperative Expenses 1185 1196 907 3288
Contingencies 352 431 280 1063
Working Capital Margin 2768 123 312 3203
Total 20722 22101 14615 57438
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Table 2.21 Environment Management Cost
Sr. No Description Capital Cost (Rs. in lakhs)
Recurring Cost (Rs. in lakhs)
1. Air Pollution Control 700 10
3. Sugar ETP 250 5
4. Solid waste Management - 7
5. Environmental Monitoring and Management
40 3
6. Rainwater Harvesting 25 4
7. Occupational Health 20 4.8
8. Green belt development 15 3.5
Total 1050 37.3
2.12 Conclusion
Complete project description with location, size, and basic requirements of the project is
described in this Chapter. Probable major environment pollution sources have been
identified. There will be major impacts are from wastewater, solid waste generation and
air emissions. Baseline studies have been conducted in the month of March to May 2018.
Baseline study will help to understand extent of existing pollution and thereafter the
impact of the proposed activities.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER III DESCRIPTION OF THE ENVIRONMENT
3.1 Environmental Parameters
Field monitoring was done for primary data collection of various environment
components such as air quality, water quality, soil quality, noise, micrometeorology, flora
& fauna, socio-economic, hydro-geological study, traffic study etc. Also, secondary data
from authenticated sources was used as a guideline and reference material. The entire
data has been collected through actual physical surveys and observations, literature
surveys, interaction with locals, government agencies, and departments. The baseline
study begins with site visits and reconnaissance survey in the study area. During these visit
the locations were fixed for the monitoring and collection of primary data.
The guiding factors for the present baseline study are the requirements prescribed by the
guidelines given in the EIA Manual of the MoEFCC and methodologies mentioned in
Technical EIA Guidelines Manual for Sugar, Thermal and Distilleries by IL&FS Ecosmart
Ltd., approved by MoEFCC.
3.2 Study Period
The studies were conducted during summer season for the period of 1st March 2018- 31st
May 2018.
3.3 Frequency of Monitoring
Frequency of environment monitoring considered is given in Table 3.1.
Table 3.1: Environmental Parameter & Frequency of Monitoring
This chapter concise details of site information related environmental setting like ambient air
quality, monitored data, ground water quality in and around the plant etc. within 10 km radius of
the project, the environmental parameters which are likely to be affected by project activities are
air, water, soil and socio-economics. The data were collected from both primary and secondary
sources. Primary source data were collected through environmental monitoring in the study
area. Primary survey involved climate, hydro geological aspects, atmospheric conditions, water
quality, soil quality, vegetation pattern, ecology, and socio-economic profile of the study area.
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Components Parameters Frequency Methodology adopted Ambient air quality
PM2.5,PM10,SO2,NOx
Ambient air quality samples are monitored at 9 locations for 24 hours twice a week for the study period
PM10/PM2.5: Gravimetric method SO2: Modified West and Gaeke Method. (IS : 5182, Part II) NOx: Jacobs and Hochheiser Method. (IS 5182 Part VI)
Meteorology Surface : Wind speed and direction , temperature, relative humidity and rainfall
Primary data: Hourly continuous readings during the study period at plant site secondary data collected IMD
Monitoring data for primary data IS: 8829
Water quality Physical, Chemical and Bacteriological parameters.
Primary data :- Ground water samples were collected from 9 locations and 2 surface water samples were collected from one locations
Standard methods for Examination of Water and Wastewater’ published by American Public Health Association (APHA)
Ecology Terrestrial fauna and flora and River ecology
Field survey conducted in 10 km study area, once during the study period
Listing of floral and faunal species.
Noise Noise levels in dB(A)
Continuous 24 – hourly monitoring at 9 locations once during the study period
IS: 4954 as adopted by CPCB.
Soil Physico-chemical Sampling at 8 locations around project site once during the study period.
BIS specifications
Socioeconomic Data
Socio-economic characteristics of the affected area
General in 10 km radial study area and data collected around the project site through field visits
-
Land use pattern
Land use for different categories
10 km radius, Based on data published in Primary Census Abstract and satellite imagery LISS –III
Topo-sheets Satellite imageries
Geology and hydrogeology
Type, drainage etc.
Field Observations in 10 km study area and from secondary data
Authenticate published data.
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3.4 Study area
The project site is located at village Nagnathannanagar, Taluka Walve, Dist. Sangli,
Maharashtra. Brief of Environment setting is given in Table 3.2.
Table 3.2: Environmental setting
Sr.
No.
Particulates Description
1. Project Location Geographical Coordinates
Latitude: 17° 1'5.22"N, Longitude 74°22'13.96"E Elevation: 564 m above MSL.
2. Composting yard Geographical Coordinates
16°59'54.40"N & 74°21'55.22"E Near Padavalwadi
3. Toposheet number 47 K/8 and 47L/5,
4. Nearest IMD station Miraj (Sangali) 43158
5. Nearest Town Islampur 12 km
Sangli 30/27 km
6. Nearest airport Kolhapur airport (IXU) 42 km
Pune international airport 178 km
7. Nearest Railway station Kirloskarvadi railway station 8.82 km in NE, Sangli
Railway station 26.67 km in SE
8. Nearest Road Gotkhindi-Walwa Road adjacent to the factory
Walwa-Tasgaon Road 0.8 km.
NH4 (Mumbai - Pune - Kolhapur – Goa) is 12 m
9. Nearest Village Walwe at 500 m
10. Nearest densely populated Walwe at 500 m and Islampur 12 km
11. No. of Villages in 10 km 26
12. Bio-geographical zone Semi-Arid
13. Nearest Water body Krishna river : 2.2 km
14. Eco-sensitive area No any in within 10 km of project area
Chandoli National Park 55 km
Radhanagari wildlife sanctuary 79 km
15. Precipitation 681.8 mm
16. Temperature Highest recorded: 430C
Lowest record: 6.50C
17. Humidity Annual mean Relative humidity: 51-78
18. Wind Direction Dominant wind from West
19. Soil Type Medium black and deep black soil
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Figure 3.1: Toposheet of the 10 km study area
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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80 MITCON Consultancy & Engineering Services Ltd.
Figure 3.2: Google Image of the 10 km study area
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Figure 3.3: Satellite Image of the study area
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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3.5 Physiography
The district is mainly an agricultural district falling in Krishna river basin. The Sangli district
was earlier known as south Satara district, formed in year 1949 after independence by carving
4 Talukas namely Tasgaor, Khanapur, Walwa and Shivala of Satara district and Miraj and Jat
talukas of other part of Maharashtra. The South Satara district was renamed as Sangli on 29th
Nov 1960. The district is bounded by Satara and Solapur districts in north and Kolhapur and
Belgaum districts (Karnataka) in south. On the east it is ablished bounded by Bijapur district of
Karnataka state and in the west by coastal district of Ratnagiri. The district falls in Krishna
basin and has undulating topography. The elevation in the district ranges between 550 and
1600 amasl . The district is located in the Deccan Plateau and extends west to east from
Western Ghat section in Shirala taluka to relatively flatter area of eastern Jath taluka. The land
forms present are erosional broad valley separating flat topped remnant hills, displaying
characteristic step like appearance. The area of the district can be broadly divided into four
physiographic units namely. The major part of the district is underlain by Deccan lava flows of
Upper Cretaceous to Eocene Age, Where is restricted along the banks of the river.
Walwa Taluka Areal Extent of different Physiographic units in Sangli district, Maharashtra
Hill & Ghats (sq km): 95.95, Foot Hills Area (sq km): 262.60 Plains (sq km):
428.15
Figure 3.4: Hydrogeology the district
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3.5.1 Geology
Almost entire district is underlying by Deccan Trap basalt. Also the isolated and small parts
adjoining the hilly areas have low ground water development potential. There are
prominent hill ranges, many isolated hillocks undulation etc. in the district which facilitate
higher runoff. Almost entire district is occupied by hard rock formation of basaltic lava
flow, which is generally very poor in ground water storage and transitivity. Therefore this
formation gets maximum saturation during monsoon season and thus resulting in a
situation of rejection of recharge in many places. These aquifers than are drained naturally
due to sloping and undulating topography. Similarly wherever ground water development
is more, there aquifers becomes almost nearly dry or semi-dry thus attaining water
scarcity situation for even drinking purpose during summer months.
Hard rock (Basaltic lava flows/Deccan Traps)
Deccan Traps are horizontally disposed thick piles of basaltic lava flows, which are
apparently more or less uniform in composition. Each individual flow is a typical section,
which varies from porous, weathered base to massive middle unit and becoming
increasingly vesicular towards top. Each flow (lower flow and upper flow) is separated
from each other by intermittent bole bed which is normally red in color and called red
bole. These bole beds comprise clay which is deposited between two lava eruptions, thus
an individual flow forms a district hydrogeological unit as they differ in respect of capacity
to receive, stock and transmit water due to the inherent physical characteristics like
porosity and permeability.
Soft Rock (Alluvium)
Alluvium deposits in Sangli district occurs in very thin and isolated pockets along the major
rivers. These deposits comprises of upper layer of silty material underlain by layers of
coarse detrital materials like sand and gravel with admixture of clay. The coarse detrital
material occurring as thin layer or lenses form good water bearing strata while finer
material do not permit movement of ground water. The thickness of these deposits in
Sangli district varies from 10 to 40 m.
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3.5.2 Hydrology
The ground water in basaltic lava flows of Deccan trap occurs under water level and semi-
confined to confined condition in deeper aquifers. The vesicular portion of different flows
varies in thickness from 8 to 12 m and sometimes up to 20 m. It has primary porosity.
However, the density of vesicles, their distribution, and interconnection, depth of
weathering and topography of the area are decision factors for occurrence and
movements of ground water in these units. The weathered and fractured trap occurring in
topographic lows is the main water bearing formation in the district.
Depth to Water Level
The depth to water level in Sangli during pre-monsoon (may-11) vary between 0.35 mbgl
(village Arag) to 16.45 mbgl (village Bilur). It during pre-monsoon seasons indicating
roughly that the water level has gone below 10 mbgl as majority of wells are having a
depth range.
between 5 and 10.00 mbgl
(a) (b)
Figure 3.5: (a) Pre monsoon water level in the district (b) Post monsoon water level
3.5.3 Topography
The study area is located on the bank of Krishna River hence it is having average plane
topography except some patches in southern part. Small hilly area is present near village
Yede Nipani. Digital elevation map of the project site and the study area is given in Fig 3.6.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Figure 3.6: Digital elevation of 10 km study area
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3.6 Land use pattern
Land use is characterized by the arrangements, activities and inputs people undertake in a
certain land cover type to produce, change, or maintain it. Definition of land use in this
way establishes a direct link between land cover and the actions of people in their
environment.
"Grassland" is a cover term, while "rangeland" or "tennis court" refer to the use of a grass
cover; and "Recreation area" is a land use term that may be applicable to different land
cover types: for instance sandy surfaces, like a beach; a built-up area like a pleasure park;
woodlands; etc.
3.6.1 Land Cover of the study area
Land cover is the observed (bio) physical cover on the earth's surface. When considering
land cover in a very pure and strict sense, it should be confined to the description of
vegetation and man-made features. Consequently, areas where the surface consists of
bare rock or bare soil are land itself rather than land cover. Also, it is disputable whether
water surfaces are real land cover. However, in practice, the scientific community usually
includes these features within the term land cover.
Land Use/Land cover for 10 km radius from project site of were delineated based on the
Landsat ETM+ satellite data; the land use/Land cover classes are categorized based on the
ground trothing and site visit. The land is classified in vegetation, barren land, Built up
area and water Body etc. classes, detailed distribution of units showing in the below map,
table and graph.
These images provide the information about the land use pattern of the study area. The
different color represents the settlement or built up land Vegetation (include Agriculture
and forest) area, barren Land and water bodies.
Table 3.3: Land use land cover statistics of the study area
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Built up land
It is defined as an area of human habitat developed due to non-agriculture use. The built-
up land in 10 km radius from project site comprises of villages, towns, panchayat and
revenue villages that include buildings, Industries, factories, transport, communications,
utilities in association with water and vegetation. Out of total 3.7 % (total 1148 Hectors)
of area cover in Built up class.
Vegetation & Agricultural
The vegetation class use is a function of land productivity and land utilization practices
over a period of time. It is an area within the notified forest boundary bearing an
association of predominantly of trees and other vegetation types capable of producing
timber and other forest produces. These lands are generally occupying the topographically
high regions. Vegetation area 23.9 % of the area.
Agriculture area 26.1 of the area.
Water Bodies
This category comprises areas with surface water, either impounded in the form of ponds,
lakes and reservoirs or flowing as streams, rivers, canals etc. These are seen clearly on the
satellite image in blue to dark blue or cyan color depending on the depth of water. These
areas were identified and mapped as water bodies; this unit is spatially distributed, 294
Ha. Which is 0.9 % of the study area.
Open Land and Fallow land
It is described as degraded land which can be brought under vegetative cover with
reasonable effort and which is currently under-utilized and land which is deteriorating due
to lack of appropriate water and soil management or on account of natural causes.
Wastelands can result from inherent/imposed constraints such as, by location,
environment, chemical and physical properties of the soil or financial or management
constraints. 24.1 % (7575 hector) of the Open lands are identified in study area. Fallow
Land comprises 21.3 % (6676 Ha.)
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Figure 3.7: Land cover of 10 km study area
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3.7 Seismology
Bureau of Indian Standards (BIS) has prepared a seismic zoning map of India based on
tectonic features and records of past earthquakes. Approx. 59% of the land area of India is
liable to seismic hazard damage. In India, seismic zones are divided into four zones i.e. II,
III, IV and V.
Zone – V: Very High Risk Zone
Zone – IV: High Risk Zone
Zone – III: Moderate Risk Zone
Zone – II: Low Risk Zone
The site is located in Zone-III as per the seismic map given in
Figure 3.8: Seismic zone map
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3.8 TRAFFIC SURVEY
Traffic survey has been conducted for peak and non-peak hours at factory approach Road
Walwa-Tasgaon Road 0.8 km in NE. The traffic survey monitoring was performed in May,
2018 to predict the future traffic growth and the load on the plant road and surroundings
due to the proposed project.
Table 3.4: Traffic Scenario- existing project in crushing season
Time Type of Vehicle Total Vehicle Cycle, motor
cycle or scooter Passenger car, tempo, Cars, auto rickshaw
Agri. Tractor/ Truck
Bullock cart
Peak Hours 9.00 -10.0 am 250 100 100 24 474
10.00-11.0 am 135 92 85 12 324
4.00 -5.0 pm 90 85 63 10 248
5.00 - 6.00 pm 75 70 36 12 193
Non-Peak Hours
2.00-3.00 pm 120 42 25 8 195
8.00–9.00 pm 62 28 12 5 107
Table 3.5: Expected Traffic Scenario- due to Proposed Project in crushing season
Time Type of Vehicle Total Vehicle
Cycle, motor cycle or scooter
Passenger car, tempo, Cars, auto
rickshaw or agricultural
tractor
Agricultural Tractor/ Truck
Bullock cart
Peak Hours
9.00 -10.00 am 60 15 40 20 135
10.00 – 11.00 am
30 5 30 15 80
4.00 -5.00 pm 20 5 26 15 66
5.00 - 6.00 pm 20 5 18 8 51
3.9 Climatic Condition & Meteorology
The climate of the district is characterized by general dryness during the major part of the
year. Winter season is from November to end of February followed by summer season
which is from March to May. The South-West monsoon season is from June to October.
However average rainfall for the district for above period is 587.38 mm. The climate of the
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district is dry except during south west monsoon period that is from June to Sept. The
normal annual rainfall over the district ranges from 558.8 mm (Jath) to 938.9 mm
(Shirala). Meteorological characteristics of an area are very much important in assessing
possible environmental impacts and in preparing environmental management plan.
3.9.1 Methodology
Secondary data from already published literature of National Data Centre of Indian
Meteorological Department, Sangli have been utilized to establish the general
meteorological pattern. Site-specific meteorological data i.e. temperature, relative
humidity, rainfall, wind speed and wind direction for the project site have been generated
by installing weather station at project site during the period of March 2018 to May 2018.
3.9.2 Average Meteorological Condition (Source: IMD)
The IMD observatory is installed in the compound of Muncipal Water Works, Hirabag,
Sangli; exposure good. Miraj (Sangli) at an approx. aerial distance of 37 km towards the
south east direction from the project site. The height of installation is 549 m above MSL
and 10m from ground. The average of meteorological data of IMD observatory is
presented in Table 3.6 and the average of the site-specific meteorological data generated
during the study period is presented in Table 3.7. The wind rose diagram of the study
period is given as Figure 3.9.
Table 3.6: Average of meteorological data
Location: In the compound of Muncipal Water Works, Hirabag, Sangli; exposure good (Lat: N 16° 51', Long: E 74° 36') (Station Code: 43158) Aerial distance from Project Site: Approx. 26.5 Km SE Height of installation: 549 m above MSL
Month Temperature (°C)
Relative Humidity (%)
Mean Wind Speed
(km/h.)
Pre-dominant Wind
Direction
Precipitation (mm) Monthly total Max. Min. Mor. Eve.
January 28.9 16.7 74 39 9-20 E,W and SE 0.3
February 31.5 18.4 68 31 9-22 W,E and SE 0.2
March 34 21.8 68 30 17-25 W 6.5
April 35.5 24.6 70 31 19-27 W 21.6
May 33.6 25.7 75 45 26-29 W 51.9
June 28.3 24.7 84 68 26-28 W and SW 137.9
July 26.2 23.8 87 75 28-30 W and SW 108.1
August 25.7 23.2 89 76 25-29 W and SW 89.2
September 27.2 23 88 69 17-24 W 124
October 28.8 22.7 82 56 11-15 W and E 115.6
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November 28.1 20.2 76 49 13-19 E and SE 22.2
December 27.5 17.4 75 45 11-21 E 4.5
Annual Total or Mean
29.5 21.8 78 51 - - 681.8
Table 3.7: Average of the site-specific meteorological data (March 18 to May 18)
Month Temperature (°C) Wind speed
Wind Direction
Relative Humidity (%)
Rainfall (mm)
Min. Max. Avg. Min. Max. Avg.
March 21 37 29 2-8 km./h W 35 71 52 0
April 25 39 28 2-8 km./h W,SW 28 70 48 0
May 23 39 31 3-8 km./h W, SW 28 77 47 0
3.9.3 Temperature
The summer season from March to May is one with continuous increase in temperatures
which decreases during monsoon, increases slightly during the post monsoon season and
again decreases during the winter. During the study period, the daily maximum
temperature was recorded at 39°C in the month of March & April and daily minimum
temperature was recorded at 21°C in the month of March. The average temperature of
the study period has been recorded at 28°C.
3.9.4 Relative Humidity
The climate of the region is characterized by general dryness except during south west
monsoon season. Humidity is usually high during the monsoon months, with average
relative humidity 77%. Humidity decreases gradually during the post monsoon months
and for rest of the year, the average relative humidity around 78%. The values of
maximum & minimum relative humidity observed during the study period are 28-77 %.
3.9.5 Precipitation
The annual rainfall is received during the southwest monsoon season i.e. from June to
October, July being the month with highest rainfall. The total monthly annual rainfall
observed from the IMD data is 681.8 mm. There were slight showers i.e. 0.1 mm during
the study period.
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3.6.6 Wind Speed and Wind Direction
Wind rose based on hourly readings of wind speed and direction monitored during
monitoring period at the factory site for the month of March 2018, April 2018, May 2018.
In general, the primary meteorological data obtained at the project site are in agreement
with the data of previous years available from secondary source.
The wind rose diagram reveals that wind was blowing predominantly from the west
direction with frequency of approximately 55% having speed in the range of 1- 4 m/s
during the monitoring period with frequency of calm winds 17.4 % during the monitoring
period. Wind rose graphically shown in Fig 3.9.
Figure 3.9: Wind rose diagram for March to May 2018
3.10 AMBIENT AIR QUALITY
Samples were collected in the 10 km study area to observe pollution trends throughout
the region. It helps in providing a data base for evaluation of effects of a project activity in
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that region. The various sources of air pollution in the present area are nearby industries
and agricultural land.
Methodology
The air quality monitoring study was conducted keeping the following points into
consideration.
Meteorological conditions on synoptic scale; i.e. after considering the pre-
dominant wind direction.
Two locations in the upwind direction;
Three locations in the downwind direction.
Population zone and sensitive receptors.
Table 3.8: Methodology for AAQM
Parameter Monitoring Equipment’s
Analytical Method Minimum Detectable limit
Technical Protocol
PM10 Fine Dust sampler
IS 5182 (Part 23) :2006, RA-2012
10 µg/m3 Respirable Suspended Particulate Matter (PM 10) gravimetric method
PM2.5 Fine Dust sampler
Guidelines for the measurement of Ambient Air pollutant Vol. I,2011(CPCB Guidelines)
10 µg/m3
Respirable Suspended Particulate Matter (PM 2.5) gravimetric method
NOx Gaseous sampler
IS 5182 (Part VI) : 2006, RA-2012
5 µg/m3 Modified Jacob & Hochheiser (Na- Arsenate) method
SO2 Gaseous sampler
IS 5182 (Part II) : 2001, RA-2012
5 µg/m3 Improved West and Geake method
Sampling location & frequency
Ambient air quality of the study area has been assessed during summer period of March
2018 to May, 2018 through a network of nine ambient air quality stations within an area
of 10 km region around the project site and including the project site. The sampling was
done continuously for 24 hours for SO2, NOx, PM10 & PM2.5 with a frequency of twice a
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week for three months (24 observations for one location). The air monitoring locations are
shown in Figure 3.10 and Table 3.9.
Table 3.9: Air sampling locations
Air Stations
Location Distance (km)
Geographical coordinates Direction Justification for selection
A1 Project Location
- - - Core
A2 Walwa 0.42 17° 1'31.77"N, 74°22'21.52"E NNE CW
A3 Shirgaon 1.71 17° 1'45.18"N, 74°23'1.26"E NE DW
A4 Nagthane 3.1 17° 1'30.41"N, 74°23'56.36"E E DW
A5 Padavalwadi 1.77 17° 0'12.65"N, 74°21'45.25"E SW CW
A6 Ahirwadi 4 17° 0'26.56"N, 74°20'7.69"E W UW
A7 Navekhed 4.88 17° 3'39.33"N, 74°21'0.36"E NNW CW
A8 Nagarale 3.62 17° 2'56.21"N, 74°23'20.90"E NNE CW
A9 Tujarpur 7.48 17° 0'41.11"N, 74°18'4.22"E W UW
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Figure 3.10: Air quality sampling locations
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Table 3.10: Ambient Air analysis results
Statistical parameter PM10
(µg/m3) PM2.5
(µg/m3) SO2
(µg/m3) NOx
(µg/m3)
A1-Project Site
Minimum 41.2 24.3 8.3 12.4
Maximum 52.3 32.6 10.9 19.2
Average 48.7 28.2 10.0 15.0
98th Percentile 52.3 32.5 10.9 17.9
A2- Walwa
Minimum 42.6 23.6 10.1 14.7
Maximum 54.6 30.6 14.1 18.7
Average 50.5 27.5 12.0 16.4
98th percentile 53.7 30.6 13.6 18.6
A3- Shirgaon
Minimum 41.2 20.4 7.4 13.3
Maximum 46.8 31.0 11.1 18.8
Average 44.4 32.4 9.0 16.1
98th percentile 46.8 137.0 10.8 18.5
A4- Nagthane
Minimum 36.9 20.3 7.1 13.8
Maximum 49.6 26.9 10.2 19.4
Average 43.5 24.4 9.0 16.7
98th percentile 48.6 26.9 10.2 19.1
A5- Padavalwadi
Minimum 39.4 18.5 6.3 11.4
Maximum 47.8 29.5 9.7 16.9
Average 42.5 25.6 8.1 14.0
98th percentile 47.2 29.2 9.6 16.8
A6- Ahirwadi
Minimum 37.5 24.5 6.1 11.2
Maximum 50.3 28.6 9.2 14.9
Average 45.3 25.8 7.7 12.6
98th percentile 49.8 28.6 9.2 14.8
A7- Navekhed
Minimum 39.5 19.8 6.1 11.1
Maximum 49.8 26.5 9.4 15.6
Average 45.1 23.8 7.6 12.4
98th percentile 49.1 26.1 9.3 15.3
A8- Nagarale
Minimum 37.6 18.2 6.1 10.4
Maximum 47.4 25.6 9.5 14.4
Average 41.9 21.5 7.6 12.3
98th percentile 46.7 25.5 9.5 14.2
A9- Tujarpur
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Minimum 38.6 19.8 6.3 9.6
Maximum 48.5 28.6 7.0 13.1
Average 43.9 23.6 8.2 11.0
98th percentile 48.5 28.6 7.2 12.7
NAAQS standards 2009, Ministry of Environment & Forest, Gov. of India
Industrial, Residential and Rural Areas
100 60 80 80
The concentrations of PM10 PM2.5, SO2 and NOx (Table 3.11) were found within the
National Ambient Air Quality Standards (NAAQ).
Interpretation
Particulate matter emission (PM10& PM2.5): After completion of baseline survey it was
found that all ambient air quality parameters are within the NAAQ standards of Central
Pollution Control Board. At Walwa, it was found that high percentage of Particulate
matter as compared to other monitoring locations as it Is densely populated area and
vehicular movement and local activity are higher compare to other.
SO2 emission: SO2 emission is found at Walwa due to vehicular movement.
NOx emission: NOx emission at all monitoring location are within the NAAQ standards. At
Walwa and Shirgaon it was found that high percentage of NOx as compared to other
monitoring. Nitrogen dioxide is a large scale pollutant, with rural background ground level
concentrations in some extent. Nitrogen dioxide plays a role in atmospheric chemistry,
including the formation of troposphere ozone. Nitrogen dioxide is also produced naturally
during electrical storms. The term for this process is "atmospheric fixation of nitrogen".
The rain produced during such storms is especially good for the garden as it contains trace
amounts of fertilize
3.11 Ambient noise monitoring results
Ambient noise standards are prescribed for residential, commercial and industrial areas
and silence zone vide ‘The Noise Pollution (Regulation and control) Rules, 2000, notified
by the MoEF&CC on February 14, 2000 and amended thereof. The ambient noise
standards have been stipulated during day time (6 am to 9 pm) and night time (9 pm to 6
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am) keeping in the view the different sensitive and the resultant impacts at community
level during these periods. The ambient noise levels were monitored at selected villages
within the study area during day and night time covering residential,
commercial/industrial and silence zones.
Background noise levels were measured at the project site and surrounding villages by
standard- noise- level- meter for 24 hours. Equivalent noise levels during day (0800-2100
hrs) Ld, night (2100-0700 hrs) Ln and the equivalent noise levels for day & night, the Ldn
values were calculated.
Methodology
Site visit and identification of sources of noise
Identifying monitoring locations and conducting noise monitoring
Determining possible impacts of noise on the environment from proposed
activities
Suggestions of mitigation measures of noise and to reduce noise of sources
exceeding the allowable limits
The Noise quality monitoring Station presented in Figure 3.11 & observed noise level is
described in Table 3.11.
Table 3.11: Noise Level Monitoring Locations
Noise sampling
Location Aerial distance
(km)
Geographical coordinates Direction Selection of station
N1 Project Location
- - - Core
N 2 Walwa 0.42 17° 1'31.77"N, 74°22'21.52"E NNE CW
N 3 Shirgaon 1.71 17° 1'45.18"N, 74°23'1.26"E NE DW
N 4 Nagthane 3.1 17° 1'30.41"N, 74°23'56.36"E W DW
N 5 Padavalwadi 1.77 17° 0'12.65"N, 74°21'45.25"E SW CW
N 6 Ahirwadi 4.0 17° 0'26.56"N, 74°20'7.69"E W UW
N 7 Navekhed 4.88 17° 3'39.33"N, 74°21'0.36"E NNW CW
N 8 Nagarale 3.62 17° 2'56.21"N, 74°23'20.90"E NNE CW
N 9 Tujarpur 7.48 17° 0'41.11"N, 74°18'4.22"E W UW
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Figure 3.11: Noise sampling Locations
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Results
The results of all nine noise monitoring stations are summarized in the below Table 3.12.
Table 3.12: Results of noise monitoring
Station codes
Location Equivalent noise level, Leq in dB (A)
CPCB permissible limits
Day Time Night Time Day Time Night Time
N1 Project Location 66.5 65.5 75 70
N2 Walwa 52.5 41.5 55 45
N3 Shirgaon 51.6 42.0 55 45
N4 Nagthane 50.2 41.0 55 45
N5 Padavalwadi 48.5 41.0 55 45
N6 Ahirwadi 42.6 39.5 55 45
N7 Navekhed 50.8 40.0 55 45
N8 Nagarale 48.5 40.5 55 45
N9 Tujarpur 50.2 40.2 55 45
Interpretation
The above results are within the CPCB Standards. The minimum noise level 39.5 dB (A)
and the maximum noise level 52.5 dB (A) were observed in rural residential area. The
relative high values of noise recorded in factory premises and suburban areas were
primarily due to vehicular traffic and other activities.
3.12 Water Quality
The surface and ground water quality of the project area may get affected due to various
factors. Assessment of baseline data on water environment (surface and ground) includes
Identification of surface water sources
Identification of ground water sources
Collection of water samples
Analyzing water samples for physio-chemical and biological parameters
Methodology
Assessment of water quality in the study area includes the water quality testing and
assessment as per the Indian standard IS 10500:2012 (drinking water standard).
The surface and ground water sampling was carried out by using central pollution control
board (CPCB) guidelines. A sample container was properly cleaned and rinsed with sample
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for three-four times before it was filled. Sample containers were labeled properly and
sample code, sampling date was clearly marked on container.
Surface water sample was collected from surface water body about 30 cm below
the water surface using grab sampling method.
Ground water samples were collected from bore well & dug well
Water samples from various locations in and around the project site within 10 km
radius were collected for assessment of the physico-chemical and bacteriological
quality.
Methodologies adopted for analysis were according to the IS methods.
The parameters thus analyzed were compared with IS 10500:2012.
3.13.1 Surface Water
Sampling location & frequency
Surface water samples were collected from three different locations within the study area
as shown in Table 3.13 and Fig 3.12 once in May 2018.
Table 3.13: Surface water sampling locations
Sampling Stations
Code
Location
Aerial distance w.r.t project site
Geographical coordinates
Direction w.r.t project site
Type
SW1 Nagthane (Krishna river)
2 17° 1'14.79"N, 74°23'8.99"E
W Down stream
SW2 Shirgaon (Krishna river )
1.35 17° 1'44.70"N, 74°22'54.57"E
NE Up stream
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Figure 3.12: Water sampling location
Results
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Surface water quality analysis report
The result of the surface water monitoring station is summarized in the below Table 3.14.
Table 3.14: Results of surface water sampling
Sr.No. Parameters SW1 SW2 Unit IS:10500:2012 Required Standards
Chemical Potability 1. Biochemical Oxygen Demand 04 10 mg/l N,S 2. Chemical Oxygen Demand 15 37 mg/l N,S 3. pH at 25 oC 7.31 7.26 - 6.50 to 8.50
4 Temperature 29 29 0C N.S.
5 Electrical Conductivity at 25 oC 160 150 µS/cm N.S.
6 Turbidity <1 <1 NTU ≤ 1
7 Total Dissolved Solids 108 104 mg/l ≤ 500
8 Total Solids 110 108 mg/l N.S.
9 Dissolved Oxygen 6.8 6.4 mg/l N.S
10 Acidity as CaCO3 <5 <5 mg/l N.S.
11 Total Alkalinity as CaCO3 35.36 33.28 mg/l ≤ 200
12 Total Hardness as CaCO3 54.04 48.03 mg/l ≤ 200
13 Calcium as Ca 13.62 12.02 mg/l ≤ 75
14 Magnesium as Mg 4.86 4.37 mg/l ≤ 30
15 Chloride as Cl- 11.82 13.30 mg/l ≤ 250
16 Sulphates as SO4 <10 <10 mg/l ≤ 200
17 Nitrate as NO3 1.29 <1 mg/l ≤ 45
18 Ammonical Nitrogen as NH4-N <0.1 <0.1 mg/l N.S.
19 Total Kjeldahl Nitrogen NH3-N <1 <1 mg/l N.S.
20 Salinity 0.021 0.024 ppt N.S.
21 Fluoride as F <0.1 <0.1 mg/l ≤ 1.0
22 Total Phosphorous <1 <1 mg/l N.S.
23 Silica as SiO3 3.04 3.63 mg/l N.S.
24 Phenol <0.001 <0.001 mg/l ≤ 0.001
25 Sodium as Na 06 07 mg/l N.S.
26 Potassium as K 02 02 mg/l N.S.
27 Hexavalent Chromium (as Cr6+)
<0.02 <0.02 mg/l N.S.
28 Iron (as Fe) <0.05 <0.05 mg/l ≤ 0.3
29 Copper (as Cu) <0.04 <0.04 mg/l ≤ 0.05
30 Manganese as Mn <0.1 <0.1 mg/l ≤ 0.1
31 Nickel <0.01 <0.01 mg/l ≤ 0.01
32 Zinc as Zn <0.05 <0.05 mg/l ≤ 5
33 Boron as B <0.04 <0.04 mg/l ≤ 0.5
34 chromium <0.03 <0.03 mg/l ≤ 0.05
35 lead <0.01 <0.01 mg/l ≤ 0.01
36 cadmium <0.003 <0.003 mg/l ≤ 0.003
BACTERIOLOGICAL POTABILITY
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Inference
A review of the above chemical analysis reveals that water from Krishna River not suitable
for drinking purposes due to presence of MPN in the surface water samples collected. This
is due domestic activity carried out near river bank. Domestic activity like washing of
utensil, cloths, animal cleaning, human and animal excreta etc. are dumped in river water.
Rest all the constituents are within the limits prescribed for drinking water standards
promulgated by Indian Standards (10500: 2012).
Ground Water
3.13.2 Ground water sampling location & frequency
Ground water samples were collected from nine different locations within the study area
as shown in Table 3.15 and Figure 3.12 once in May 2018.
Table 3.15: Ground water sampling locations
Sampling Stations
Location Aerial distance
Direction Geographical coordinates Sample source
GW1 Project site: Private dug well near factory
- - 17° 1'6.76"N,74°22'7.16"E BW
GW2 Shirgaon : Borewell 1.5 NE 17° 1'21"N, 74°22'36"E BW
GW3 Pundi: Handpump 5.1 N 17° 4'10"N, 74°21'53"E BW
GW4 Walwa:Handpump 0.81 N 17° 1'34"N, 74°22'16"E BW
GW5 Ahirewadi: Bore well 3.8 SW 17° 0'26.54"N, 74°20'6.15"E BW
GW6 Gatadwadi: Bore well
6 SW 16°59'58.17"N,74°18'54.29"E DW
GW7 Bavachi: Dug well 5.6 S 16° 58'3"N, 74°22’13"E BW
GW8 Padavalwadi: Hand Pump
3.36 SSW 16°59'29.33"N,74°21'27.11"E BW
GW9 Padavalwadi: Near Compost Yard
2.2 S 16°59'57.87"N 74°22'0.79"E S
Results
The results of all nine ground water monitoring stations are summarized in the below
Table 3.16.
01 Total Coliforms 500 900 MPN./100 ml Absent
02 Fecal coliform 300 300 MPN./100 ml Absent
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Table 3.16: Results of ground water sampling
Characteristics GW1 GW2 GW3 GW4 GW5 GW6 GW7 GW8 GW9 IS 10500: 2012
pH at 25 oC 7.44 7.38 7.51 7.46 7.63 7.50 7.34 7.56 7.65 6.5 - 8.5
Temp. 29 29 29 29 29 29 29 29 29 N.S.
EC 1305 887 1881 1421 5467 8774 1292 3072 1374 N.S.
Turbidity <1 <1 <1 <1 <1 <1 <1 <1 <1 ≤ 1
TDS 1056 698 1522 1083 3953 5903 962 2196 1093 ≤ 500
TS 1058 702 1524 1085 3955 5911 965 2198 1095 N.S.
Acidity as CaCO3 <5 <5 <5 <5 <5 <5 <5 <5 <5 N.S.
Total Alkalinity as CaCO3
153.92 208 384.8 213.2 301.6 301.6 270.4 405.6 395.2 ≤ 200
Total Hardness as CaCO3
570.45 360.28 460.36 450.36 480.38 1341.07
490.39
520.41 500.4 ≤ 200
Calcium as Ca 144.28 64.12 72.14 64.12 56.11 184.36 92.18 65.12 76.15 ≤ 80
Magnesium as Mg
51.05 48.62 68.06 70.49 82.65 213.92 63.20 87.51 75.36 ≤ 30
Chloride as Cl- 78.84 27.59 68.98 128.11 739.13 2020.2 137.9 344.92 86.72 ≤ 250
Sulphates as SO4
176.04 32.81 226.04 73.43 235.41 605.72 71.87 373.43 77.60 ≤ 200
Nitrate as NO3 5.08 31.16 16.18 13.87 24.04 24.59 41.02 43.05 28.48 ≤ 45
Ammonical Nitrogen as NH4-N
<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.2 N.S.
Total Kjeldahl Nitrogen
<1 <1 <1 <1 <1 <1 <1 <1 2.5 N.S.
Salinity 0.142 0.049 0.12 2.31 1.33 3.64 0.24 0.62 0.15 N.S.
Fluoride <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 ≤ 1.0
Total Phosphorous
<1 <1 <1 <1 <1 <1 <1 <1 <1 N.S.
Silica as SiO3 21.93 17.98 35.37 29.05 60.8 91.89 32.01 55.92 51.97 N.S.
Phenol <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 ≤ 0.001
Sodium 27 28 52 26 94 154 55 74 68 N.S.
Potassium 09 9 14 08 22 66 10 18 15 N.S.
Hexavalent Chromium (Cr6+)
<0.01 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.01 <0.02 N.S.
Iron (as Fe) <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 ≤ 0.3
Copper (as Cu) <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 ≤ 0.05
Manganese as Mn
<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 ≤ 0.1
Nickel <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 ≤ 0.01
Zinc as Zn <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 ≤ 5
Chromium <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 ≤ 0.05
Lead <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 ≤ 0.01 Cadmium <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 ≤ 0.003
Total coliforms <2 <2 <2 <2 <2 <2 <2 900 <2 Absent
Fecal coliform <2 <2 <2 <2 <2 <2 <2 500 <2 Absent
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All values are in mg/ except pH, EC and Biological
Inference
Higher electrical conductivity of water sample was recorded in bore well, hand pump
water in at Ahirewadi and Gatadwadi due to increase in concentration of dissolved ions in
water in summer season. High levels of nitrate in groundwater are associated with
agricultural activity observed at Padavalwadi. Increasing TDS concentration, hardness is
due to salts enter groundwater through dissolution of soil, rock, and organic material. In
summer season might be due to low water level and high rate of evaporation of water and
addition of calcium and magnesium salts. Heavy metals are not detected in all the
samples.
3.13 Soil Environment
Soil is the unconsolidated material on the earth surface that serves as a natural medium
for plant growth. Medium black and deep black soil is observed in the project area.
Methodology
Site visit and collection of soil sample
Manual sample collection using hammer and container bags for collecting
undisturbed top soil.
Sample was taken from the surface to plough depth 0-22 cm
Recently fertilized, old bunds, marshy spots, near trees, compost heaps and farm
sheds etc. these locations are avoided at the time of sampling.
Each Sample collected was a uniformly thick 2cm slice of soil from the exposed soil
face V in shaped hole.
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Sampling location & frequency
Soil samples were collected from eight different locations within the study area as shown
in Table 3.17 and Fig 3.13 once in May 2018.
Table 3.17: Soil sampling locations
Sampling Stations
Location Distance Direction Geographical coordinates
S1 Project Location - 17° 1'8.38"N, 74°22'18.26"E
S2 Shirgaon 1.5 NE 17° 1'21"N, 74°22'36"E
S3 Pundi 5.1 N 17° 4'10"N, 74°21'53"E
S4 Walwa 0.81 N 17° 1'34"N, 74°22'16"E
S5 Ahirewadi 3.8 SW 17° 0'26.54"N, 74°20'6.15"E
S6 Gatadwadi 6 SW 16°59'58.17"N,74°18'54.29"E
S7 Bavachi 5.6 S 16° 58'3"N, 74°22’13"E
S8 Padavalwadi 3.36 SSW 16°59'29.33"N,74°21'27.11"E
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Figure 3.13: Soil sampling location
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Results
The results of all eight soil monitoring stations are summarized in the below Table 3.18.
Table 3.18: Results of soil sampling
Characteristics Unit S1 S2 S3 S4 S5 S6 S7 S8
Texture - Clay Loam
Clay Loam
Clay Loam
Clay Loam
Clay Loam
Clay Loam
Clay Loam
Clay Loam
Percentage of different components
Sand Silt Clay
% % %
23 32 45
27 32 41
28 30 42
23 28 49
28 26 46
29 24 47
27 25 48
23 29 48
Soil Moisture % 7.00 6.66 7.02 6.71 6.83 7.13 6.96 6.91
Bulk Density g/cm2 0.85 1.13 1.54 1.05 1.12 1.24 0.92 1.00
Water Holding Capacity
% 60.0 60.6 61.5 60.1 56.4 60.9 55.8 54.7
pH -- 7.62 7.92 7.77 8.02 7.98 8.04 7.45 7.90
Conductivity µs/cm 502.4 616.8 459.8 648.2 518.6 579.8 624.8 678.4
Organic Carbon % 0.85 0.79 0.92 0.97 0.76 0.82 0.83 0.90
Calcium (as Ca) mg/kg 216.4 228.4 236.4 244.4 219.5 240.4 220.4 228.0
Magnesium (as Mg)
mg/kg 85.6 91.5 89.2 99.6 93.5 92.3 94.6 89.9
Available Nitrogen
kg/ha 200.3 202.4 188.0 175.3 188.2 213.0 175.5 162.9
Phosphorous (as P)
kg/ha 7.12 6.86 6.56 6.49 5.88 6.14 7.01 6.19
Potassium (as K) kg/ha 268.6 274.9 275.5 212.5 244.2 268.1 255.2 229.7
Iron (as Fe) mg/kg 3.5 4.2 3.75 4.65 3.82 4.13 4.02 3.33
Zinc (as Zn) mg/kg 0.65 0.55 0.73 0.82 0.79 0.90 0.88 0.69
Copper (as Cu) mg/kg 0.52 0.63 0.65 0.64 0.55 0.61 0.49 0.57
Sodium mg/kg 31.8 32.3 34.6 33.5 36.9 30.2 29.6 36.2
Manganese (as Mn)
mg/kg <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Total Chromium (as Cr)
mg/kg <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Nickel (as Ni) mg/kg <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02
Cadmium (Cd) mg/kg <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05
Lead (as Pb) mg/kg <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Sodium Adsorption Ratio
- 2.79 2.54 2.70 2.55 2.88 2.78 2.58 2.84
Inference
All the samples having pH in range of 7.62 to 8.04
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Conductivity of the samples is in between 459.8 to 678.4 mho/cm. Village Upalve
has the highest conductivity value.
NPK concentration in all the soil samples are in the range of 162.9 to 200.3, 5.88 to
7.12 and 212.5 to 275.5 kg/ha respectively.
Soil Organic Matter also acts the major sink and source of soil carbon. The
concentration of the organic matter in the soil is 0.76 to 0.97 %.
Heavy metals like Copper, Cadmium, Lead, Boron, Chromium, Manganese, and
Molybdenum are not detected in all the samples.
Overall it is observed that the soils of the region are good for agriculture
3.14 Ecology Biodiversity
3.14.1 Flora
The floral and faunal studies were conducted in the month of May 2018 for the entire
project area covering 10 km radial distance from the project site. The sites for terrestrial
and aquatic ecology sampling were identified during the reconnaissance survey and
sampling was carried out thereafter. An ecological study of the ecosystem is essential to
understand the impact of industrialization and urbanization on existing flora and fauna of
the study area. Study on various aspects of ecosystem plays an important role in
identifying sensitive issues for undertaking appropriate action to mitigate the impacts, if
any.
The present study was under taken as a part of the EIA study report to understand the
present status of ecosystem prevailing in the study area, to compare it with past condition
with the help of available data, to predict changes as a result of project activities and to
suggested measures for maintaining its health.
Methodology
Site visit to study the floral and faunal communities within the study area.
The methodology adopted for faunal survey involves random survey, diurnal bird
observation, active search for reptiles and review of previous studies.
Visual assessment of the diversity pattern of the floral species.
Observation for endemic species, threatened species, if any present in the study
area.
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References used to identify the representative spectrum of threatened species,
population and ecological communities listed by Indian wild Life Protection Act,
1972, ENVIS Database, IUCN Database, Red Data Book. The status of individual
species was assessed using the revised IUCN/SSC category system.
Field reference book namely Common Indian Wild Flower by Issac Kehimkar,
Flowers and Further Flowers of Sahyadri by Shrikant Ingalhalikar and Birds of
Indian Subcontinent by Richard Grimmett are used for the identification of flora
and birds.
Monitoring location & frequency
The baseline study, for the evaluation of the floral and faunal biodiversity of the study
area, with in 10 km radius from the proposed project has been conducted during May,
2018.
Observations during site visit
Tree species name recorded during the site visit and while interacting with local people
which are presented in Table 3.19.
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Figure 3.14: Ecological sampling location
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Table 3.19: Tree species observed during field visit
Sr. No. Common Name Species Name Family
Trees
1. Australian acacia Acacia auriculiformis Mimosaceae
2. Babul Acacia arabica Fabaceae
3. Khair Acacia catechu Fabaceae
4. Chiku Achras zapota L. Sapotaceae
5. Maharukh Ailanthus excelsa Roxb. Simaroubaceae
6. Sirish Albizia lebbeck Fabaceae
7. Sirish Albizia lebbeck Fabaceae
8. Saptparni Alstonia scholaris Apocynaceae
9. Neem Azadirachta indica Linn. Meliaceae
10. Apta Bauhinia racemosa Lam. Caesalpiniaceae
11. Katesawar Bombax ceiba Linn. Bombacaceae
12. Boganvel Bougainvillea spectabilis Willd. Nyctaginaceae
13. Palas Butea monosperma Fabaceae
14. Shankasur Caesalpinia pulcherrima (L.) Sw. Caesalpiniaceae
15. Rui Calotropis gigantea (L.) Ait. Apocynaceae
16. Papaya Carica papaya L. Caricaceae
17. Suru Casuarina equisetifolia L. Casuarinaceae
18. Shisoo dalbergia shishoo
19. Gulmohar Delonix regia Fabaceae
20. Pangara Erythrina indica L. Papilionaceae
21. Nilgiri Eucalyptus tereticornis Myrtaceae
22. Vad Ficus bengalensis Moraceae
23. Ficus tree Ficus benjamina Moraceae
24. Peepal Ficus religiosa Moraceae
25. Silver Oak Grevillea robusta Proteaceae
26. Jasvand Hibiscus rosa-sinensis L Malvaceae
27. Waval Holoptelea integrifoli Ulmaceae
28. Nil Mohor Jacaranda acutifolia Bignoniaceae
29. Subhabul Leucaena latisiliqua (L.) Mimosaceae
30. Amba Mangifera indica Anacardiaceae
31. Indian Cork Millingtonia hortensis Bignoniaceae
32. Shevaga Moringa oleifera Lamk Musaceae
33. Singapore Cherry Muntingia calabura Muntingiaceae
34. Kaner Nerium indicumMill Apocynaceae
35. Parijatak Nyctanthes arbor-tristis Linn. Oleaceae
36. Copperpod Peltophorum pterocarpum Fabaceae
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37. Shindi Phoenix sylvestris Roxb Arecaceae
38. Avala Phyllanthus emblica Phyllanthaceae
39. Vilayati chinch Pithecelobuim dulce Mimosaceae
40. Yellow chafa Plumeria alba L. Pandhara Apocynacea
41. Red Cafa Plumeria rubra L. Apocynacea
42. Karanj Pongamia pinnata (L.) Pierre Leguminosae
43. Saundad (Shami) Prosopic spicigera Fabaceae
44. Peru Psidium guajava L. Myrtaceae
45. Castor Ricinus Communis Euphorbiaceae
46. Rain tree Samanea saman Mimosacea
47. Chandan Santalum album Santalaceae
48. Kasid Senna siamea Fabaceae
49. Pichakari Spathodea campanulata Bignoniaceae
50. Jamun Syzygium cumini Myrtaceae
51. Jambhul Syzygium cumini (L.) Skeels Myrtaceae
52. Tagar
Tabernaemontana divaricata (L.) R.Br Apocynaceae
53. Chinch Tamarindus indica Fabaceae
54. Teak Tectona grandis Lamiaceae
55. Desi badam Terminalia catappa L. Combretaceae
56. Ran Bhendi Thespesia populnea Malvaceae
57. Nirgudi Vitex negundo L. Lamiaceae
58. Ghati Bor Ziziphus xylopyrus (Retz.) Willd. Rhamnaceae
Shrub
59. Duranta Duranta repens L. Verbenaceae
60. Tulsizara Stachytarpheta indica Verbenaceae
61. Morpankhi Biota oriantalis Endl.(L.) Cupressaceae
62. Jaswandi Hibiscus rosa-sinensis L. Malvaceae
63. Dhaman Grewia tilifolia Tiliaceae
64. Nivdung Opuntia elatior Mill Cactaceae
65. Dhotra Datura fastuosa Solanaceae
66. Ghaneri Lantana camara Verbenaceae
67. Lokhandi Ixora coccinea Ixoroideace
68. Madhumalati Combretum indicum Combretaceae
Herbs
69. Tulas Ocimum sanctum L. Lamiaceae
70. Chitrak Plumbago zeylanica Plumbaginaceae
71. Gokhru Tribulus terrestris Zygophyllaceae
72. Kardu Celosia argentea L. Acanthaceae
73. Sadafully Catharanthus roseus Apocynaceae
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74. Takla Cassia tora Fabaceae
75. Unhali Tephorsia villosa Fabaceae
76. Tarwad Cassia auriculata L Caesalpiniaceae
77. Aboli Crossandra infundibuiformis L. Acanthaceae
78. Ekdandi Tridax procumbens Acanthaceae
79. Congress grass Parthenium hysterophorus L. Asteraceae
80. Pivala Dhotra Argemone mexicana L. Papaveraceae
81. Aghada Achyranthes aspera Amarantaceae
82. Asthma Euphorbia hirta Euphorbieaceae
83. Gokarna Clitoria ternatea L. Fabaceae
84. Kate koranti Barleria prionitis L Acanthaceae
Climbers
85. Utaran Pergularia daemia Araceaeae
86. Kartoli Momordica dioica Cucurbitaceae
87. Gulvel Tinospora cordifolia Menispermaceae
88. Morvel Clematis gouriana Ranunculaceae
89. Gokarna Clitoria ternatea Fabaceae
90. Shatavari Asparagus racemosus
Grasses
91. Bamboo Bambusa vulgaris Mimosaceae
92. Durva Cynadon dactylon Poaceae
93. Marvel Dichanthium annulatum Poeceae
94. Pandhri-kusal Aristida funiculata Poaceae
95. Kunda Ischaemum pilsum Poeceae
96. Kusal Aristida redacta Poaceae
97. Ganesh Vel Ipomoea quamoclit L.,
3.14.2 Faunal Studies
Faunal studies were restricted to major groups such as reptiles, birds, and mammals. For
preparation of the checklist of fauna of the project area, direct sightings during various
baseline studies, discussion with local communities regarding presence or absence of
species and literature studies were taken into consideration. The areas reported for the
presence of the species were visited during the day as well as night. Apart from the direct
sightings of the animals during visits, indirect signs such as dry skin, pugmarks, calls, and
droppings were also considered as an indicator for the presence of the species. Field
reference book namely ‘Birds of Indian Subcontinent’ by Richard Grimmett.
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Table 3.20: Faunal species observed during field visit
Sr. No Common Name Scientific Name
Mammals
1 Squirrel Funambulus palmarum
2 Indian Grey Mongoose Herpested edwardsil
3 Common Cat Felis silvestris catus
4 Cow Bos primigenius
5 Domestic Buffalo Bubalus bubalis
6 Goat Capra hircus aegagrus
7 Common Dog Canis lupus familiaries
Amphibians/ Reptiles
1 Common Garden Lizard Calotes versicolor
2 Fan throated Lizard Sitana ponticeriana
3 Monitor Lizard Varanus bengalensis
4 Indian Bull Frog Hoplobatrachus tigerinus
5 Brahminy Skink Mabuya carinata
6 Northern House Gecko Hemidactylus flaviviridis
7 common tree frog Polypedates leucomystax
8 Indian bullfrog Rana tigrina
9 Common Indian toad Bufo melanostictus
10 Brook’s Gecko Hemidactylus brookii
11 Blind Snake Ramphotyphlops braminus
12 Cobra Naja naja
13 House Gecko Hemidactylus brooki
14 Rock Lizard Psmmophilus blanfordanus
15 Common Garden Lizard Calotes versicolor
Butterfly
1 Common Grass Yellow Eurema hecabe
2 Common Indian Crow Euploea core
3 Red Pierrot Talicada nyseus
4 Blue Mormon Papilio polymnestor
5 Blue Pansy junonia orithya
6 Chocolate Pansy Junonia iphita
7 Common Evening Brown Melanitis leda
Dragon flies and Damselflies
1 Senegal Golden Dartlet Ischnura senegalensis
2 Yellow Bush Dart Copera marginipus
3 Ditch Jewel Brachythemis contaminata
4 Crimson Marsh Glider Trithemis aurora
5 Long legged Marsh Skimmer Trithemis Pallidinerries
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Table 3.21: Ave species observed during field visit
Sr. No. Common Name Scientific Name
1. Painted Partridge Francolinus pictus Least Concern
2. Black Kite Milvasmigrans NA
3. Cattle egret Bubulcus ibis NA
4. Indian robin Saricoloides fulicata NA
5. Little cormorant Phalacrocoras niger NA
6. Jungle crow Corrus macrorhynehw NA
7. Darter Anhinga Melanigaster NA
8. Pond heron Ardeola gragisi NA
9. River turn Sterna auranta NA
10. Cotton teal Etapus coromandelisanus NA
11. Kingfisher Halcyon Pisteata NA
12. Grey heron Ardea cinerca NA
13. Purple sunbird Nectarinia asiatica Least Concern
14. Baya Weaver Ploceus philippinus Least Concern
15. Blue rock pigeon Columba livia Least Concern
16. Myna Acridotheres tristis N.A.
17. Indian Grey hornbill Ocyceros birostris Least Concern
18. Brahmini Kite Haliasture Indus N.A.
19. Crow Corvus Splendens Least Concern
20. Pond Heron Ardeola Grayii Least Concern
21. White breasted water hen Amaurnis Phoenicurus N.A.
22. Red Vent Bulbul Pycnonotus sps. N.A.
23. Red whispered Bulbul P.Jocosus N.A.
24. Magpie Robin Copsychus saularis Least Concern
25. Tailor Bird Ortomus Sutorius N.A.
26. Purple Sun Bird Nectarina Asiatica N.A.
27. Little Green Bee Eater Merops Orientalis Least Concern
28. Rose ringed parakeet Psittacula Krameri Least Concern
29. Barn Owl Halcyon chloris Least Concern
30. Kingfisher Alcedo atthis Least Concern
31. Lark Alaudidae Least Concern
32. Coppersmith barbet Megalaima haemacephala Least Concern
33. Green bee-eater Merops orientalis Least Concern
34. Pied bush chat Saxicola caprata Least Concern
35. Black drongo Dicrus adsimilis NA
36. Common swallow Hirando rustica NA
37. Koel Eudynamys scolopacea Least Concern
38. Large Indian parakeet Psiltacula eupatria NA
39. Shrike Disambiguation NA
40. Hoopoe Upupa epops Least Concern
41. Crow pheasant Centropus cinensis NA
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3.14.3 Cropping Pattern
Agriculture is the main occupation in the district. About 65 percent of population in the
area engaged in agricultural and related activities. Grain crops, Jawar, Bajara, Soybean,
and to the some extent sugar-cane are grown on a large scale in the district. Sugarcane is
largely cultivated in irrigated area. Diversified from of agricultural, in term of cultivation of
crops, is the main feature of the area, Soybean, Bajara, Rabi Jawar, Kharif Jawar, Pulses,
Wheat, Sugarcane ,etc are important crops of the areas
Table 3.22: Major Crops of the region
Sr. No. Crops
1. Wheat
2. Jawar
3. Bajara
4. Maize
5. Other cereals
6. Total pulses
7. Total food grains
8. Sugarcane
9. Oilseeds
10. Turmeric spices
11. Vegetables and Misc.
12. Rice
Fruit Crop
13. Grape
14. Pomegranate
15. Mango
16. Banana
17. Coconut
18. Custard Apple
19. Lemon
Interpretation
The vegetation of the area is deciduous type along with open scrub land. As per the
ecological studies conducted it can be seen that the study area shows extreme species
diversity. Total 97 floral species recorded & no RET floral species is reported in the study
area. The most abundant species in the study areas are, Acasia Sp. Azadirachta indica
Linn., Agave cantula Roxb, Cynodon dactylon (L.) Pers., Heteropogon triticeus (R.Br.),
Syzygium cumini (L.) Skeels, Pongamia pinnata (L.) etc.
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Seven species of Mammals, 12 species of Amphibian & 3 Reptiles and 41 species of birds
were recorded in and around the periphery of the project during the study period.
3.15 Socio-economic Environment
In order to study the socio-economic aspects of the communities living in and around
proposed project, the required data has been collected from the publications of Census
Department, (2011 Census) Government of India.
The growth of any economy is dependent on various factors which include availability of
natural resources, presence of feasible climatic conditions, skilled man-power,
infrastructural support and a steady orientation and research towards growth and
development. A vast range of developmental projects have been carried out in the
country. Their sole purpose has been improving the living conditions of the citizens.
All developmental activities are primarily centered on human development. However,
when a country needs to grow in terms of its industrial and technological standing,
infrastructural development is necessary. Infrastructure ranges from providing resources
to employing sets of skilled manpower for obtaining the desired results. All these
elements when balanced at an international level bring about global development.
At a local level when such activities are to be scoped socio-economic surveys play a key
role. They not only emphasize the individual standing of a community but also delineate
the possible socio-economic outcomes of any project. They include all the elements; from
the conditions of the people living in that area to their working status. When
developmental activities are about to occur in any area the socio-economic standing of
the locality comes to the forefront.
A socio-economic survey highlights all the characteristics that jointly constitute a
community.
To conduct this study both primary and secondary data sources are used. The methodology
applied for primary data collection is as follows
Sampling Method
A purposive random sampling method has applied for selection of respondents from
various sections of the society. Before that about 27 villages within the study area were
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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122 MITCON Consultancy & Engineering Services Ltd.
chosen and data is collected from various respondents i.e. farmers, teachers, labors, etc.
The purposive random sampling method is helpful to choose right samples for the study.
Data Collection Method
In order to assess and evaluate the likely impacts arising out of any developmental
projects on socioeconomic environment, it is necessary to gauge the apprehensions of the
people in the project area. For the process of data collection through primary and
secondary sources, following methods are used
Field survey and observations
Field Survey and Observations is made at each sampling village and the quality of life of
that region is studied. The census data is collected from census department. A thoughtful
questionnaire is prepared and during survey the questions were asked to the respondents
and given information is recorded.
Interview Method
The interview method has the advantage that almost all perfect sample of the general
population can be reached and respond to the approach. Interview method helps to
collect more correct and accurate information as the interviewer is present during the
field survey. The respondents were asked for their awareness/opinion about the region
and also of their opinion about the impacts of the proposed project area which is an
important aspect of socio-economic environment, viz. job opportunities, education, health
care, housing, transportation facility, and economic status.
The salient observations recorded during survey in the study area:
Majority of the respondents are engaged in Cultivation activity while near about
50% of the population are engaged in agricultural and its allied activities. The main
crop grown in the study area is Sugar cane, Rice, Jawar, Ground nut etc.
Sanitation facilities are unsatisfactory in the study area. There are open drains
from where the domestic waste water is disposed. People are not at all aware and
careful about hygiene and cleanliness, this has resulted to increase of health
problems in the area
Power supply facility is available in almost villages and town in the study area
mostly for domestic purpose
Drinking water sources is mostly from wells and hand pump. As regard to the
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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drinking water facility
Medical facilities in terms of primary health center and primary health sub centers
in the rural areas are good. The hospitals are available, have very good facilities.
Doctors and nurse visit the villages for providing medical treatment.
Transportation facility is seen very satisfactory in the study area because the road
conditions are very good and satisfactory.
Almost all the people use Kerosene, LPG as a main source of fuel and few people
use wood for cooking purpose
Sufficient communication facility are available in the study area
Educational facilities are available in the form of primary and middle schools. In
some villages, it is extended up to high school. For higher studies people avail the
facility from the nearest town
Houses of the region are mostly puccha house
Awareness among the people regarding the study region project is poor
3.15.1 Demography of the Taluka
Dynamics of population is one of the prime aspects in environmental studies. The
demographic attributes such as population growth, population density and its
distribution, sex composition, etc. are used to understand the condition of the region.
In this phase basic population aspects are studied. The available data is tabulated and
graphical presentation is made to understand the things better way. The above given
figure depicts total population of the study area for year 2001 and 2011. It also
represents the change in population during 10 years’ time period. It is noticed that the
population is increased from 0.81% and maximum up to 11.79 %.Another important
aspect of demography is composition of male female population. In the study area the
count of female is low as compare to male. The population of SC is very high as
compare with ST population. Only in village Walwa the count of ST population is near
about equal to SC population.
Walwa Taluka of Sangli district has total population of 456,002 as per the Census 2011.
Out of which 235,160 are males while 220,842 are females. In 2011 there were total
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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124 MITCON Consultancy & Engineering Services Ltd.
94,554 families residing in Walwa Taluka. The Average Sex Ratio of Walwa Taluka is
939.
As per Census 2011 out of total population, 22.9% people lives in urban areas while
77.1% lives in the Rural areas. The average literacy rate in urban areas is 86.4% while
that in the rural areas is 84.9%. Also the Sex Ratio of Urban areas in Walwa Taluka is
949 while that of Rural areas is 936.
The population of Children of age 0-6 years in Walwa Taluka is 46296 which is 10% of
the total population. There are 25626 male children and 20670 female children
between the ages 0-6 years. Thus as per the Census 2011 the Child Sex Ratio of Walwa
Taluka is 807 which is less than Average Sex Ratio ( 939 ) of Walwa Taluka.
The total literacy rate of Walwa Taluka is 85.21%. The male literacy rate is 81.39% and
the female literacy rate is 71.41% in Walwa Taluka.
Table 3.19: Demography at a Glance within 10 km Study Area
Sr. No. Demographic parameters Details
1. Number of villages 26
2. Total no. of residential households 55055
3. Total population 264673
4. Sex ratio (female per thousand male) 936
5. Literates (%) 86.1481
6. Main workers (%) 63244
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Figure 3.15: Village map of 10 km study area
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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126 MITCON Consultancy & Engineering Services Ltd.
Table 3.20: Village’s wise demography at a glance within 10 km Study Area
Sr. No.
Name
No of Household
Population Scheduled Caste
Scheduled
Tribe Literate %
Total worker
Total Male Female
1. Borgaon 2,208 11,229 5,746 5,483 1,234 64 84.45 654
2. Satapewadi 144 679 351 328 20 0 86.17 282
3. Ghogaon 501 2,315 1,210 1,105 506 0 86.73 1,046
4. Dudhondi 1,513 7,435 3,795 3,640 1,093 39 83.70 2,954
5. Pundiwadi 106 556 278 278 0 0 91.04 183
6. Kundal 3,765 18,287 9,432 8,855 1,744 164 86.51 6,812
7. Palus 5,379 26,151 13,729
12,422 2,851 162 87.74 9,410
8. Nagrale 589 3,181 1,597 1,584 386 10 86.66 1,065
9. Burli 1,266 5,850 3,060 2,790 586 13 86.55 2,634
10. Amanapr 1,132 5,599 2,859 2,740 433 22 87.57 2,277
11. Shirgaon 248 1,004 497 507 132 1 79.80 618
12. Uran-Islampur
14,376 67,391 34,435
32,956 82486 - 87.88 -
13. Walwa 4,039 19,612 10,187
9,425 1,317 - 83.05 8,685
14. Kameri 2,158 10,477 5,399 5,078 1,216 11 90.59 4,548
15. Tujapur 402 2,006 1,058 948 259 5 88.18 830
16. Gatadwadi 327 1,586 847 739 19 84.71 837
17. Bavchi 1,687 8,570 4,535 4,035 1,076 38 87.16 4,055
18. Pokharni 368 1,727
898 829 358 86.54 1,136
19. Phalkewadi- Chandachiwadi
330 1,598 807 791 6 8 87.26 714
20. Ashta 7,709 37,105 19,171
17,934 - - 83.60 -
21. Mirajwadi 507 2,320 1,211 1,109 268 6 83.40 1,008
22. Mardawadi 376 1,897 1,019 878 83 0 85.22 973
23. Bhilwadi 2,130 9,551 4,974 4,577 1,222 51 85.68 4,202
24. Ankalkhop 1,972 9,706 5,055 4,651 1,547 48 87.48 4,400
25. Nagthane 1,363 6,575 3,406 3,169 973 70 84.80 3,118
26. Padavalwadi 460 2,266 1,152 1,114 101 0 89.77 803
3.15.2 Health status
As per the National Health Policy (1983), Primary Health Care has been accepted as main
instrument for achieving this goal of development and strengthening rural health
infrastructure through a three-tier system, viz., Primary Health Centre (PHCs), Sub Centres
and Community Health Centre, which have been established.
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During discussion with the supervisor of PHC of the region it has been revealed that the
general prevailing diseases in the region are Gastroenteritis, Diarrhea, hypertension, Fever
and Malaria. Cough, cold, viral fever, diabetes, hypertension, and tuberculosis are the
common diseases prevalent in the study area. Every Primary health centre organizes
immunization camp, pulse polio camp, eye camp, ANC and PNC clinic and respiratory
clinic.
3.15.3 Cultural and aesthetic attributes
All most all villages have temples in their villages. All people celebrate all Hindu festival
commonly few villages celebrate grand yatra and puja in their villages. Villagers celebrate
Ganesh chaturthi, Shiv Jayanti, Hanuman Jayanti and Gram Dev puja. Proposed project
don’t disturb any cultural and aesthetic environment in study area.
3.15.4 Infrastructure resource base
The infrastructure resources base of the study area with reference to education, medical
facility, water supply, post and telegraph, transportation and communication facility and
power supply etc are available in the area. The infrastructure resources details have been
abstracted from village Directory CD 2011 of Maharashtra State and are described below:
Education: Educational facilities are available in all of the villages in the study area.
Literacy rate of the study area is quite good that is about 80 %. Primary, Middle and
Higher schools are available in the villages. College facility is available in nearby town.
Female literacy is good; people attitude regarding female education is good.
Drinking Water: The water supply in the region is mostly through wells and hand pumps.
For drinking purpose people are using only ground water supply, but very few hand pumps
are available for drinking water.
Communication and Transportation: Transportation is to the satisfactory level in the
villages. Bus service is available in all most all villages. The roads condition is good and also
properly maintained. Most of the villages in the study area have the communication
facility i.e. post office at village. Private telephone connections in most of the villages.
Power Supply: Almost all villages are electrified in the region and electricity is available for
domestic purpose in all the villages while power supply used for agricultural purpose is
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rare.
Medical/Primary Health Care: Medical facilities in terms of; primary health center and
primary health sub centers are adding medical facility in the villages. Primary Health
Centre in the study area is available at a distance of 0-5 km in the villages & primary health
sub centers are also available in most of the village. Community Health worker & doctors
visit villages periodically & provide health facilities to the people. Vaccination & health
camps are also organized by PHC to aware the people about family planning, hygiene, &
health care.
Observation
The salient observations recorded during survey in the study area:
Majority of the respondents are engaged in agriculture activity and its allied activities.
The main crop grown in the study area is Sugarcane
Sanitation facilities are unsatisfactory in the study area. There are open drains from
where the domestic waste water is disposed. People are not at all aware and careful
about hygiene and cleanliness, this has resulted to increase of health problems in the
area.
Power supply facility is available in almost villages and town in the study area mostly
for domestic purpose.
Drinking water sources is mostly from gram Panchayat water supply also from wells
and hand pump. As regard to the drinking water facility people expressed that the
quality of river water is poor.
Medical facilities in terms of primary health center and primary health sub centers in
the rural areas are good. The hospitals are available, have very good facilities. Doctors
and nurse visit the villages for providing medical treatment. Primary Health Center
Islampur also started emergency ward for casualty
Transportation facility is seen very satisfactory in the study area because the road
conditions are very good and satisfactory
People awareness about the factory and its operation is good. Villagers do not have
any problem from Karkhana operation.
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3.16 Existing industries in the study area
1. Rajarabapu Patil Sahakari S. Karakhana Sakhrale - 15 Kms.
2. Kranti Sahakari Sakhar Karakhana Ltd. Kundal - 25 Kms.
3. Vasantdada Shetkari Sahakari Sakhar Karkhana Ltd. - 35 Kms.
4. Sonhira Sahakari Sakhar Karakhana Ltd.Wangi - 40 Kms.
5. Vishwas Sahakari Sakhar Karakhana Ltd. Chikhali - 40 Kms.
3.17 Conclusion
All the basic facilities like road and rail connectivity, medical and educational facilities and
other required basic facilities are available in and around the project site to some extent.
Due to upcoming proposed project, there will be additional requirement of facilities by
the employees of the project. Hence, to fulfill the demand of the area and also to have
proper and timely service for other activities for the project, there will be overall
development of the area, district and state and therefore of the country.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER IV: ANTICIPATED ENVIRONMENT IMPACT AND
MITIGATION MEASURES
This chapter deals with the prediction and evaluation of impacts resulting from the proposed project activity. Predictions are superimposed over baseline environmental status to derive ultimate environmental scenario. The impact of the proposed sugar mill, cogeneration power plant, and distillery plant has been considered and discussed in this chapter.
4.1 Identification of the Impact
Both beneficial (positive) and adverse (negative) impacts on various components of
environment due to proposed expansion are identified, based on the nature of the various
activities associated with the proposed project operations. Environment impact analysis
gives an indication of ways to consider modeling the project to mitigate adverse impacts
through best practicable environmental option or alternate processes.
Based on the present environmental scenario and baseline data, an exercise has been
done to identify and evaluate the impact on the environment of the study area due to the
proposed project.
This “significant effect” is required to be neutralized to a level of “insignificance”. This can
be brought about by various tools like: in plant measures, segregation, environment
friendly process and collectively termed as pollution control say by providing Effluent
Treatment Plant (ETP) and Emission Control Equipment’s (ECE) etc.
Predictions are superimposed over baseline environmental status to derive ultimate
environmental scenario. The impact of the existing as well as proposed unit has been
considered and discussed in this chapter.
“Environmental Impact” refers to the alteration of environmental conditions or creation of
a new set of environmental conditions, adverse or beneficial, caused or induced by the
action or set of actions under consideration. Both the beneficial (positive) and adverse
(negative) impacts on various components of environment due to proposed Project are
identified, based on the nature of the various activities associated with the proposed
project operations. Environment impact analysis gives an indication of ways to consider
modeling the project to mitigate adverse impacts through best practicable environmental
option or alternate processes.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Based on the present environmental scenario and baseline data, an exercise has been
done to identify and evaluate the impact on the environment of the study area due to the
proposed project.
The proposed project may influence the environment of the area in two phases:
Phase I: During the Construction period, the impact may be temporary or short term
Phase II: During the Operation Phase which may have long term effects.
4.1.1 Phase I
The construction phase of the project is expected to last for about one year. Hence, all
construction impacts on the environment can be considered short term as compared to
the operational impacts. During construction stage, excavation, material storage and
movement, vehicular movement, mixing operation etc. will generate fugitive dust
pollution and vehicular emissions at the project site. However, by taking appropriate
measures as described in EMP, such impacts will be minimized.
The following activities among others are likely to contribute towards impacts on the
surroundings during construction phase:
Site preparation and development
Civil construction work
Vehicular movement
Loading and unloading civil items and plant machineries
On site storage of civil items & plant machineries.
Erection of plant and civil structures
Maintenance of construction machinery
Disposal of solid wastes
Accommodation for construction workers.
The impacts are likely to primarily affect land use, demography and socio economics, soil
and onsite noise. It could also lead to minor impacts on air and water quality and ecology.
The detailed impacts & mitigation measures have been discussed in the following
sections.
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4.1.2 Phase II
Operational phase activities may have impacts minor or major, positive or negative on
environmental discipline such as soils, surface and ground water hydrology, micro
meteorology, land use, water use, water and air quality, ecology, socio economics and
noise environment.
The important activities contributing to environmental impacts, either adverse or
beneficial are as follows:
Water Consumption
Handling of Molasses (to be used as raw material)
Spent wash
Operation of Machineries.
The operational impacts in this study have been evaluated. The changes over the existing
baseline quality of relevant environmental parameters as a result of the activities causing
impacts due to operation have been predicted using suitable mathematical models
coupled with qualitative or quantitative predictive techniques. After evaluation of the
changes in relevant parameters, the consequential impacts on various aspects of the
environment have been discussed.
4.1.3 Environmental parameters to be consider
Impacts are identified during construction and operation phase. Below mentioned
environmental parameters are considered while identifying the impact.
Air Environment
Sources, ambient air quality, emission control, environment and health effects
Water Environment
Sources, water & wastewater quality, environment, and health effects
Noise Environment
Sources, control measures, environment and health effects
Soil/ Land Environment
Land use, change in land use pattern, pollution sources, soil quality change,
environment and health effects
Biological Environment
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Flora and fauna of the study area, vegetation, and habitat change and control
measures
Socioeconomic Environment
Demographical details, economic status, employment status, infrastructure
availability, environment and health effects
Occupational health and Safety Environment
Identification of health hazard due to operation, material handling, exposure of
hazardous chemical, health and safety plan and disaster management.
4.2 Identification of Impact during construction and commissioning
phase
The construction phase of the project is expected to last for about one year. Hence, all
construction impacts on the environment can be considered short term as compared to
the operational impacts. During construction stage, excavation, material storage and
movement, vehicular movement, mixing operation etc. could be affected air quality.
However, by taking appropriate measures as described in EMP, such impacts will be
minimized. The following activities given in matrix among others are likely to contribute
towards impacts on the surroundings during construction phase
Table 4.1: Construction and commissioning phase impact matrix
Environment components
Construction Phase
Project activity Impacts on
Site
cle
arin
g
Site
pre
par
atio
n
Tran
spo
rtat
io
n o
f m
ate
rial
Civ
il/co
nst
ruct
ion
wo
rk
Infl
ux
of
con
stru
ctio
n
wo
rker
s
Resources utilization
Fuel √ √ √
Electricity √ √
Water √ √
Construction material ex. Stone
√
Air Air Quality √ √ √ √ √
Land/ Soil Soil erosion √ √
Contamination √ √
Alteration of Soil √ √ √ √ √
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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properties/ Soil Quality
Land topography √ √ √
Noise Noise pollution √ √ √ √
Ecology Effect on trees, grasses, herbs & shrubs
√ √ √ √
Occupational Health & Hazards
Health √
Sanitation √
Generation of temporary and permanent Jobs
√ √ √ √
4.2.1 Impacts on Air Quality
The impacts on the ambient air quality during construction phase will be temporary and
restricted to project site. The main sources for impact of air quality during construction
period is due to movement of vehicles and construction equipment at site, dust emitted
during leveling, foundation works, transportation of construction material etc. Dust would
be generated during activities such as loading and unloading of construction materials, top
soil removal, movement of vehicles over dusty roads and air born dust from exposed
project site. Hence, during the construction phase, suspended particulate matter PM10 &
PM2.5 will be the main pollutant. The emissions from vehicles and construction
equipment may also contribute to NOx and SO2.
Activities
Leveling, grading, earthworks, foundation works and other construction related
activities
Transportation
Impacts
Minimal increase in SO2, NOx, PM
Dust accumulation on trees affect growth of plants
Health problems to construction workers Ex. eye irritation, coughing & sneezing
Proposed mitigation measures
PUC holder trucks will be allowed.
Water sprinkling will be carried out in dust emission area.
Use of Tarpaulin on the trucks to suppress the dust.
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Use of Personal protective equipment’s will be provided to workers as and when
required
4.2.2 Impacts on Noise Quality
The major sources of noise during the construction phase are vehicles and construction
equipment like dozers, scrapers, concrete mixers, cranes, pumps, compressors, pneumatic
tools, saws, vibrators etc. The operation of these equipment’s can generate noise levels in
the range 85-90 dB (A) near the source. These noises levels will be temporary during the
day time only hence will not have any significant impact on surrounding during
construction phase.
Activity
Excavation
Loading and unloading, fabrication etc.
Equipment and materials Handling
Impacts
High noise level leads to disturbance to immediate surrounding i.e. workers,
biological and social environment.
Biological environment i.e. Birds, reptiles are sensitive to high noise level. Continuous
exposure of high noise level sometimes leads to Hearing defects, physical and mental
retardation.
Proposed mitigation Measures
Noise pollution during construction phase is temporary and restricted to project
boundary only
Noise from Vehicular movement will be within the limit by implementing the policy of
maintenance of Vehicles and PUC.
Peak hour traffic shall be avoided.
Daytime transportation shall be allowed to reduce the impacts of increased noise
The construction equipment / machineries shall be turned off when not in use
Loud horn of vehicles will not be allowed at project area.
Regular maintenance & lubrication of construction equipment & machineries will be
undertaken to reduce the noise generation.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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All rotating parts of construction machinery will be well lubricated
Use of Personal Protective Equipment (PPEs) like ear muff, ear plug.
Overall, the impact of noise generated on the environment is likely to be insignificant,
reversible, and restricted to plant boundary.
4.2.3 Impacts on water quality
Due to construction activities, the surface run-off during rainy season may contain more
of eroded soil and other loose matter. With segregation of construction area and proper
drainages, the water contamination is prevented. As far as possible, construction activities
will be avoided during rainy days.
Activity
Domestic activity
Runoff from construction activity during rainy season
Stagnation of sewage and construction waste water if any
Impacts
Sewage generation maximum 15-20 CMD from construction labor (30-50)
Disposal of untreated sewage will causes ground pollution & foul odor in the area.
Surface run-off pollute/ alter the other end
Stagnant water attracts flies, mosquitoes, and growth of water hyacinth.
Proposed mitigation Measures
Facilities like toilets, wash rooms are available with existing factory.
Generated sewage 15-20 CMD will be send to septic tank followed soak pit
The earth work will be avoided during rainy season and will be completed during the
winter and summer seasons only.
The green belt in and around plant will be undertaken during the monsoon season
which helps to avoid soil erosion.
4.2.4 Impacts on Land
Activities
Leveling, excavation, grading, earthworks, foundation works and other construction
related activities
Resources utilization
Transportation
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Waste water and solid waste from construction activity
Impacts
Loss of fertility of top soil and will change the natural terrain. Fertile soil and nature
of terrain supports associated living of organisms. Change in land cover affects the
specific niche of the organism.
Excavated top soil will be reused for backfilling and in green belt development.
There will be tree cutting as proposed land is vacant land plot with scrubby
vegetation.
Construction debris pollute aesthetics environment & human health.
Spillage & leakage of fuel spill on land may alter the soil property and wash away
with the surface runoff.
Untreated sewage and garbage disposal on land may alter physical and chemical
properties of soil. Open dumping or improper disposal of sewage and garbage
provides breeding ground for pathogenic bacteria and other creatures which may
spread diseases.
Proposed mitigation measures:
Activities during construction and changes due to that shall be of short duration with
no much impact. Excavated soil will be reused for backfilling and landscape
development.
Spillage & leakage of fuel will be prevented by providing well lined/ paved area for the
works having potential of leakage/ spillage of fuel or material. Hence contamination of
land due to spillage/ leakage of fuel or construction material with soil would not arise.
Sewage generation will be very minor and will not cause harmful effect on land.
Infrastructure facilities like use of toilet, canteen are available with existing factory.
The packaging materials like wooden boxes and jute wrappers will be stored and
disposed of properly.
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4.2.5 Impacts on biological environment
There is no wildlife sanctuary/national park/eco-sensitive area/protected area come in 10
km radius study area. Hence project would not have adverse impact on the wildlife. There
will not be any tree cutting involved. Proposed expansion area is within existing factory
premises. Expansion area is a vacant plot with scrubby vegetation. Hence, construction
work will not be have any impact on terrestrial/aquatic eco-system.
Activity
Site Clearance
Impacts
Loss of grass species
Soil erosion
Proposed mitigation measures:
Development of thick green belt.
Indigenous, local, nesting, tress while development of green belt
4.2.6 Impacts on Socio-economics
Proposed expansion will be in the existing sugar factory premises; hence there are
no any rehabilitation problems.
Increase in floating population.
Increase in demand of ancillary services including hotels, lodges, retail shops,
banks, automobile workshops, school, health care centers, public transport and
other logistics services. This will help in upliftment of local people in terms of
economy and social welfare
Economic upliftment of the area.
Rising of home rents, land prices and increase in labour rates.
Benefits due to the civil construction and transportation companies to the local
people
The local population will have employment opportunities due to the proposed
project. The local people will be preferred as laborious during the construction
phase
Local people shall be given preference for employment depending on their
qualification
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All the applicable guidelines under the relevant Acts and Rules related to labour
welfare and safety shall be implemented during the construction phase;
The contractor shall be advised to provide fire wood/kerosene/LPG to the
workers to prevent cutting of nearby trees
4.2.7 Occupational health and safety
Construction activities involved many health & safety issues.
Activity
Storage of hazardous material/ chemicals ex. diesel, petrol etc.
Working at height
Site sanitation
Working without protective equipment and/or safety belt
Impact
Accident like falling, improper safety
Fire & explosion causes risk to human health
Proposed mitigation measures:
Use of personal protective equipment’s.
Safety trainings will be conducted
Safety instructions will be placed.
Emergency preparedness plan will be implemented from construction phase
Sign boards such as safety, isolated area, risk prone area will be placed
4.3 Identification of impact during operation phase
Operational phase activities may have impacts minor or major, positive or negative on
environmental discipline such as soils, surface and ground water hydrology, micro
meteorology, water use, water and air quality, ecology, socio economics & noise
environment.
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Table 4.2: Operation phase impact matrix for cumulative impact assessment
Environment components
Operation Phase
Activities Impacts on
Man
ufa
ctu
rin
g
Bo
iler
op
erat
ion
Sto
rage
of
raw
mat
eri
al &
P
rod
uct
s
Fugi
tive
an
d S
tack
em
issi
on
s
Effl
uen
t ge
ner
atio
n
Solid
dis
po
sal
Traf
fic
Ru
no
ff
Gre
en b
elt
dev
elo
pm
en
t
Resources utilization
Fuel √ √
Electricity √ √ √
Water √ √
Air Air Quality √ √ √ √ √ √ √ √
Soil/Land Contamination √ √ √ √
Alteration of Soil properties/ Soil Quality
√ √ √ √ √
Noise Noise pollution √ √ v √ √
Ecology Effect on trees, grasses, herbs & shrubs, fauna
√ √ √ √ √ √
Occupational Health & Hazards
Health √ √ √ √ √ √ √ √ √
Sanitation √ √ √ √
Generation of temporary and permanent Jobs
√ √ √
Major anticipated impacts are
Water resources
Ambient air quality
Noise Levels
Water quality
Impact on flora and fauna
Socioeconomic impacts
Occupational health hazards
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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4.3.1 Ambient Air Environment
Major air emissions are anticipated from bagasse fired boiler & slop fired boiler. Other
sources of air pollution are material handling, fugitive emissions from storage area. Major
activities and its impact on air environments are depicted below,
Activity
Utility emissions from boiler stacks, DG set.
Existing boilers
1 No. D.G. Set Of 1000 KVA Exist. & 2 Nos. Set Of 1000 KVA Prop which will be
operated in case of power failure only.
Air pollutants like PM10, SO2, NOx, and CO2 & VOC’s will be emitted from
manufacturing process. Types of pollutant emission from Sugar, cogeneration and
distillery unit is given in below,
Table 4.8: Cumulative Pollutant Potential
Sr. No.
Source Pollutant
1. Flue gases from existing 50 TPHX1 and 28 TPHX 2(It
will be demolished)
PM10, SO2 and NOx
2. Flue gases from proposed 220 TPH boiler stack PM10, SO2 and NOx
3. Flue gases from 40 TPH spent wash fired boiler PM10, SO2 and NOx
Dust generation is predicted from conveyors of bagasse, press mud, sugar grader,
sugar drier, boiler ash generation and handling will be suitably covered with hood or
enclosures to control fugitive emissions.
Emission from vehicular movement. Particulate emissions in the project area
envisaged primarily due to emissions from traffic of, which is close to the project site.
During the operation phase of the proposed project, movement of goods vehicles,
loading and unloading operations may contribute to air emission.
Other Air emissions like VOC from distillation columns, CO2, and ethanol from
fermentation process.
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Impacts
Air pollution can causes harmful effect on environment and on living organism. Air
pollutants can be in the form of particulate matter which can be harmful to human
health. Short-term effects include irritation to the eyes, nose and throat, and upper
respiratory infections such as bronchitis and pneumonia. Others include headaches,
nausea, and allergic reactions. Short-term air pollution can aggravate the medical
conditions of individuals with asthma and emphysema. Long-term health effects can
include chronic respiratory disease, lung cancer, heart disease, and even damage to
the brain, nerves, liver, or kidneys. Continual exposure to air pollution affects the lungs
of growing children and may aggravate or complicate medical conditions in the
elderly.
Proposed projects leads to marginal increase in the levels of PM, SO2 and NOx as the
Air Control Equipment- Electrostatic Precipitator will be installed. For exiting unit
Electrostatic precipitator has been already installed.
Emission from vehicular movement leads to increase in PM level
Dust inhalation by workers will results in eye irritation , coughing & sneezing
Dust accumulation affect growth of plants
Nearest village Nagthane at 3 km in E direction and Shirgaon at ~ 1.2 km in NE
direction at downwind direction may get affected due to Failure of APC equipment.
Flue gases and particulate matters may cause health hazard if APC failure persist.
Table 4.9: Stack details
Stack details Sugar Stack for 220 TPH Distillery stack for 40 TPH
Stack Height 72 Mtr. 72 Mtr.
Stack Diameter 4000 mm 3500 mm
Flue gas temp 110oC 150oC
Temperature of exhaust gasses 130oC 180oC
Exist gas velocity 25 m/ sec. 25 m/ sec
Flow rate of flue gas 2080000 416192
Emission rate PM10 0.065 g/s 0.94 g/s
SO2 7.7 g/s 25.6 g/s
NOx emission rate 3.8 g/sec 5.63 g/sec
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Table 4.10: Proximate analysis of spent wash concentrate
S. No. Constituent Spent wash Value % Indian Coal %
1. Moisture Content 47.01 10 - 20
2. Volatile Matter 35.69 16 - 30
3. Ash Content 10.59-15.00 25 - 50
4. Fixed Carbon 6.71 24- 40
5. GCV (kcal/kg) 2000 2800-5000 (Source: Guidelines-Coprocessing-Distillery_Spentwash_in_Cement_Ind.pdf )&
http://www.eecpowerindia.com
Table 4.11: Ultimate analysis of spent wash concentrate
S. No. Constituent Spent wash Value % Indian Coal %
1. Carbon 19.92 30 - 55
2. Hydrogen 2.59 2 - 4
3. Nitrogen 1.35 0.7- 1.15
4. Sulphur 0.96 0.3 - 0.8 (Source: Guidelines-Coprocessing-Distillery_Spentwash_in_Cement_Ind.pdf) &
http://www.eecpowerindia.com
Table 4.12: Composition of Biogas
Content %
CH4 50 to 60 %
CO2 47 to 36 %
H2S 2 to 3 %
H20 1 %
Proposed mitigation measures
Major source of air pollution will the boiler stack. Height of the proposed two stacks
will be 72 m height and the stack height designed on the basis of CPCB guidelines to
ensure proper disposal of gas emissions.
Fugitive emissions from raw material storage yards, loading and unloading operations
will be controlled water sprinkling system, whenever necessary.
Existing stack of 30 m and 40 m will be demolished and new 72 m stack will be installed
with of ESP.
Bagasse is used as fuel, to generate steam in the exiting boilers. Thus, the air pollution
could be mainly due to burning of bagasse in the boilers. Generation of SO2 and NOX
are negligible as sulfur and nitrogen are present in bagasse are present.
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For existing sugar factory, water sprinkling system is provided in strategic area for
control of fugitive emissions.
In existing factory premises Bullock carts, trucks, and tractors are used for
transportation.
All internal roads shall be constructed as tar roads and regular water sprinkling shall be
carried out on all the Kaccha roads for preventing fugitive dust emissions.
Huge tree plantation will be carried out around plant area for minimizing
environmental impacts of the proposed activities over a period of time. Plantation
program shall be designed and a budget should be allocated for this purpose every
year. Total 33% of the area i.e. 20.7 acres is already developed in greenbelt. Moreover,
extensive plantation program is also planned this year.
Online stack emission monitoring machines has been also installed properly.
Factory is maintaining and will be maintain good housekeeping in all units.
Emergency shutdown shall be taken in case of APC failure.
Air modeling
Air emissions from stacks and other sources can cause health and nuisance problems in
the locality. Air Dispersion Modelling predicts emissions from a site and help explore the
effect of various solutions. The air dispersion model will take the stack emissions and
combine these with the weather conditions and effects of topography (hills, buildings etc.)
and then predict the concentration at ground level of the emissions. The concentration of
the substances are then generally compared to the ambient air quality standards.
Methodology
The dispersion modeling studies of proposed pollutant was carried out using AERMOD
version 8.1.0 which is also approved by United States Environmental Protection Agency
(USEPA) and also recommended by the Ministry of Environment, Forests and Climate
Change (MoEFCC).
The AERMOD atmospheric dispersion modeling system
Atmospheric dispersion modeling is the mathematical simulation of how air pollutants
disperse in the ambient atmosphere. It is performed with computer programs that include
algorithms to solve the mathematical equations that govern the pollutant dispersion. The
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dispersion models are used to estimate the downwind ambient concentration of air
pollutants or toxins emitted from sources. They can also be used to predict future
concentrations under specific scenarios.
Prior to air quality modeling exercise, meteorological condition of one season within the
study area was studied. Concentrations were estimated for the critical pollutants over 8 and
24 hours and compared with NAAQS.
Potential Air Environment Impact Assessment
During operation phase, 220 TPH boiler and 40 TPH boilers will be proposed with separate
stack. The main air pollution source are PM and SO2.
Table 4.13: Cumulative impact of Air modeling results at nearest downwind receptor
locations due to proposed boilers (220+40 TPH)
Pollutant Modeling results
Baseline Incremental Total GLC µ
PM10 54.6 0.18 54.78
SO2 14.1 6 20.1
NOx 18.7 1.71 20.41
Figure 4.1: Spatial distribution of 24-hour average PM10 conc. (g/m3)
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Figure 4.2: Spatial distribution of 24-hour average SO2 conc. (g/m3)
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Figure 4.3: Spatial distribution of 24-hour average NOx conc. (g/m3)
Based on the model simulation result under observed meteorological condition, 24
hours average maximum GLC of PM10, SO2 and NOx due to Existing and proposed
boilers are predicted to be approximately 0.18, 6.0 and 1.71 µg/m3 respectively and
occurs at a distance at about 600 m from the common stack location in the east
direction. Spatial distribution of incremental concentrations of modeled pollutants
PM10, SO2 and NOx due to both existing and proposed boilers under conservative
spatial distribution on the major impact zone area 5 km x 5 km on modeling grid size of
100 m x 100 m around the proposed site are shown in Figures 4.1 to 4.3 respectively.
Predicted PM10, SO2, and NOx ground level concentration average over 24 hours due to
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existing boilers, proposed boilers and both existing and proposed along with
background and resultant concentrations at the discrete receptor locations around the
project site is presented in the Tables 4.13. Model simulated result envisages that
incremental ground level concentrations of critical pollutants due to proposed plant
operation may be expected minimal and the resultant concentration level of PM10,
SO2, and NOx pollutants may also be expected well within the NAAQS
4.2.2.3 Impact on traffic density
The transportation shall be carried out by tempos, trucks, and tractors. Hence, additional
impact on air due to vehicular emission for incoming raw material is anticipated.
The site is well connected by pacca internal village roads. Project site is connected to
Gotkhindi-Walwa Road adjacent to the factory, Walwa-Tasgaon Road 0.8 km in NE and
NH4 (Mumbai - Pune - Kolhapur – Goa) is 12 m in SW. Nearest town Islampur is 12 km
away and Sangli 27 km.
Impacts during construction phase
It is anticipated that an overall increase in traffic will occur directly as a
consequence of the proposed construction.
An increase in traffic will occur to and from the project site subsequent to goods
arrival. The temporary traffic impacts are not expected to affect significantly the
local residents since residential development is sparse in the immediate site
vicinity.
During construction phase, approx. 10-20 nos. of vehicle will run daily towards
Distillery unit for carrying construction materials. Construction traffic generation
should be viewed at the most as a temporary inconvenience.
Impacts during operational phase
During operation phase, approx. 120-180 nos. of vehicles will be running.
Present road condition is good with width of 8 m and capacity to carry the number
of vehicle during season. Road will be maintained in good condition.
The trucks carrying coal will be covered, alcohol will be transported in tankers
hence there will not be any fugitive dust/ VOC generation during transportation of
raw materials, fuel, and products.
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Good traffic management system will be developed and implemented for the
incoming and outgoing vehicles so as to avoid congestion on the public road.
The area is earmarked for parking.
4.2.2.2 Impacts on noise quality
Noise levels will be increased during operation phase due to machineries and other
industrial activities. However the impacts of noise during this phase will be restricted to
plant boundary.
Activity
Sugar and cogeneration: Mill house, boiling house, sugar house, bagasse & ash
handballing, power house, steam turbines and, transportation etc.
Distillery: Fans, blowers and compressors, steam turbines etc.
Impacts
Existing quality of noise in the sugar and cogeneration area are given below,
Steam turbines : 75.2 dB
Milling : 76.2 dB
Pan boiling : 72.5 dB
Factory main gate: 59.5 dB
Noise health effects are the health consequences of regular exposure, to
consistent elevated sound levels.
Elevated workplace or environmental noise can cause hearing impairment,
hypertension, ischemic heart disease, annoyance, and sleep disturbance.
Mitigation measures
Vibrating pads & acoustic enclosure will be provided to noise generating equipment
to control noise level within norms.
Latest technology and utmost care will be taken at the time of equipment/
machinery installation.
Lubrication of moving/ rotating part or component of machineries will be done on
regular basis.
The insulation provided for prevention of loss of heat and personnel safety gears
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will also act as noise reducers
Design and layout of building to minimize transmission of noise, segregation of
particular items of plant.
The operator’s cabins (control rooms) will be properly (acoustically) insulated with
special doors with observation windows.
The operators working in the high-noise areas will be provided with ear-muffs or
plugs.
Acoustic enclosures and silencers will be provided to the Equipment wherever
necessary.
Proper green belt will be developed to reduce the noise level.
Thus, it is envisaged that there will not be any adverse impacts of noise. The greenbelt
developed within the premises will have significant beneficial impacts on reduction of
noise within the periphery and outside the boundary.
4.2.2.3 Odor management
Activity
Typical compounds generating odor in sugar industry are acetic acid, ethyl alcohol, /
butyl alcohol, bacterial decomposition of organic matter (stale cane smell) & bacterial
decomposition of sulfur compounds (H2S), NH3.
Causes of odor are stale cane, bad mill sanitation, bacterial growth in the
interconnecting pipes & unattended drains etc.
Typical odor compounds in distillery are molasses storage tank, spent wash, alcohol,
iso amyl & iso butyl alcohol (fuel oils), acetic acid, Sludge from fermentation and ETP
Causes of odor are bad management of fermentation house, long retention of
fermented wash, unattended drains, CPU unit, & ETP.
Impacts
Nausea, insomnia, and discomfort.
Nasal irritation; trigger symptoms in individuals with breathing problems or asthma.
Mitigation measures
Better cane management to avoid staling of sugar.
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Use of mill sanitation bio-cides to minimize the growth of aerobic / anaerobic micro–
organisms.
Steaming of major pipe lines
Proper cleaning of drains
Efficient operation of ETP.
Regular use of bleaching powder in the drains to avoid growth of sulphur decomposing
micro-organisms to control H2S generation.
Better housekeeping by regular steaming of all fermentation equipment’s
Regular steaming of all fermentation equipment.
Use of efficient bio-cides to control bacterial contamination.
Control of temperature during fermentation to avoid in-activation / killing of yeast.
Avoiding staling of fermented wash.
For proposed 70 KLPD distillery operation integrated evaporated followed by
incineration boiler; existing Bio-methanation and Bio-composting will be continue.
Spent wash from evaporation would be in a closed tank and directly send to the
incineration in boiler.
Spent wash storage lagoon has capacity of 5 days; however spent wash is usually
consumed within 2-3 days.
Well planned Greenbelt will be developed in and around the plant premises to
suppress the odor.
4.2.2.4 Impacts on water quality
Direct discharge of untreated sewage & effluent on land, generated from proposed
project will lead to ground pollution as well as soil quality. Various activities their impacts
and mitigation measures for the same has been describes in below mentioned
paragraphs.
Activities
Surface water extraction from river
Effluent generation from distillery, sugar and cogeneration unit
Run off storm water
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Impacts
No negative impacts are envisaged on surface water availability and drawl will be
restricted during lean season. The industry has constructed water storage reservoir of
for use of fresh water during lean season. The reservoir will be also be filled up with
storm water available at the premise.
Sugar factory will not require fresh water for its operation. Distillery and cogeneration
will only require 1250 CMD water during season
Distillery generates huge amount of effluent. Generally, 8-10 L/L of alcohol effluent
will be generated. If effluent is not treated properly before disposal, it will pollute land
and ground water quality and thereby will change the existing characteristics of soil
and water.
Discharge of waste water within & outside plant boundary will leads to the ground
water pollution.
Discharge of distillery effluent loss of soil fertility and deteriorate the soil quality.
Discharge of effluent in the surface water body alters the water characteristics and
may leads to eutrophication of water bodies. Further, its dark color hinders
photosynthesis by blocking sunlight and is therefore deleterious to aquatic life.
Failure in effluent treatment and storage system leads to undesirable changes on living
and nonliving things by means of alteration in environment, which causes health
impact and deterioration of environment. Nearest impact zone which may suffer this
problem are Village Walva, Shirgaon, and Nagthane. However, chances of arising such
situation are very rare. If occurs, plant will be shut down immediately.
Mitigation measures
Total spent wash will be around 840 CMD. Spent wash of 240 CMD from existing plant
is treated through Bio-methanation followed by MEE followed by bio-composting.
Spent wash around 600 CMD from proposed 70 KLPD distillery will be concentration
through integrated evaporation and burnt in incineration boiler.
Process condensate, spent lees, boiler, and cooling tower blow down will be the major
effluent streams. Details of effluent generation and its characteristic are described in
the following Tables.
Process condensate around 616 CMD will be treated in condensate treatment plant.
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Wastewater from Sugar mill will not have significant BOD/ COD levels. All waste water
will be collected in effluent treatment plant and treated water is used for green belt
development/irrigation purpose. The treatment scheme incorporates Aerobic
treatment for the wastewater with state of the art. Domestic wastewater is generated
from the proposed plant, which disposed through Septic tank via Soak pit.
Table 4.14: Summary of effluent generation from existing and proposed distillery, sugar
and cogeneration unit
Sugar
Effluent Source Existing 5000 TCD
Proposed 2500 TCD
Total 7500 TCD
Spray pond overflow 300 150 450
Boiler Blow Down 60.00 84 144.0
Cooling bow down 13.0 7.46 20.46
From machinery & factory floor cleaning 45.00 45 90
From domestic water 40.0 40 80
From D.M. water 8 7 15
Total 466 333.46 799.46
Distillery
Process condensate 186 244 430
Spent less 53 147 200
Spent wash 240 360 600
Total 479 751 1230
Table 4.15: Composition of spent wash from continuous manufacturing process
Sr. No. Parameter Raw spent wash(mg/l) Concentrated spent wash (mg/l)
1. Total volume expected 900 CMD 255
2. Color Dark brown Dark brown
3. pH 4.0 – 4.3 3.8 - 4.3
4. COD 110000 – 130000 2,80,000 - 2,90,000
5. BOD 55000 – 65000 85,000 -95,000
6. Total Solids 130000 - 160000 3,00,000- 3,10,000
7. Chloride (Cl) 6000 – 7500 16,000 -17,500
8. Sulphate (SO4) 4500 – 8500 18,500 - 20,000
9. Nitrogen (TKN) 1000 – 1400 2,000 - 2,500
10. Potassium(K2O) 10000 – 14000 25,000 -28,000
11. Sodium (Na) 1400 – 1500 4,000 -4,500 (IL&FS Technical EIA Guideline manual for Distilleries)
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 4.16: Characteristics of Spent Lees
S. No. Parameter Range
1. Volume 240 CMD
2. pH 3.6 – 4.5
3. COD 5000 - 6000 mg/l
4. BOD 200 – 300 mg/l
5. Dissolved Solids 5000 – 6000 mg/l
6. Suspended Solids 500 – 1000 mg/l
7. Chlorides 50 – 100 mg/l (IL&FS Technical EIA Guideline manual for Distilleries)
Table 4.17: Characteristic of wastewater from cooling tower and boiler blow down
Sr. No Parameter Range
1. Quantity 110-120 CMD
2. pH 8.0-9.0
3. COD 1500
4. BOD 60-70 mg/l
5. Suspended solids 800-1500 mg/l
6. Total dissolved solids 1500-3000 mg/l
Table 4.18: Inlet and outlet characteristics of Process Condensate treatment unit
Sr. No Parameter Inlet Outlet Unit
1. Flow 550 467 CMD
2. pH 3.5-4.0 6.5-7.5 -
3. COD <4500 <100 mg/l
4. BOD <3000 <10 mg/l
5. Total dissolved solids <100 - mg/l
Table 4.19: Characteristic of wastewater generated from sugar factory
S. No.
Parameter Inlet Outlet MPCB Limits Units
1. pH 3.4 7.2 5.5-8.0 -
2. COD 4780 160 <250 mg/L
3. BOD 2225 45 <100 mg/L
4. TDS 3025 1200 <2100 mg/L
5. Chlorides 564 298 <600 mg/L
6. Oil and grease 36 5.0 <10 mg/L
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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4.2.2.5 Impacts on Biological environment
Minor impact on flora/fauna and habitats, but no negative impacts on ecosystem function.
Limited damage to minimal area of land. Temporary damage (< 1 month) to flora of fauna
habitats.
The proposed expansion will be in existing factory premises. There will be no tree cutting
or shrub removal will take place. As site is flat with some undulating patches, very little
leveling activities will be required. Hence, no impact on existing landscape is anticipated.
There are no wild life sanctuaries with in the study zone. Within the 10 km from project
site dry vegetation is found. The impact on flora is insignificant.
Factory will develop green belt which help to control temperature and keep the
surroundings cool. It will help to attract avifauna and create suitable habitat to micro flora
and fauna.
The green belt will help as a sink to dust and gaseous pollutants. While developing
proposed green belt native, ornamental, medicinal values trees will be planted; which
results in enrichment of biodiversity & beautification of area.
Activity and its impacts
Impacts on ecology shall be from the following sources:
Flue gas emissions in the air will lead to increase in concentration of Particulate
Matter, minor sulfur dioxide and oxides of nitrogen. An increase in air pollutants may
affect the vegetation growth in and around the area.
Dust emission is envisaged during material handling & transportation, which affects
the growth of vegetation.
Disposal of solid / hazardous waste on land pollute the soil, which eventually affect the
vegetation
Mitigation measures
To mitigate the above mentioned impact following mitigation measures will be
implemented:
Air pollution control equipment like Electrostatic Precipitator (ESP) will be provided to
reduce the emission of particulate matter
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Well-designed material storage area as well as handling facilities will be provided to
prevent particulate emissions from the storage, handling, & transportation activities.
Solid waste storage area will be designed as per the guidelines to avoid the leachate
percolation into the ground or water bodies.
Distillery process condensate effluent will be treated in condensate polishing unit and
recycled in the process.
Greenbelt area will be developed in & around the plant premises and shall be
maintained properly.
There is no any discharge from the project activities. Existing sugar ETP treated water
is used for exiting green belt development and irrigation purpose. However, no any
impact on the biological environment has been found any alteration or destruction to
the biological environment.
All efforts will be put-up by the factory management to maintain the ecological
balance and improve the environment in terms of ecology and green Belt
development. Industry will follow the zero discharge norms. Hence no adverse impacts
on surrounding ecology.
4.2.2.6 Impact on Socio-Economic Environment
The impacts of the proposed project will lead to the positive impact on surrounding.
The proposed project will generate the employment to local people.
The proposed activities shall generate indirect employment in the region due to the
requirement of workers, supply of raw material, auxiliary and ancillary works, which
would marginally improve the economic status of the people.
The proposed project will be an increase in local skill levels through exposure to
activities.
Thus, the said project will not have any significant impact on socio-economic
pattern of the surrounding region.
The integrated project will provide stability to sugar factory in financial terms. This
ultimately benefited to farmers and employees.
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4.2.2.7 Occupational Health & Safety
Workplace area involving Milling, Pan boiling, Centrifugation, production unit,
distillation unit, Boiler section, turbine section, raw material handling area etc.
It is envisaged that occupational health hazards shall be associated with operational
activities such as spillage and exposure to the chemical, mechanical hazards like
cuts and hits and electrical shocks.
Accident due to fall from height, burn injury and trap in the machine or motors
during operation.
All these above mentioned impact or risk associated with various operational activities of
the plant shall be mitigated by implementing the following measures,
All safety signs will be placed at proper location.
First aid kits will be made available at every department
Pre-employment Medical checkup and periodical medical checkup shall be
undertaken to know the occupational health hazards at the early stage.
Work permit system will be introduced to avoid the entry or un-authorized
working to avoid the incidences which can lead to the accident if proper care is not
taken.
All arrangement required for Fire hydrant system shall made at every vulnerable
location to have the firefighting facility.
Apart from above, all required Fire Extinguishers shall be provided at appropriate
locations
All staff and workers will be trained in firefighting operations and emergency
preparedness plan or to tackle the accident
Apart from all engineering control measures, if required necessary PPEs shall be
provided as last protection measures to the employees.
Good housekeeping also plays important role in avoiding the undesirable incidences /
accidents, hence good housekeeping practices will be employed throughout the
Factory premises.
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4.4 IMPACT ASSESSMENT MATRIX
Impact matrix facilitates to identify components and phases of project activities for
determination of likely impacts. Matrix identifies the interaction between project activities
and environmental components using a grid like table. Entries are made in the cell which
highlights impact severity in the form of symbols or numbers or descriptive comments.
The impact of different project activities on various environmental components like
biological environment, air environment, aesthetics and socio-economic have been
summarized in a form of a matrix in Table 4.20.
Environmental Pollution
Water: surface and ground water pollution
Air: Ambient air quality
Soil: Soil quality
Land: Change in land use pattern and topography
Biological Environment
Existing Flora and fauna
Aquatic Ecosystem
Socioeconomic Environment
Health and safety, cultural, aesthetic and economic aspects
Table 4.2: Impact Matrix of Proposed Project
Pre-construct
ion
Construction Phase Operation and maintenance
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Environment components
Project activity
Parameters
Lan
d a
cqu
isit
ion
Site
cle
arin
g
Site
pre
par
atio
n
Exca
vati
on
/ T
em
po
rary
str
uct
ure
Tran
spo
rtat
ion
of
mat
eria
l
Civ
il/co
nst
ruct
ion
wo
rk
Infl
ux
of
con
stru
ctio
n w
ork
ers
Tran
spo
rtat
ion
of
mat
eria
l
Mo
vem
en
t o
f e
ne
rgy
rese
rves
Alc
oh
ol M
anu
fact
uri
ng
pro
cess
Suga
r an
d C
oge
ne
rati
on
po
we
r p
lan
t
Raw
Mat
eri
al /
Fin
ish
ed
Pro
du
cts
Sto
rage
& H
and
ling
Sto
rage
of
raw
mat
eri
al a
nd
fin
ish
ed
pro
du
cts
Op
era
tio
n o
f co
olin
g sy
ste
m
Po
lluti
on
co
ntr
ol e
qu
ipm
en
t’s
no
nfu
nct
ion
ing
Resources utilization
Fuel 0 0 0 0 0 0 0 -1 -1 -1 -1 0 0 0 0
Electricity 0 0 0 0 0 -1 -1 0 0 0 0 0 0 0 0
Water 0 0 0 0 0 -1 -1 0 -1 -1 -1 0 0 -1 0
Construction material ex. Stone
0 0 0 0 0 -1 0 0 0 0 0 0 0 0 0
Land 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0
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Air Air Quality 0 0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 0 -2
Climate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Water Alteration of surface/ groundwater bodies
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2
Alteration of surface run-off and interflow
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Alteration of Hydraulic Regime
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Contamination
0 0 0 0 0 0 -1 0 0 -1 0 -1 -1 -1 -2
Soil/Land Soil erosion 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0
Contamination
0 0 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 -1 -3
Alteration of Soil properties/ Soil Quality
0 0 -1 -1 0 -1 -1 0 -1 -1 -1 -1 0 -1 -3
Land topography
0 -1 -1 -1 0 0 0 0 0 0 0 0 0 0 0
Noise Noise pollution
0 0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 0 -1 -2
Ecology Effect on trees, grasses, herbs & shrubs
0 -1 -1 -1 -1 0 0 -1 0 0 0 0 0 0 -3
Effect on farmland
0 0 0 0 -1 0 0 0 0 0 0 0 0 0 0
Effect on aquatic
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Effects on fauna
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2
Habitat change and removal
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -1
Introduce new exotic species
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Occupational Health & Hazards
Health 0 0 -1 -1 -1 -1 0 -1 0 -1 -1 -1 -1 0 -3
Sanitation 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0
Socioeconomic
Creation of new economic activities
+1
0 0 0 0 +1 0 +1 0 +1 0 0 0 0 0
Commercial value of properties
+1
0 0 0 0 0 0 0 0 0 0 0 0 0 0
Generation of
0 0 0 0 0 +1 0 0 0 +1 +1 +1 +1 0 0
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temporary and permanent Jobs
Effect on crops
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -1
Reduction of farmland productivity
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -1
Income for the state and private sector
+1
0 0 0 +1 0 0 +1 0 +2 0 0 0 0 0
Savings in foreign currency for the state
0 0 0 0 0 0 0 0 0 +2 0 +1 0 0 0
Training in new technologies and new skills to workers
0 0 0 0 0 0 0 0 0 +1 +1 0 0 0 0
Political/social Conflicts
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2
Land use change
0 0 -1 -1 0 0 -1 0 0 0 0 0 0 0 0
Aesthetics and human interest
0 0 0 0 0 0 0 0 0 0 0 0 0 0 -1
Cultural status
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Evaluation marking criteria
Description Value
No / Zero Impact : 0 Minor/ Negligible negative impacts : -1 Minor / Negligible positive impacts : +1 Significant negative impact : -2 Significant positive impact : +2 High negative impact : -3 High positive impact : +3
4.3.1 Conclusion of impact matrix assessment
Proposed project will not have any significant negative impacts on the environment. In
absence of pollution control equipment, project will have high negative impact.
Appropriate Environmental Management Plan (EMP) nullifies all high potential adverse
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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impacts. Emergency shutdown of the plant shall be taken in case of failure of waste
management system. Moreover, implementation of EMP helps to convert negative impact
into positive impacts. Thus proposed project is certainly safe from the environmental
point of view.
4.3.2 Summary of Impact
Based on the assessment made in the preceding sections the overall impacts due to the
proposed power project are summarized in Table 4.21.
Table 4.21: Assessment of Impacts due to proposed activity on Environment
Sr. No
Environmental Component
Project Activity
Impacts Identified Impact Assessment after Mitigation
1. Topography Site Clearance
Minor changes in landscape. Insignificant
Construction Activities
Changes in landscape. Insignificant
Operation activities
Changes in land use. The available free land is utilized.
Insignificant
2. Air Quality Site clearance
Excavation and levelling activities are limited hence, fugitive emissions would be restricted.
Insignificant
Construction activities
Local increase in SPM Insignificant
Transportation
Vehicular and fugitive emissions
Insignificant
3. Noise Construction activities
Temporary local increase in noise
Insignificant
Operation activities
Continuous noise but confined to within the Plant Area
Insignificant
Transportation
Increase in noise levels due to vehicular traffic
Insignificant
4. Water Resources Construction activities
The water will be used during the construction activities.
Insignificant
Operation activities
Surface water Insignificant,
5. Water Pollution Construction activities
Small volume of wastewater from the construction and sanitation
Insignificant
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Sr. No
Environmental Component
Project Activity
Impacts Identified Impact Assessment after Mitigation
Operation activities
Effluent generated in the plant
Insignificant as there will be zero discharge of effluent.
6. Ecology Site Clearance
There will not be major disturbance to flora fauna
Insignificant
Construction activities
There will not be major disturbance
Insignificant
Operation activities
There will not be major disturbance to flora fauna
Insignificant
7. Soil Characteristics
Construction activities
Since there is minimal levelling and excavation, the proposed project area is within the existing facilities.
Insignificant
Operation activities
No changes are envisaged in this phase
Insignificant
8. Land Use Construction activities
There will be change in land use for industrial purpose.
Significant
Operation activities
The existing land use is change to industrial use
Insignificant
9. Socio-economics Construction activities
Creation of additional jobs/ businesses
Significant
Operation activities
Rise in per capita income due to increased opportunities
Significant
10. Civic Amenities Construction activities
Built up of temporary structures for workers and non-workers
Moderately insignificant
Operation activities
Availability of permanent structures for workers, non-workers
Moderately insignificant
11. Occupational Health
Construction activities
Dusty conditions during summer with vehicular movement
Insignificant
Operation activities
Process specific activities, heat and emission protective control measures followed
Insignificant
12. Vibrations Construction activities
Heavy equipment usage will be temporary
Insignificant
Operation activities
Continuous usage of machinery
Insignificant
13. Solid/ Hazardous waste
Construction activities
General construction waste will be disposed of in designated sites
Insignificant
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Sr. No
Environmental Component
Project Activity
Impacts Identified Impact Assessment after Mitigation
Operation activities
Ash from burning of bagasse in boilers
Insignificant
4.5 CONCLUSION
The anticipated/identified potential environmental impacts of proposed project will be mainly
from solid waste disposal, effluent disposal, ground water exploitation, and flue gaseous
emissions. However, an effective mitigation measure reduces level of significant impact on the
environment. Hence, proposed project will be safe as there won’t be disposal of effluent on the
land or into the water body. Moreover, all required control measures and required equipment
shall be provided to mitigate the impacts.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER V ANALYSIS OF ALTERNATIVES
It provides the information on various alternatives for the site and technology. The industry shall
explore and adopt cleaner technologies and improve the management practices to reduce
generation of pollutants.
5.1 Introduction
A project of any nature consists of various activities, which involve men, money, and
material. These activities may consume natural resources and discharge wastes, which are
likely to have serious consequence to the environment. A number of alternative options
may be available to carry out many of these activities. An option with least or nil adverse
environment impacts is to be selected. Critical analysis is therefore required for selection
of the right alternative. Alternative Analysis (AA) has been done for critical aspects of the
project.
The project will be using ample availability of sugarcane from command area & bagasse
(renewable energy source) from sugar unit for generation of power to supply much
needed power to national grid. Displacement of fossil fuel energy production during
bagasse use period will also result in net reduction in CO2 emissions so contributing to the
control of climate change.
5.2 Site alternatives
The project site is located at village Nagnathannanagar, Taluka Walve, Dist. Sangli,
Maharashtra. Site is geographically located at Latitude: 17° 1'5.22"N, Longitude
74°22'13.96"E and 564 m above MSL. Project site is connected to Gotkhindi-Walwa Road
adjacent to the factory, Walwa-Tasgaon Road 0.8 km in NE and NH4 (Mumbai - Pune -
Kolhapur – Goa) is 12 m in SW. Nearest town Islampur is 12 km away and Sangli 27 km.
There are no Tropical Forest, Biosphere Reserve, National Park, Wild Life Sanctuary, and
Coral Formation Reserves within 10 km Influence Zone. Krishna River is flowing at a
distance of 2.2 km in NE.
The land requirement for proposed industry unit is already in possession. Proposed
expansion will be within existing factory premises. Location of the site has below
advantages,
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Availability of raw material/fuel
Proximity of molasses as a raw material and cost-effective transportation logistics
Availability of water supply
The availability of water from the source is adequate to meet the requirement of the
proposed distillery. Source of water for proposed integrated expansion project is Krishna
River.
Availability of infrastructural facility
Industrial infrastructural facilities such as roads, transport, security, water, power,
administration etc. are available with existing factory. Community facilities such as
quarters, medical services, education and training facility etc. are also available at site.
Environmental features of site
There are no any eco-sensitive areas such as biosphere, mangrove, protected forest,
national parks etc. or environmental sensitive locations such as protected monuments,
historical places within 10 km from the site.
5.3 Analysis of alternative technology
The technology selection is done on the basis of following considerations
Indigenous technology
Least stress on resources
Reduce, recycle and reuse of wastes
Reduce the pollution from the industry
No risk to human and property
Technology selection will be done on the basis of efficient utilization of raw material,
water, electricity, fuel, and considering the recycle and reuse of wastes generated from
industry. The operations of Sugar factory mainly consist of milling, clarification,
crystallization.
Technology for producing sugar is well proven technology over a few decades all over the
world. No adverse impacts are anticipated due to proposed project. Hence no alternative
technologies are considered.
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Distillery will be mainly Continuous Fermentation & Mutli-Pressure Distillation.
Fermentation process are classified as Batch and Continuous fermentation. In batch
fermentation, the bacteria are inoculated into the bioreactor. Then, under controlled
conditions (temperature 300C-320C, pH 4.8-5.8, aeration, etc.) the bacteria go through all
the growth phases (lag, exponential, stationary). At last, the fermentation is stopped
and the product is collected. Then, after cleaning and sterilization of the fermenter, the
fermenter is ready for another batch.
In continuous fermentation, the fresh medium flows into the fermenter continuously and
part of the medium in the reactor is withdrawn from the fermenter at the same flow rate
of the inlet flow. Continuous fermentation is superior to batch culture in several ways. The
technology options for the proposed plant were considered based on efficiency of
fermentation and distillation, efficient utilization of raw materials, fuel, and water along
with efficiency in power generation. It is observed from various industries & available
literature of CPCB that the spent wash generated per liter of Alcohol production is less
from the continuous and bio-still processes when compared to the batch process where
the spent wash is more concentrated. Hence, continuous fermentation process has been
selected for proposed Distillery project.
Distillation
Distillation is a process of separating the component substances from a liquid mixture by
selective evaporation and condensation. In alcohol production the boiling points of the
components in the mixture will be sufficiently close. It is the separation of a mixture into
its component parts, or fractions, separating chemical compounds by their boiling point by
heating them to temperature at which one or more fractions of the compound
will vaporize. Therefore fractional distillation is used in order to separate the components
by repeated vaporization-condensation cycles within a packed fractionating column. This
separation, by successive distillations, is also referred to as rectification.
Fractional distillation separates alcohol with other fractions at their respective boiling
points and extracts the alcohol concentration up to 95-96 % v/v. The obtained alcohols are
termed as Rectified Spirit (RS) and distill further to produce extra neutral alcohol. At the
end, remaining the dark brown liquid mass in distillation column called Spent Wash.
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Proposed distillery is proposes multi pressure distillation. Multi pressure distillation has
following advantages,
Lower steam consumption
Lower scale formation
Reduced by-product formation in the mash column
In Multi Effect Evaporated distillation the mash column is operated under vacuum and is
heated by overhead alcohol vapors from the rectifying column. Thus, steam supply to the
mash column is saved. Similarly, other columns are also operated 'in-pair' using overhead
vapors from one to heat the other. There could be nearly a 50% saving in energy.
Multi-pressure vaccum distillation system for production of Extra Neutral Alcohol consists
of distillation columns namely-
1. Degasifying-cum-analyzer column- Operation under vaccum
2. Pre-rectification-cum-Exhaust column- Operation under vaccum.
3. Extractive Distillation Column- Operation under pressure
4. Rectifier-cum- Exhaust column- Operated under pressure
5. Recovery/Fused Oil Column- Operated under pressure
6. Simmering Column- Operated under atmospheric or vaccum
Pre-heated fermented wash is fed at the top of the Degassifier column. Analyzer Column
is provided with reboiler. Top vapours of analyzer column containing all the alcohol in the
wash are sent to Pre-rectifier column and are taken out as spent wash from Analyzer
column bottom. Low Boiling impurities are concentrated in the Pre-rectifier column.
A draw of impure alcohol is taken out from the top of the Pre-rectifier column. RS draw is
taken from the top of Pre-rectifier column, which further is sent to Extractive Distillation
(Purifier) column. Dilution water in the ratio of 1:8 to 1:9 is fed to this column. The
Extractive Column operates on the principle of inversion of relative volatility.
Low boiling impurities are separated in the purifier column & bottom is sent to Rectifier-
cum-Exhaust column. The Rectifier/Exhaust Column concentrates the alcohol to 96% v/v.
The high- grade spirit is drawn from upper trays of the rectification column. Fusel oil build
up is avoided in the Rectifier-cum-exhaust column by withdrawing side streams (Fusel
oils).
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Purifier condensates, Degasifier condensates & fusel oil draw from Rectifier/Exhaust
column are sent to Recovery column where these fusel oils are concentrated and then
sent to decanter where these streams are diluted with water and fusel oil rich layer is
separated. Washings are sent back to the column to recover alcohol.
The high spirit draw from the Rectifier column is sent to the Simmering column where
methanol is separated in the form of a cut from the top and ENA is taken out from the
bottom. ENA draw from the simmering column is taken to the receiver after cooling in
ENA cooler. The steam consumption of this set up would be of about 6.5% of total spirit
production.
Distillation System with re-boilers: Some of the old atmospheric distillation based as well
as all new multi-pressure distillation based distilleries have installed re-boilers along with
distillation column to concentrate spent wash & reduce effluent generation. Use of re-
boilers results in indirect heating of distillation columns and restricts the mixing of steam
condensate with spent wash. Steam condensate can be recycled as boiler feed water or
can be used as process water.
Benefits of Pressure Multi-pressure Vacuum Distillation
Following are the advantages of Multi-pressure vacuum distillation over atmospheric
distillation.
Since the analyzer column operates under vacuum, the formation of by-products
such as acetyl may minimize there by improvement in quality of alcohol.
Pre-rectification column ensures removal of sulfur compounds/ mercaptans and
also reduces load of lower boiling volatile compounds passing on to Rectifier cum
exhaust column.
The chances of scaling due to invert solubility of certain precipitating inorganic
salts are minimized in vacuum distillation.
Vacuum distillation requires low steam consumption with re-boiler i.e. 2.2 Kg/lit of
Recited Spirit.
Technology for producing alcohol from fermentation is well proven technology over a few
decades all over the world. No adverse impacts are anticipated due to proposed project.
Hence no alternative technologies are considered.
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5.4 Wastewater treatment options
Distillery
Spent wash generated during the process of distillation will be treated in multiple
effective evaporators to concentrate the spent wash followed by slope fired boiler.
Alternative methods of spent wash treatment are given in Fig. 5.1.
Figure 5.1: Alternative technologies for spent wash treatment
(Guidelines On Techno – Economic Feasibility Of Implementation Of Zero Liquid Discharge (ZLD) For Water Polluting Industries By Central Pollution Control Board January 2015)
Considering the aspect reuse of water recycling, cost of the technology and treatment
efficiency, the industry has decided to adopt Multi effect evaporator followed slop fired
boiler for the proposed expansion. Brief of both the system is given below,
Multi Effect Evaporator (MEE)
Well established technology for concentration up to 40 % solids, which can result in
substantial spent wash volume reduction.
Integrated raw spent wash evaporation can result in reduction of final volume.
Spent wash
Anaerobic digestion – Biogas
Reverse Osmosis RO)
Multiple Effect Evaporation (MEE)
Spray dryer/ rotary dryer Slop fired boiler
Multiple Effect Evaporation (MEE)
Multiple Effect Evaporation
(MEE)
Bio-composting
Cement/ Thermal power plant
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Slop fired boiler
Solids concentrate (55 to 60 %) or spent wash powder is fired in a specially designed
boiler with or without subsidiary fuel. Steam generated runs a TG set to generate
electricity. Exhaust steam is used in distillery and evaporation plant operations
Overall system is supposed to be self-sustaining in terms of steam and power balance
after initial stabilization period.
Potash rich ash as a by-product.
Sugar: Effluent treatment technology
Sugar industry is an agro based that generate effluent (wastewater) loaded with organic
matter. If this effluent discharged in the environment without any treatment or
insufficient treatment, it causes soil pollution as well as ground/surface water pollution.
Also, this effluent may disturb the aquatic ecology and flora and fauna of terrestrial
ecosystems. Hence it is very important to plan proper treatment program for the
industrial effluents.
Alternatives Treatment Options
Sugar factory effluent contains oil and grease, suspended solids and dissolved solids. For
separation of oil and grease and suspended solids, preliminary treatments such as bar
screen, oil & grease traps are installed in factories. Factories are facing problem of higher
levels suspended solids with the effluent, due to which there is increase in BOD load
around 30 to 40%. Therefore, it is very essential to install oil and grease removal
mechanism. Screen chamber, equalization, neutralization units & primary clarifier are
intended for separation of suspended solids, oil and grease and pH neutralization
respectively. The primary treatment section of ETP unit comprises of these unit. The next
treatment for the neutralized effluent having lots of alternatives which is discussed as
follows,
Alternatives Technology for Secondary Treatment
1. Extended Aeration (EA)
2. Activated Sludge Process (ASP)
3. Anaerobic Lagoon (AL)followed by ASP
4. Anaerobic Digester followed by ASP
5. Bio-tower followed by ASP
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6. Moving Bed Bio-Reactor (MBBR) - Recent Technology
7. Membrane Bio-Reactor (MBR) - Recent Technology
8. Bio-tower + Moving Bed Bio-Reactor (MBBR)
9. Bio-tower + Membrane Bio-Reactor (MBR)
10. Bio-tower followed by ASP
Considering all available technological options, the industry has planned to implement
install anaerobic filter, aeration tank, primary, and sec. settling tank.
5.5 Conclusion
Technology selection is done on the basis of efficient utilization of raw material, water,
electricity, fuel, and considering the recycle and reuse of wastes generated from industry.
Considering the advantages and technology feasibility, distillery will be operated through
Continuous Fermentation & Mutli Pressure Distillation. Spent wash generated during the
process of distillation will be treated in multiple effective evaporators to concentrate the
spent wash followed by slope fired boiler. The proposed spent wash treatment option will
be able to achieve the aim of “zero discharge” of effluent.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER VI ENVIRONMENT MONITORING PROGRAM
This chapter contains technical aspects of monitoring the effectiveness of mitigation
measures and the environmental management plan. It delivers environment monitoring
program, its frequency, parameters and methodology for air, water, noise, and solid
hazardous waste/ soil environment. It ensures the smooth execution of EMP and also
monitors the changes in the ambient environmental quality due to the proposed project.
It includes laboratory and other facilities monitoring facilities, environmental parameters
to be monitored and data to be analyzed and sampling location and schedule. It also
includes budgetary provision and procurement schedule for the monitoring facilities.
6.1 Importance of Post Environment Monitoring
Regular monitoring of environmental parameters is of immense importance to assess the
status of environment during project operation. With the knowledge of baseline
conditions, the monitoring programme will serve as an indicator for any deterioration in
environmental conditions due to operation of the project, to enable taking up suitable
mitigatory steps in time to safeguard the environment. Monitoring is an important for
control of pollution since the efficiency of control measures can only be determined by
monitoring. Usually, as in the case of the study, an Impact Assessment study is carried
over short period of time and the data cannot bring out all variations induced by the
natural or human activities. Therefore, regular monitoring programme of the
environmental parameters is essential to take into account the changes in the
environmental quality.
An environmental monitoring program is important as,
It assists in detecting the impacts and control measures.
It evaluates the performance and effectiveness of mitigation measures proposed in
the Environment Management Plan (EMP) and suggests improvements in
management plan, if required.
An Environmental Monitoring Program has scheduled with the following objectives,
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To verify the result of the impact assessment study with respect to new
developments
To study the parameters which have been identified as critical
Status of pollution load within the project site and its vicinity
Generation of data for predictive or corrective purpose in respect of pollution
To check or assess the efficiency of controlling measures
6.2 Objective of Monitoring Plan
The basic objective of implementing a monitoring plan on a regular basis is as follows:
To know the pollution status within the plant and its vicinity.
Generate data for corrective action in respect of pollution.
Correlate the production operations with emission and control mechanism.
Examine the performance of pollution control system.
Assess the Environmental impacts.
Remedial measures and environment management plan to reverse the impacts.
6.3 Environment Monitoring Plan
The post project monitoring plan will be as follows,
Prior to the commencement of operation
After 6 months of commencement of operation
Once in a year from the commencement of operation
6.3.1 Environmental Monitoring Plan during Construction Phase
The construction activities require clearing of vegetation, mobilisation of construction
material and equipment. The proposed activity envisages setting up of boilers, turbines
and cooling towers, establishment of storage facilities. The generic environmental
measures that are to be undertaken during project construction stage are given in Table
6.1.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 6.1: Environmental Monitoring Plan during Construction Phase
Environmental
Facets
Parameter Frequency of Monitoring
Air Emissions Random checks of equipment’s logs/manuals
Weekly
Vehicle logs
Weekly during site clearance & construction activities
Gaseous emissions (SO2,CO,NOX)
Monthly emission monitoring
The ambient air quality will conform to the standards for PM10,PM2.5,SO2,NOX and CO
As per CPCB/ SPCB requirement or on monthly basis whichever is earlier
Noise Equipment logs, noise reading Weekly during construction
Working hour records Daily records
Maintenance of record of vehicles
Daily records
Spot Noise recording As per CPCB/SPCB requirement or on monthly basis whichever is earlier
Wastewater Discharge
No discharge hoses shall be in vicinity of watercourse
Monthly during construction activities.
Soil Erosion Effective cover in place Period during construction activities
Drainage & effluent Management
Visual inspection of drainage and record thereof
Weekly during construction activities
Waste Management
Comprehensive Waste Management plan should be in place and available for inspection onsite.
Fortnightly check during construction activities
Non-routine events & accidental releases
Mock drills and records of the same
Monthly during construction activities
Health of workers
All relevant parameters including HIV
Monthly check ups
Loss of flora and fauna
No. of plants, species During site clearance Phase.
6.3.2 Post Project Environmental Monitoring Plan
Environmental parameters to be monitored and its frequency after commissioning of
proposed project is mentioned in Table 6.2
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Table 6.2: Environmental monitoring schedule
Sr. No.
Particulate Parameters Number of location Frequency
1. Ambient air quality
PM10, PM2.5, SO2, NOx etc. Ambient air quality at minimum 3 locations. Two samples downwind direction at 500m and 1000m respectively. One sample upwind direction at 500m.
Monthly
2. Stack gas PM, SO2 and NOx Number of stacks Monthly
Online stack monitoring is installed for existing system.
-
3. Work place PM2.5, SO2, NOx, O3 Process emission in workplace area/plants (for each area/plant minimum 2 locations and 1 location outside plant area near vent)
Monthly
4. Waste water pH, EC, SS, TDS, O&G, Ammonical Nitrogen, COD, BOD, Chloride, Sulphides etc.
Wastewater from all sources. Inlet & outlet of ETP, spent wash, Condensate treatment plant
Monthly
Online Monitoring machine is already installed at existing ETP. Camera at spent wash tank is also installed.
5. Surface water and ground water
pH, Salinity, Conductivity, TDS, Turbidity, DO, BOD, Phosphate, Nitrates, Sulphates, Chlorides, Total Coliforms (TC) & E.Coli
3-5 location Ground as well as Surface water. Within 1 km radius from spent wash tank and compost yard. 2 locations downward 1 location upward additional three locations within 10 km radius from the site.
Half yearly
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Sr. No.
Particulate Parameters Number of location Frequency
River sample One each at upstream and downstream
6. Solid waste Ash Process dust generated sludge and ash.
Before used as manure if used manure
Monthly
7. Soil Organic and Inorganic matter
N, P, K, moisture, EC, heavy metals etc.
At lands utilizing compost manure and treated effluent, 3 locations
Pre –monsoon and Post monsoon
8. Noise Equivalent noise level - dB (A) at min. Noise Levels measurement at high noise generating places as well as sensitive receptors in the vicinity
5 location At all source and outside the Plant area.
Monthly
9. Green belt Number of plantation (units), number of survived plants/ trees, number of poor plant/ trees.
In and around the plant site
Monthly
10. Soil Texture, pH, electrical conductivity, cation exchange capacity, alkali metals, Sodium Absorption Ratio (SAR), permeability, porosity.
2-3 near Solid/ hazardous waste storage. At least five locations from Greenbelt and area where manure of biological waste is applied. Near spent wash storage lagoon
Quarterly
11. Occupational health
Health and fitness checkup of employees getting exposed to various hazards and all other staff
All worker Yearly/ twice a year
12. Emergency preparedness, such as fire fighting
Fire protection and safety measures to take care of fire and explosion hazards, to be assessed and steps taken for their prevention.
Mock drill records, on site emergency plan, evacuation plan
Monthly during operation phase
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6.4 Monitoring methodologies
Environmental samples will be collected as per the guidelines provided by MoEFCC/ CPCB.
The method followed for monitoring will be recommended/ standard method approved/
recommended by MoEFCC/ CPCB. Detail of the same is mentioned in Table 6.3.
Table 6.3: Methodology of Environmental Monitoring
Sr.
No
Description Method
Sampling/ Preservation Analysis
1. Ambient air
monitoring
Samplers (Designed as per
USEPA) to collect PM 2.5, PM10
& the gaseous samples
Any standard methods
such as IS 5182, CPCB
guideline etc.
2. Stack gas
monitoring
Samplers (Designed as per
USEPA) to collect particulate
matter & the gaseous samples
-
3. Water and waste
water
Standard methods for
examination of water and
wastewater published by APHA
21st edition, 2005
Standard methods for
examination of water and
wastewater published
by APHA 21st edition, 2012
4. Noise monitoring Instrument : Sound level meter -
5. Soil monitoring Collected as per soil analysis
reference book, M. I. Jackson
and soil analysis reference book
by C.A. Black
Analysis reference book,
M. I. Jackson and soil
analysis reference book
by C.A. Black
6.5 Reporting and documentation
All the necessary reports and documents will be prepared to comply with statutory rules
and regulations. The records of the monitoring program along with the results of all the
parameters being monitored will be maintained on regular basis. The environmental
monitoring activities will be recorded and the following documents are proposed to be
maintained,
1. Log sheets of operation and maintenance of pollution control facilities/ equipment
such as ETP/slope fired boiler operation and test results of inlet and outlet.
2. Instruction manuals for operation and maintenance of pollution control facilities/
equipment like ETP as well as for manual for monitoring of water, solid and gaseous
parameter discharged from the project.
3. Statutory records as per the environment related legislation.
4. Monthly and annual progress report.
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5. Bi-annual compliance statement for Regional Office, MoEFCC.
6. Annual environmental audit statements and compliance to NOC/ Consent conditions
to State Pollution Control Board/ Regional Office, MoEFCC.
6.6 Laboratory Facility
The plant is having in-house environmental laboratory for the routine monitoring of water
and wastewater. The outside agencies are also being hired for analysis of other
environment aspects like air, noise, and soil. The following equipment’s are recommended
to the project proponent for implementing the post project environmental monitoring
program.
6.7 Formulation of Environment Management Cell (EMC)
The Environmental Management Cell shall be responsible for the environmental
management, monitoring, and implementation activities of the proposed unit. EMC will
carry out various activity of environment under the supervision of the Head of the plant.
EMC cell shall be responsible for,
Monitoring of efficiency of pollution control equipment’s
Preparation of maintenance schedule of pollution control equipment and
treatment plants and see that it is followed strictly.
Monitoring activities within core and buffer zone of proposed project as per
monitoring schedule.
Inspection and regular cleaning of setting tanks, drainage system etc.
Greenbelt development and maintenance
Water and energy conservation measures
Good housekeeping
Structure of EMC is mentioned in below
Table 6.4: Environment Monitoring Cell
General Manager : One
Environment Officer (Sugar + Distillery) : One + One
Chemist (Sugar + Distillery) : One + One
Laboratory Attendants (Sugar + Distillery) : One + One
Safety Officer : One
Supporting Staff : Two
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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6.8 Effective Implementation on Environmental Monitoring Programme
The mitigation measures suggested in Chapter IV Anticipated Environment & Mitigation
measures will be implemented so as to reduce the impact on environment due to the
operations of the proposed project. In order to facilitate easy implementation of
mitigation measures, the phased priority of implementation is given in Table 6.5.
Table 6.5: Implementation Plan to Mitigate Environmental Impact
Sr. No. Recommendations Time Requirement Action
1 Air pollution control measures
Before commissioning of respective units
Immediate
2 Water pollution control measures
Before commissioning of the plant
Immediate
3 Noise control measures Along with the commissioning of the Plant
Immediate
4 Ecological preservation and up gradation
Stage wise implementation Immediate & Progressive
5 Green Belt development Stage wise implementation Immediate & Progressive
6.9 Budgetary provision for environment management
Environment management cost will be around Rs. 10.5 cr. & recurring cost will be 37.3
lakhs. The details of EMP cost is mentioned in Table 6.6.
Table 6.6: Environment Management Cost
Sr. No Description Capital Cost (Rs. in lakhs)
Recurring Cost (Rs. in lakhs)
1. Air Pollution Control 700 10
3. Sugar ETP 250 5
4. Solid waste Management - 7
5. Environmental Monitoring and Management
40 3
6. Rainwater Harvesting 25 4
7. Occupational Health 20 4.8
8. Green belt development 15 3.5
Total 1050 37.3
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CHAPTER VII ADDITIONAL STUDIES
Chapter describes additional studies like review of social impact and public consultation
were undertaken. Moreover it deals with the study of hazard identification and risk
assessment. It also covers the requirement for onsite and offsite disaster (natural and
manmade) preparedness plan including emergency management plan including.
7.1 Public consultation
The project falls under Category “A”, Activity 5 (g) ii [All molasses based distilleries ≥60
KLPD], of schedule–I of the EIA notification-2006 (as amended timely), since the proposed
project is a distillery project and as per the ToR’s issued by MoEFCC dated 11.03.2018.
Hence, Public consultation is applicable to the proposed project. The public consultation
has been carried out on 12.10.2018. The news of public hearing to be conducted on the
above mentioned date is published in the English & Local Newspaper for the knowledge of
local people on 11.09.2018. The copies of EIA report in English and local language has
been made available with the office of pollution control board village Gram Panchayat and
the collector office. During the public consultation, all the dignitaries including Collector,
SRO, RO and local Sarpanch has attended the Public hearing. Detail documents of public
hearing are attached in Annexure. Brief of Public hearing is given below,
Date : 12.10.2018 Time :11.00 am Venue : At Factory site of Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd., Naganathanna nagar, Walwa, Dist.Sangli, Maharashtra, Following panel members were present for the public hearing:
Chairman
Shri Trigun Kulkarni Additional District Magistrate, Sangli. (Representative of District Collector; Sangli)
Member
Shri Nagesh Lohalkar Regional office M.P.C. Board, Kolhapur (Representative of Maharashtra pollution Control Board)
Convener Shri L.S. Bhad Sub Regional Officer, MPC Board, Sangli
After presentation Conveyor of the environmental public hearing requested public to raise questions, objections, and suggestions of the project. Following questions and answers took place
1. Shri Arun Yadav, Ahirwadi
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What is the treatment and disposal system of waste water generation?
Presently factory have 500 CMD ETP plant which will be upgraded to 80 CMD, Treated water will be reused in factory and in greenbelt development/irrigation.
2. Shri. Sarjerao Phatak, Walwa
What is the cost of the project? Projected cost of the project is 587 Cr.
3. Shri. Dinkar Babar
What are the precautionary measures for air pollution?
ESP with 72 m stack height
4. Shri. Balasaheb Patil
What is the disposal system of ash? Coal ash to Brick manufacturer and Press mud and spent wash ash can be use as a manure.
5. Shri. Ashok Kadam, Walwa
What is the source of water for proposed project?
Krishna river at 2.2 km distance
6. Mr. Rajendra Patil, Punadi, Palus, Dist. Sangli
What is the height of the chimney? Stack height is 72 m
7. Shri. Pradip Pawar, Walwa, Sangli
Precautionary measures to avoid water pollution?
For sugar effluent ETP will be upgraded
For distillery spent wash existing MEE and bio-methanation Plant is there
For proposed distillwry MEE and incineration bopiler shall be installed.
Zero liquid discharged shall be achieved
8. Shri. Dattatray Chavan
We are satisfy with the information provided by consultant and we have no objection about the project
-
7.2 Risk Assessment
Disaster is synonymous with 'emergency' as defined by the Ministry of Environment and
Forests & Climate Change (MoEF&CC). An emergency occurring in the proposed project is
one that may affect several sections within it and/ or may cause serious injuries, loss of
lives, extensive damage to environment or property or serious disruption outside the
plant. It will require the best use of internal resources and the use of outside resources to
handle it effectively. It may happen usually as the result of a malfunction of the normal
operating procedures. It may also be precipitated by the intervention of an outside force
such as a cyclone, flood, earthquake or deliberate acts of arson or sabotage.
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A properly designed and operated plant will have a very low probability (to a level of
acceptable risk) of accident occurrence. Subsequently, a properly designed and executed
management plan can further reduce the probability of any accident turning into an
on-site emergency and/or an off-site emergency.
The three main goals of risk assessment are
Identify risks,
Quantify the impact of the potential threats and
Provide an economic balance between the impact of risk and the cost of the
safeguard
7.2.1 Salient Feature of Risk Mitigation
Design, manufacture and construction of buildings, plant and machineries will be as
per National and International Codes as applicable in specific cases and laid down
by statutory authorities
Provision of adequate access ways for movement of equipment and personnel will
be made.
Minimum of two numbers of gates for escape during disaster will be provided
In the vicinity of main plant entrance, there will be an emergency assembly point
where plant personnel will assemble in the event of any disaster.
Adequate numbers of Fire Fighting equipment’s & Fire extinguishers will be
installed in the work places for emergency purpose and the Supervisors / Workers
will be trained to use the equipment’s.
An ambulance will be provided in the factory premises.
A qualified Doctor and a compounder will be employed for attending to any
emergency.
7.2.2 Identification of Risks
For identification of risk due to proposed project, it requires in depth study of
Raw material
Process Risk
Storages
Operations
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Maintenance
Safety
Fire protection
Effluent disposal
A) Risk: Raw material
The materials, which will be required to run the plant, are sugarcane, Bagasse, Steam
apart from some chemicals (hydrochloric acid and caustic soda to produce DM water,
chlorine as disinfectant in the cooling water system, molasses.
B) Risk: Process / Operation
Operational risks are categorized below
Process hazards: Loss of containment during handling of hazardous materials or processes
Resulting in fire, explosion, etc.
Mechanical hazards: Mechanical operations such as welding, maintenance, falling
objects etc. - basically those NOT connected to hazardous materials.
Electrical hazards: Electrocution, high voltage levels, short circuit, etc.
C) Risk: Boiler, turbine, generator and associated areas
Particular: Failure of safety devices, including pressure relief valves and interlocks.
Explosion is expected due to bursting of high pressure equipment’s like boiler, turbine and
pipe lines involved the water required for Boiler is pumped and transferred to the boiler
by using high-pressure pumps. Also the high-pressure steam generated in the boiler is
sent to the turbine through the pipeline. This pipeline will have flanged joints, with
sandwich gaskets in between for better sealing. At times, due to water hammering this
gasket fails and leads to bursting of the flange joint.
Ensuring pressure relief valves and interlocking arrangements as per standard design of
equipment. Carrying out regular inspection and periodic safety certification of all safety
devices compliance with required rules and regulations for safety systems.
D) Risk of Molasses storage tank
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Molasses can ferment if excessive moisture contamination is allowed. Fermentation can
yield carbon dioxide with possible traces of ethanol or volatile fatty acids (e.g. acetic,
propionic, lactic, or butyric) and if exposed to a spark or flame may result in an explosion.
Fermentation may also occur in dilute surface layers formed by condensation from the
headspace above the liquid.
Proper ventilation shall be provided
Inspection and regular monitoring of storage area
Training to Workers for proper handling
PPEs will be provided as Nose mask, Hand gloves.
Provision of level indicators for storage Tanks
If causes eye irritation wash area with soap, flood eye with water and water
E) Risk: Potential exposure to electricity
Particular: Entire power plant, specifically the generator area, distribution panel, and
control rooms.
Follow up of standard operating procedures and regular training on electrical safety.
Ensure suitability and adaptability of electrical equipment with respect to classified
hazardous areas and protection against lightening protection and static charges. Adopting
preventive maintenance practices as per testing and inspection schedules. Ensure all
maintenance and repair jobs with prior work permit system. Use of personal protective
equipment and ensuring compliance of the Indian Electricity Rules, 2003. Ensure all
electrical circuits designed for automatic, remote shut down.
F) Risk: Fire incident
Particular: Bagasse Storage yard, entire power plant, specifically the Storage area,
electrical wearing and fuel handling area.
Follow up of standard operating procedures and regular training on fire fighting Mock
drills of fire fighting .Installation of fire alarm & proper fire extinguisher. Ensure suitability
and adaptability of electrical equipment with respect to classified hazardous areas and
protection against lightening protection and static charges. Adopting preventive
maintenance practices as per testing and inspection.
G) Risk: Solid/ Liquid waste disposal
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Particular: Ash generated from cogeneration plant, solid waste and effluent generated
from sugar unit
Standard operating procedures for disposal of ash need to be followed like isolated
disposal of hot ash inside the silo, use ash will sold, brick & cement manufacturing
industries. Effluent will be treated as per regulatory norms and treated water will be
reused. Solid organic waste generated from sugar unit will be used as manure. Regular
monitoring will be carried out as per schedule to avoid any kind of pollution
H) Risk: Health Risk
Particular: Exposure to toxic and corrosive chemicals
Provision of secondary containment system for all liquid corrosive chemicals fuel and
lubricating oil storages. Constructing storage tanks and pipes for toxic chemicals and fuel
oil as per the applicable standards. Inspection and radiography will be followed to
minimize risk of tank or pipeline failure. Provision of protective equipment’s such as
protective clothing, goggles, safety shoes and breathing masks for workers working in
chemical storage. Provision of emergency eyewash and showers in the working area.
I) Risk: Safety risk
Particular: Ensure Worker Safety
Periodical SHE training of staff and contractor. Ensuring special training to develop
competent persons to manage specific issues such as safety from the system, risk
assessment, scaffolding, and fire protection, Training will include the proper use of all
equipment operated, safe lifting practices, the location and handling of fire extinguishers,
and the use of personal protective equipment. Ensure good housekeeping practices (e.g.,
keeping all walkways clear of debris, cleaning up oil spots and excess water as soon as
they are noticed, and regular inspection and maintenance of all machinery). Daily
collection and separate storage of hazardous and non-hazardous waste.
J) Risk: Force Majeure and Insurance coverage to the Project
Particular: Natural calamities like flood, earthquake, fire, and other act of God and Act of
Man etc.
Mitigation: Complete plant need to be insured and also care has been considered while
designing and construction of the plant to minimize the impact. Third party Liability,
Workers compensation, Employers Liability, Legal and contractual liabilities, Loss of profit
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due to interruption due to fire machine, break down, and related perils, Loss of profit due
to loss of generation are some of the other risk against which the mitigation measures
have been considered in the project by the way of insurance.
7.2.3 Fire and Explosion Index
Fire, Explosion and Toxicity Indexing (FETI) is a rapid ranking method for identifying the
degree of hazard. In preliminary hazard analysis, chemical storages are considered to have
Toxic and Fire hazards. The application of FETI would help to make a quick assessment of
the nature and quantification of the hazards in these areas. However, this does not
provide precise information.
Respective Material Factor (MF),
General Hazard Factors (GHF)
Special Process Hazard Factors (SPH)
They are computed using standard procedure of awarding penalties based on storage
handling and reaction parameters.
It can be used to classify separate elements of plant within an industrial complex. Before
indexing is done, the plant is divided into plant elements. Depending upon the material in
use, material factor, number of parameters such as exothermic reactions, handling
hazards, pressure of system, flash point, operating temperature, inventory of flammable
material, corrosive property, leakage points and toxicity are taken into consideration in
determining a plant/ equipment /operation hazard. A standard method of awarding
penalties and comparing the indices is used. However, this method does not give absolute
status of the equipment or section. Dow's Fire and Explosion Index (F and E) is a product
of Material Factor (MF) and hazard factor (F3) while MF represents the flammability and
reactivity of the substances, the hazard factor (F3), is itself a product of General Process
Hazards (GPH) and special process hazards (SPH). An accurate plot plan of the plant, a
process flow sheet and Fire and Explosion Index and Hazard Classification Guide published
by Dow Chemical Company are required to estimate the FE & TI of any process plant or a
storage unit
Computations and Evaluation of Fire and Explosion Index
The degree of hazard potential is identified based on the numerical value of F&EI as per
the criteria given Table 7.1
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Table 7.1: Fire & Explosion Index
F&EI Range Degree of Hazard
0-60 Light
61-96 Moderate
97-127 Intermediate
128-158 Heavy
159-up Severe
Risk Index (RI)
The risk categories can be expressed in terms of the risk index as given below.
Table 7.2: Risk Index
Category Risk Index
Acceptable Region <0
Low Risk 0
Moderate Risk 0.67
Significant Risk 1.33
High Risk 2
Unacceptable Region >2
Table 7.3: The Physiological effects of threshold Thermal Doses
Threshold Dose (kj/m2) Effect
375 3rd degree burn
250 2nd degree burn
125 1st degree burn
65 Threshold of pain, no reddening or blistering of
skin caused
Note:
1st degree burn- Involves only epidermis. Example sunburn. Blisters may occur.
2nd degree burn- Involves whole of epidermis over the area of burn plus some portion of
dermis area.
3rd degree burn- Involves whole of epidermis and dermis. Sub cutaneous tissues may also
be affected.
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Table 7.4: Damage due to Incident Radiation Intensity
Incident Radiation
Intensity (KW/m2) Type of Damage
37.5 Minimum energy required igniting wood at infinite long exposure
(non piloted).
32.0 Maximum flux level for thermally protected tanks
12.5 Minimum energy required for piloted ignition of wood, melting
plastic tubing etc.
8.0 Maximum heat flux for un-insulated tanks.
4.5 Sufficient to cause pain to personnel if unable to reach cover within
20 seconds. However blistering of skin (1st degree burns) is likely.
1.6 Will cause no discomfort to long exposure.
0.7 Equivalent to solar radiation.
7.2.4 Consequence Analysis
Hazardous substance on release can cause damage on a large scale in the environment. The
extent of the damage is dependent upon the nature of the release and the physical state of
the material. It is necessary to visualize the consequences and the damages caused by such
releases.
The quantification of the physical effects can be done by means of various models, which
can then be translated in terms of injuries and damage to exposed population and buildings.
Hazardous substances may be released as a result of a catastrophe causing possible damage
to the surrounding areas. The extent of damage depends upon the nature of the release.
The release of flammable materials and subsequent ignition results in heat radiation,
pressure wave or vapour cloud depending upon the flammability. It is important to visualise
the consequences of the release of such substances and the damage caused to the
surrounding areas.
An insight into physical effects resulting from the release of hazardous substances can be
had by means of various models. Vulnerability models are used to translate the physical
effects occurring in terms of injuries and damage to exposed population and buildings
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7.2.5 Risk Mitigation Measures
The materials handled at the proposed installation are inflammable and reactive
substances and based on the consequence analysis; the following measures are suggested
as risk mitigation measures.
It should be ensured that combustible materials such as oiled rags, wooden
supports, oil buckets etc. are not kept in the storage and process areas as well as
road tankers loading/unloading sites where there is maximum possibility of presence
of flammable hydrocarbons in large quantities, to reduce the probability of
secondary fires.
Smoke and fire detectors should be suitably located and linked to fire fighting
system to reduce the response time and ensure safe dispersal of vapours before
ignition can occur.
Training in fire fighting, escape action, operation of emergency switches etc. is vital.
Pump loading line failures also have possibility of causing major damage. Strict
inspection, maintenance and well laid down operation procedures are essential for
preventing escalation of such incidents.
Emergency procedures should be well rehearsed to achieve state of readiness.
7.2.6 Possibilities, Nature and Effects of Emergency
Leaving aside earthquake, cyclone, flood, arson and sabotage, the possible emergencies
that can arise in the power plant due to operations and storages and handling of the fuels
and gases are:
Explosion in boilers, turbo generators, transformers and hydrogen plant
Subsequent fire in the fuel handling area
Large fires involving the bagasse storage yard and bagasse handling areas
Accidental release of ash slurry
Accidental fire due to some other reasons such as electrical short circuit.
7.2.7 Methodology of MCA Analysis
The MCA analysis involves ordering and ranking of various sections in terms of potential
vulnerability. The data requirements for MCA analysis are:
Flow diagram and P&I diagrams
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Detailed design parameters
Physical & chemical properties of all the chemicals
Detailed plant layout
Detailed area layout
Past accident data
The following steps are involved in MCA analysis:
Identification of potential hazardous process units, storage sections and
representative failure cases from the vessels and pipe lines
Visualization of chemical release scenarios
Consequence Analysis for computation of damage distances from the release
cases through mathematical modeling
7.2.8 Consequence analysis
Hazardous substance on release can cause damage on a large scale in the environment.
The extent of the damage is dependent upon the nature of the release and the physical
state of the material. It is necessary to visualize the consequences and the damages
caused by such releases. The quantification of the physical effects can be done by means
of various models, which can then be translated in terms of injuries and damage to
exposed population and buildings. Hazardous substances may be released as a result of a
catastrophe causing possible damage to the surrounding areas. The extent of damage
depends upon the nature of the release. The release of flammable materials and
subsequent ignition results in heat radiation, pressure wave or vapor cloud depending
upon the flammability. It is important to visualize the consequences of the release of such
substances and the damage caused to the surrounding areas.
An insight into physical effects resulting from the release of hazardous substances can be
had by means of various models. Vulnerability models are used to translate the physical
effects occurring in terms of injuries and damage to exposed population and buildings.
7.2.9 Factors influencing the use of physical effect models
In order to calculate the physical effects of the accidental releases of hazardous
substances the following steps must be carried out in succession:
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Determine the form in which the hazardous substances occur- gas, gas condensed
to liquid or as a liquid in equilibrium with vapour
Determine the way in which the release takes place, above or below the liquid level
in a process unit or storage facility, instantaneous or continuous
Determine the outflow volume (as a function of time) of the gas, vapour or liquid in
the event of liquid outflow, possible two phase outflow,
Determine the evaporation from the pool of liquid formed
Dispersion of the released gas or vapour which has formed into the atmosphere
A distinction has to be made between toxic and flammable substances. In the event of the
incidental release of toxic substances it is necessary to compute the concentrations of gas
cloud (as a function of time and place) spreading in the surrounding areas. In the case of
flammable substances, the heat radiation is computed for the following situations:
Torch, if vapors are ignited
Pool fire, if pool of liquid is ignited
Boiling Liquid Expanding Vapor Explosion (BLEVE) which is a physical explosion
In the event of an explosive gas cloud the peak overpressure resulting from the explosion
is calculated and the damage contours are plotted. In the distribution model account is
taken of the atmospheric stability, the so-called Pasquill classes (A to F) and a wind
velocity. The model is based on a point source. In practice, however, a point source will
never exist; for example, a surface sources in the case of pools. To enable the source
dimensions to be included in the calculation in the dispersion models in spite of this, an
imaginary (virtual) point source is assumed, which is put back in such a way that the cloud
area calculated according to the model has the source dimensions at the site of the actual
source. In calculations based on a continuous source, the duration of the source is also
included in the calculation. Some conditions for this calculation model are as follows:
There must be some wind at the site
The model applies only to open terrain; allowance is made, however, for the roughness of
the terrain. The influence of trees, houses, etc. on the dispersion can be determined by
means of the roughness length.
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Models for the Calculation of Heat Load and Shock Waves
If a flammable gas or liquid is released, damage resulting from heat radiation or explosion
may occur on ignition. Models for the effects in the event of immediate ignition (torch,
pool fire and BLEVE) and the ignition of a gas cloud will be discussed in succession. These
models calculate the heat radiation or peak overpressure as a function of the distance to
the torch, BLEVE, the ignited pool or gas cloud.
Model for a BLEVE
BLEVE stands for Boiling Liquid Expanding Vapor Explosion. BLEVE is a follow-up effect that
occurs if the vapor side of a tank is heated by a torch or a pool fire. Due to the heating,
the vapor pressure will rise and the material of the tank wall will weaken. At a given
moment the weakened tank wall will no longer be able to withstand the increased vapor
pressure and it will burst open. As a result of the expansion and flash-off a pressure wave
occurs. In the case of flammable gases a fireball will form. The effects of a BLEVE for a tank
with a flammable liquid are:
A fireball: model gives the radius of the fire ball and the thermal load
Pressure wave effects resulting from the expansion of the vapor and the flash-off.
This is however, not predominating in this case
Rupture of the tank, resulting in the formation of numerous fragments of the tank.
These fragments can be hurled over at fairly great distances by the energy
released
Ignition of a Gas Cloud
If a flammable gas is not ignited directly, this cloud will spread in the surrounding area.
The drifting gas cloud will mix with air. As long as the gas concentration is between the
lower and upper explosion limit, the gas cloud may explode or give flash fire on availability
of an ignition source. The flammable content of a gas cloud is calculated by a
three-dimensional integration of the concentration profiles, which fall within the
explosion limits. If the gas cloud ignites, two situations can occur, namely non-explosive
combustion (flash fire) and explosive combustion (flash fire + explosion).
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The heat radiation from a flash fire is not calculated since the burning time is very short.
Models exist for the calculation of the peak overpressure in explosive combustion as a
function of the distance from the center of the gas cloud.
Burning Torch
The out flowing gas on immediate ignition gives a burning torch. In this model, an ellipse is
assumed for the shape of a torch. The volume of the torch (flare) in this model is
proportional to the outflow. In order to calculate the thermal load the centre of the flare
is regarded as a point source.
Injuries resulting from Flammable Liquids and Gases
In the case of flammable liquids and gases on immediate ignition, a pool fire or BLEVE or a
flare will occur. The injuries in this case are mainly caused by heat radiation. It is only in
the case of a BLEVE that injury may occur as a result of flying fragments also. Serious
injuries as the result of the shock wave generally do not occur outside the fire ball zone.
Fragmentation of the storage system can cause damage up to distances of over 1 km.
If the gas is not ignited immediately, it will disperse into the atmosphere. If the gas cloud
ignites, it is assumed that everyone present within the gas cloud will die as a result of
burns or asphyxiation. The duration of the thermal load will be too brief in case of
explosion to cause any injuries. In the event of very rapid combustion of the gas cloud the
shock wave may cause damage outside the limits of the cloud. Explosive combustion will
only occur if the cloud is enclosed to some extent between buildings and structures.
Damage Models for Heat Radiation
It is assumed that everyone inside the area covered by the fire ball, a BLEVE, a torch, a
burning pool or gas cloud will be burnt to death or will asphyxiate. The following probit
functions are examples of methods which can be used to calculate the percentage of
lethality and first degree burns that will accurate a particular thermal load and period of
exposure of an unprotected body.
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Lethality Pr = - 36.38 + 2.56 ln (t.q4/3)
First degree burn symptoms
Pr = -39.83 + 3.0186 ln (t.q4/3)
Where, t= Exposure time in seconds,
q= Thermal load in W/m2,
Pr= Probit value, which relates to the percentage of affected people
For the exposure time, two values are chosen:
10 seconds: In a residential area, it is reasonable to assume that affected people
can find protection from the thermal load within 10 seconds.
30 seconds: This pessimistic assumption applies if people cannot directly flee or no
protection is provided to them.
Damage Model for Pressure Waves
A pressure wave can be caused by a BLEVE or gas cloud explosion.
The peak overpressure of 0.3 bar will lead to heavy damage to buildings and structures.
Secondary fire and explosion are likely to take place due to cascading effects. A peak
overpressure of 0.1 bar is taken as the limit for fatal injury and 0.03 bar as limit for the
occurrence of wounds as the result of flying fragments of the glass. Similarly a peak
overpressure of 0.01 bar is taken as the limit for the smashing of windows pans.
7.7.10 Specific Emergencies Anticipated and Mitigation Measures
Consequence analysis for leakage from RS/ENA storage tank.
The following inputs were used to run ALOHA model for computation of damage distances
from 2” & 4” leak from one RS/ENA tank:
Molasses storage tanks
Storage tanks (3 No.) of – 4500 X 2 and 4975 X1
Total 13975 MT MT Capacities
Proposed one MS tank of 10000 MTX 1
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Alcohol storage
Existing total capacity 4200000 Lit Proposed total capacity 70 TPD 4800000 Lit
Ethanol 600000X2 Ethanol 600000 X3
RS 6,00,000 X 3 RS 6,00,000 X 3
ENA 6,00,000 X 2 ENA 6,00,000 X 2
Material of construction- MS Dead storage - Nil Specific gravity- 0.8
ALOHA model developed by USEPA was used to quantify the damage distances for release
scenario of 2 inch leak in one RS/ENA storage tank for heat loads of 37.5 kW/m2, 12.5
kW/m2, and 4 Kw/m2 for pool fire scenario under weather condition of 3F. The damage
distances for 37.5 kW/m2, 12.5 kW/m2, and 4 Kw/m2 were computed as 6 m, 9 m and 17.3
m respectively.
Similarly the release scenario for 4 inch leak in one RS/ENA tank was visualized for heat
loads of 37.5 kW/m2, 12..5 kW/m2,, and 4 Kw/m2 for pool fire scenario under weather
condition of 3F. The damage distances for 37.5 kW/m2,, 16.5 kW/m2,, and 4 kW/m2 were
computed as 9.9 m, 19.2 m and 32.9 m respectively.
For avoiding any kind of fire incident leakages inside the factory premises, the following
safety measures have to be undertaken:
Safety Equipment
Table 7.5: Fire & safety facilities
Sr. No. Particulars
1. DCP Type 5 Kg Fire Extinguisher
2. DCP Type 10 Kg Fire Extinguisher
3. CO2,Water type ,Capacity 9 lit
4. Mechanical Foam Type, Capacity 9 lit
5. Carbon Di Oxide,(CO2) Capacity 4.5 Kg
7.2.11 Risk Reduction Measures
The following opportunities will be considered as a potential means of reducing identified
risks during the detailed design phase:
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Buildings and plant structures designed for cyclone and seismic events (where
appropriate), to prevent structural collapse and integrity of weather (water)
proofing for storage of dangerous goods;
Provision for adequate water capacity to supply fire protection systems and critical
process water;
Isolate people from load carrying/mechanical handling systems, vehicle traffic and
storage and stacking locations;
Installation of fit-for-purpose access ways and fall protection systems to facilitate
safe access to fixed and mobile plant;
Provision and integrity of process tanks, waste holding tanks and bunded areas as
per relevant standards;
Containment of hazardous materials;
Security of facility to prevent unauthorized access to plant, introduction of
prohibited items, and control of onsite traffic; and
Development of emergency response management systems commensurate with
site specific hazards and risks (fire, explosion, rescue, and first aid).
Surrounding population (includes all strata of society) should be made aware of the
safety precautions to be taken in the event of any mishap within the plant. This can
effectively be done by conducting the training programs.
Critical switches and alarm should be always kept in line
Fire extinguishers should be tested periodically and should be always kept in
operational mode
A wind direction pointer should also be installed at storage site so that in an
emergency the wind direction can be directly seen and downwind population
cautioned
Shut off and isolation valves should be easily approachable in emergencies
A detailed HAZOP and Fault Tree Analysis should be carried out before
commissioning of any new installation.
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Figure 7.1: Emergency provision in the factory premises
7.3 Disaster Management Plan
This DMP has been designed based on the range, scales and effects of "Major Generic
Hazards" described in the Risk Assessment. The DMP addresses the range of thermal and
mechanical impacts of these major hazards so that potential harm to people onsite and
off-site, plant and environment can be reduced to a practicable minimum. The scenarios
of loss of containment are credible worst cases to which this DMP is linked.
Disaster Management Plan is an elaborate scheme of planning events and organizing the
chain of command which will enact swiftly to counter contingencies arising out of the
accident whose cause can be catastrophic rupture of tank leading to pool fire –among
many others. The general description of the emergency management plan is discussed
below which is further bifurcated into the onsite emergency plan and off-site emergency
plan.
The project is in its formative stage and detail engineering is yet to be done, so the
elements of the DMP are based on concepts.
7.3.1 Capabilities of DMP
The emergency plan envisaged will be designed to intercept full range of hazards specific
to power plant such as fire, explosion, major spill etc. In particular, the DMP will be
designed and conducted to mitigate those losses of containment situations, which have
potentials to escalate into major perils.
Another measure of the DMP's capability will be to combat small and large fires due to
ignition, of flammable materials either from storage or from process streams and
evacuate people from the affected areas speedily to safe locations to prevent irreversible
injury.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Emergency medical aids to those who might be affected by incident heat radiation flux,
shock wave overpressures, and toxic exposure will be inherent in the basic capabilities.
The most important capability of this DMP will be the required speed of response to
intercept a developing emergency in good time so that disasters such as explosion, major
fire etc. are never allowed to happen.
7.3.2 Declaration of Emergency
a) Communication with declarer of emergency
When an emergency situation arises in the plant, it will be first noticed by some workers
on the shop floor. He will immediately get in touch with shift –in-charge of that particular
section. The shift –in-charge will initiate action to overcome the emergency, and will use
his discretion to shut – down the factory if he feels that emergency situation is very
serious. He will simultaneously get in touch with the Declarer of Emergency. The possible
Declarers of Emergency in the order of priority are given below
i) Chairman & Managing Director
ii) General Manager
iii) Distillery Managers
b) Communication with Declarer
The shift in charge has to try to get in touch with number one of the declarer of
emergency on phone. The phone number of the Declarers of Emergency should be known
to every worker. In case the phones are out of order due to some reason or the other, a
messenger has to be immediately sent by the shift by the shift –in-charge to contact the
Declarer of Emergency As the vehicles are coming under the jurisdiction of the Transport
Department, which is open all the 24 hours, the shift –in –charge will get in touch with the
in charge of the Transport Department, who will in turn make arrangements to send a
messenger to the Declarer of Emergency. In case the first Declarer is not available or is out
of station, as the case may be, due to some reason or the other, the Shift –in –charge or
the messenger, will get in touch with the second or the subsequent Declarer of Emergency
in order of priority given in the above section.
c) Announcing of Emergency
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The Declarer of Emergency has to immediately come to the place of work, assess the
situation, and act in an appropriate way. He may decide that emergency may be declared
in one or two sections. On the other hand, he may feel that the emergency is more serious
and the whole plant is to be whole plant. To indicate to the workers and other living in the
vicinity that an emergency will continue as “Regular Declarer of the Emergency”. The
Deputy Superintendent of Police will have to get in touch with the Superintendent of
Police and when he comes, he will have to look after the Emergency in the capacity as
Declarer.
7.3.3 Control of Emergency
The emergency has to be controlled from one particular spot. This spot should be away
from the likely points of accident, should be easily accessible to workers / officers / police
/ Ambulance and also there should be easy asphalted access from the factory to the
Control Room.
Facilities at the Control Room
Factory Layout Plan
Emergency telephone numbers;
General telephone numbers;
Emergency lighting;
Hooters
Daily number of people working in hazardous area;
Population around the factory;
Hot lines to the District Magistrate, Police Control Room, Fire brigade, antidotes
and telephone numbers of hospitals etc,
Information regarding dispersion and
Safety equipment.
Apart from the above information, the control rooms shall have a list of possible accidents
and the number of people to be affected in each of possible accident displayed on daily
basis depending on the predominant wind direction and weather conditions.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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The Control room shall not be on the main road as it is likely that there will be traffic
congestion at these points. This should make the task of controlling the Emergency as well
as controlling the traffic easier.
After the assembly of plant workers at the control room suitable evacuation and plant
shut down methodology is to be adopted.
7.3.4 Emergency Fire Fighting Equipment
The industry will provide firefighting facilities in the industry in order to tackle the
emergency firefighting:
Adequate number of fire extinguishers as per the factory rules shall be provided.
A storage sump exclusively for storing water for meeting emergency fire conditions
will be provided with necessary piping and pumping facilities;
Adequate number of safety showers and eye wash fountains in the plant as per the
factory rules shall be provided.
Regular firefighting and safety training shall be imparted to the employees.
7.3.5 Evacuation of Workers and Plant Shut Down
When the emergency is declared, all workers should leave their places of work and reach
the safe place has been recognized as the Main Gate of the Plant. However in confusion
and excitement, the workers may not exactly know which path may not be visible.
Further when the emergency is in the same section in which a particular worker is
working; there will be so much smoke or toxic fumes that it may be difficult for him to find
the path or exit and he will require some special guidance. Thus it is very necessary that
there are guide paths for the workers to follow in case of emergency so that they can
reach the main gate in safe condition. The especial guide paths with an emergency lighting
shall be drawn and workers will be made familiar with them. It may so happen that these
paths fall in the way of toxic fumes. Thus alternate paths have also been decided upon.
There may be some workers who could be hurt and/ or unable to come out. To help them,
a special team has to be selected on voluntary basis. This team is quite a large one
because not all its voluntary members will be available in one shift. The appropriate
members who should send this team with hooters to the factory area along with
necessary safety equipment which will always be kept ready for use in the main control
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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room. This team shall pick up those workers who have been hurt and make arrangements
to bring them to safe place near the main gate.
At the gate it there shall be arrangement for counting of the workmen reporting there. In
some cases, it may so happen that in the excitement of the emergency some workmen
may go away without reporting at the main gate, in spite of the fact the training being
given to them to report at the main gate. All the workers who have arrived at the main
gate. All the workers who have arrived at the main gate should be counted against the
number which had entered. The total number consists of not only the workers but also
the visitors and contract laborers (not only associated with the factory but also associated
with the contractors).
When the injured workers are brought to the main gate, they have to be shifted to the
hospitals with or without the help of police. For this, arrangements will be made for a
number of vehicles, ambulances etc.
If outside public in the nearby villages are affected, their evacuation shall be done by
police. The local controller of emergency shall also arrange for guarding the property and
law and order control. The police shall also arrange for temporary shelter and food and
will also make arrangements to take the public back to their residences, after the
emergency situation has been controlled.
It is absolutely necessary that the plant is shut down immediately. For the shutting down
of the plant, the procedure to be followed is described below.
7.4 Disaster Control Philosophy
The principal strategy of DMP is "Prevention" of identified major hazards. The
"Identification" of the hazards will employ one or more of the techniques [e.g. Hazard and
Operability Study (HAZOP), accident consequence analysis etc.]. Since these hazards can
occur only in the event of loss of containment, one of the key objectives of technology
selection, project engineering, construction, commissioning, and operation is "Total and
Consistent Quality Assurance". The Project Authority will be committed to this strategy
right from the conceptual stage of the plant so that the objective of prevention can have
ample opportunities to mature and be realized in practice.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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The DMP or Emergency Preparedness Plan (EPP) will consist of:
On-site Emergency Plan
Off-site Emergency Plan
Disaster Management Plan preparation under the headlines of On-site Emergency Plan
and Off-site Emergency Plan is in consonance with the guidelines laid by the Ministry of
Environment and Forests & Climate Change (MoEF&CC) which states that the "Occupier"
of the facility is responsible for the development of the On-site Emergency Plan. The Off-
site Emergency Plan should be developed by the Government (District Authorities).
7.4.1 On-Site Emergency Management
The following section describes methodology to deal with On-site emergency. The
responsibilities of the various plant personnel are also indicated.
7.4.1.1 Duties of personnel if fire occurs
A) Chief Co-coordinator
Functions
He will declare the state of emergency to everyone concerned, especially to people above
him and to the senior officials of the organizations whose help will be required
He will be in constant contact with the Deputy Chief Co-ordinator
1) He will receive all information regarding the emergency from the disaster site
2) He will receive information regarding additional resources requirement from site
3) He will convey necessary instructions to the site - Dy. Chief Co-ordinator
4) He will authorize evacuation of personnel through Dy. Chief Co-ordinator
5) He will authorize additional resources mobilization through his advisors
6) He will approve release of information regarding disasters to outside agencies through
Administration Advisor
B) Special Advisor (Location: Main Control Center)
Functions
If the chief Coordinator is not in the spot then he is in charge of the crisis control room
1) He is communicator between the chief Co-coordinator higher up like Director, C. & M.
D., Ministry, etc.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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2) He is Coordinating with Air force, Navy and air freighting special equipment / material
will be done by the special advisor on behalf of the chief advisor
C) Technical Advisor
Functions
1) Collection of data and analysis all the available data regarding the disaster
2) He is the communicator between Dy. Chief Co-ordinator through Chief Co-ordinator
3) He is responsible for maintenance of logbook record charts etc. will be in his custody
4) Any queries that regarding chemical, or any oils will be answered through him
D) Material coordinator
Functions
1) He is responsible and regularize for procurements being made on an emergency basis.
2) He will inform about all purchases to finance advisor
E) Finance Advisor
Functions:
1) He is responsible for all finance-related work such as excise and customs, insurance
formalities and FR cashier and relating emergency cash if required
F) Administration Advisor
Functions
1) He takes approval from the chief co-ordinator and will inform the press and outside
agencies regarding disaster.
2) He will arrange catering and inform through welfare officer regarding communication
to relative of the injured employees
3) When approved by the chief co-ordinator he will supervise to as of the emergency
location with the press/Govt. agencies along with the Technical advisor.
4) He arranges CISF for transport and additional manpower.
G) Fire and Safety Coordinator
Function
1) On arrival at the scene, he will evaluate the strategy chalked out by Manager-Fire &
Safety / Manager-Shift and coordinate with Civil Fire Brigade for effective control
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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2) Co-ordinate with Dy. Chief Co-ordinator for actions as deemed necessary, which will
assist the operations department to carry out their activities safety
3) Assess the need of rescue operation and make arrangements for the same
4) Co-ordinate with Medical Adviser for ambulance and other medical assistance as may
be necessary
5) Ensure that all the assigned personnel as mentioned above are carrying out their
duties and whenever any extra assistance is required makes arrangements for the
same
6) Co-ordinate with Manager-PR, for meeting the Press and members of public, if called
for.
7) Ensure adequacy of men and equipment at the scene and proposed plant premises. If
required, make arrangements for getting necessary assistance
8) Make arrangements for replacements of unwanted equipment/damaged equipment
from the scene
9) Ensure that all approaches are clear and safe and deploy men and equipment in a
coordinated fashion
10) Provide necessary expert guidance for firefighting operation and carry out further
operations safety
11) If any maintenance assistance is required, liaises with Maintenance Co-ordinator for
the same
Functions of medical centre
1. Co-ordinate Ambulance Activities
2. Get blood donors
3. Give First Aid
4. Get more ambulance
5. Hospital Co-ordination
6. Keep Statistics of injured employees
7. Take out History Cards of injured employees
8. Procure additional medicines/bandages Etc.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Functions of medical advisor
1. He will be stationed at the dispensary
2. He will be coordinating with first aid & ambulance teams
3. He will direct ambulances to the designated hospitals
4. He will be talking to different Hospitals in the city regarding admission to injured
5. He will call more Doctors to the factory if found necessary
6. He will consult with other specialists whenever necessary
7. He will arrange for outside ambulances and first aider if the situation calls for
Actions to be taken by Shift security chief
A: Function of Security Center
1. Receive and co-ordinate with police
2. To give direction to incoming external help
3. Cordon off area and provide road blocks as per instruction
4. Review evacuation procedure with police
5. Control incoming traffic, traffic near main gate & outgoing movements
6. Mobilize available vehicles
7. Get additional help from barricks
Actions to be taken by External Centre
A: Function of Mechanical center
1. Arrange available transport at different locations.
2. Arrange the additional vehicles.
3. Mobile Canteen.
4. Emergency maintenance jobs.
B: Function of Transport Officer
1. Will mobile all the available vehicles and drivers
2. He will rent vehicles as needed
3. Will arrange for vehicles requirement of plant coordinator, chief coordinator
A typical organogram for the on–site emergency plan is shown in Figure -7.1
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Figure 7.2: Typical organogram for onsite emergency management plan
7.4.2 Offsite Emergency Plan
The off-site emergency plan begins beyond the premises of the plant. The possible impact
on the immediate vicinity of the plant when emergency condition arises from the
proposed plant. The responsibilities of various personnel and departments are as given
below:-
7.4.2.1 Responsibilities of the Police
Communicate the information about the mishap to the other agencies.
Provide support to the other agencies as required.
Traffic management by cordoning of the area.
Arrange the evacuation of people.
Site Controller
Emergency Control
Safety Officer
Incident Controller Rail/Road
Incident Controller for
Operations
Emergency Coordinator (Rescue, Fire
Fighting) Emergency Coordinator
(Medical Mutual Aid, Transport & Communication) Emergency
coordinator (essential services)
Shift In charge
Shift In charge
Shift In charge Operator
Operator
Security Personnel
First Aid Transport, Driver
Telephone Operator
Electrician Pump Operator
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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7.4.2.2 Responsibilities of the fire brigade
Fighting fire and preventing the spread.
Plugging the leaks of the chemicals, reducing the effects of gases and
fumes.
Rescue and salvage operation.
7.4.2.3 Medical /Ambulance
First aid to persons affected.
Medical treatment.
7.4.2.4 Technical (Factory Inspectorate, Pollution Board, Technical experts from
industry, research and training institution)
Furnish all the technical information to emergency services as required.
Investigate the causes of disaster.
Suggest the preventive measures for future action.
7.4.2.5 Rehabilitation (Local authorities and district administration)
Provide emergency control center in the area with facilities for directing, co-
ordinating emergency control activities.
Arrange for rehabilitation of persons evacuated and arrange for food, medical,
hygienic requirements.
Arrange for transportation for evacuation from residential location when
required.
Maintain communication facilities and conditions with the help of the telephone
department.
7.4.2.6 Measures to Be Taken During the Emergency
The plant authorities shall immediately send messages to the administration in
case the hazard is likely to spread beyond the plant.
The concerned Police officers along with civic officials shall make arrangements
for evacuation of the people from the villages to the safer areas.
The plant authorities shall extend the technical support in containing the
damage.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Most importantly, it is the responsibility of the officials of the plant that the
people don’t get panicky.
After, all the hazard is totally curbed, people may be brought back to their
respective villages.
A typical organogram for the off –site emergency plan is shown in Figure 7.3
Figure 7.3: Typical Organogram for off-site emergency management plan
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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7.5 Conclusion
Project proponent will implement all preventive measures to tackle all type of
emergencies arising out of operation or malfunction of individual unit’s. The required
resources for Onsite and Offsite emergency management plan will be properly planned
and provided to implement the plan effectively. The factory shall give highest priority
towards Health and safety of the employees and people residing nearby areas.
Management shall conduct the training to the nearby villagers to appraise them about
their role during emergency. All nearby people shall be given training on do’s and don’ts
during emergency situation.
Distillery Industry (Ethanol Plant) is associated with potential hazards to the employee and
environment. As the hazards involved during operation and production activities will be
known to the Management, all required mitigation measures shall be implemented in
time to avoid the emergency situation from the arising. Unfortunately, if there is any
emergency onsite of offsite, it will be tackled effectively due to availability of required
resources at the site. Similarly, all the concern staff and members of the Teams shall be
trained appropriately to tackle the emergencies in the plant. By knowing the type of
emergency situation that may arise during operation of the plant, appropriate control
measures will be implemented to reduce the gravity of the emergencies. Similarly, to
avoid the emergency situation, all required mitigation measures will be implemented as
recommended.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER VIII PROJECT BENEFITS
Project benefit chapter furnishes the benefits of the project towards the society. This
chapter is intended to give improvements in the physical infrastructure, improvements in
the social infrastructure, employment potential – skilled, semi-skilled and unskilled and
other tangible benefit from this project.
8.1 Proponent approach towards the Project
The present crushing capacity of PKDNNHKASSKL 5000 TCD along with 24 MW
cogeneration plant with 30 KLPD distillery and incineration boiler. Factory proposing
modernization cum expansion project from 5000 TCD to 7500 TCD along with expansion of
cogeneration project from 24 MW to 44 MW and distillery from 30 to 100 KLPD
distilleries.
8.2 PROJECT BENEFITS
8.2.1 Improvements in the physical infrastructure
The industry is established in the rural region of the state. The establishment of industry
will provide direct and indirect employment to more than 100 local rural persons. Major
part of these labors will be mainly from local villagers who are expected to engage
themselves both in agriculture and project activities. This will enhance their income and
lead to overall economic growth of the area.
It helps to sustain the development of this area including further development of physical
infrastructural facilities
The following physical infrastructure facilities will improve due to proposed project.
Road transport facilities
The road connectivity will get improved due to the industry. This improved physical
infrastructure will be an added facility to the community for surface transport.
Water supply
Efforts will be more focused on recycling of wastewater after adequate treatment.
Thus water extraction for process will be minimized.
8.2.2 Improvements in the social infrastructure
The industry is in the rural region and economically backward. Creation of job
opportunity and other business activity will improve the economy and attitude of the
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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public towards education and health. This may result in the creation of additional
education and health care facilities in this rural area.
The proposed project will change the pattern of demand of various items of food and
non-food products. It will help to generate sufficient income to local people.
Living in harmony is an important aspect of the society. This can happen only if, all the
components are comfortably placed. Persons engaged in their respective vocation and
accruing job satisfaction leads to this. This will become possible by this venture.
Rural sector economy is generally growing slow because of lack of amenities and
facilities. Proposed project helps to provide steady support of money-flow, such
utilities can come to that area and sustain.
This improved physical infrastructure will increase purchasing power of the farmers.
They will be able to invest in modern agricultural practices.
The sugar factory has already initiated several activities for the development of the region.
Some of the prime activities are as follows.
It is providing good quality seed (Cane) material and fertilizers to member
farmers.
It is providing training to the farmers
It has established an educational facility through which academic as well as
technical education has been made available to the nearby students.
In short, many developmental activities took place due to the establishment of sugar
factory. The sugar factory is also determined and dedicated for the economic and social
development of the region and initiate and continues many social developmental
activities in the region. Some prime benefits of the project are highlighted below
It will develop economy brings with literacy and healthy living. Ultimately
educational and health level will increases, if there is confirm income source.
8.2.3 Employment Potential
The industry will be established in the rural region of the state.
The industry will provide skilled, semi-skilled, unskilled people, direct and indirect
employment to more than 100 local rural persons.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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It can be stated that by this activity employment potential is certainly increasing in
all walks of life – skilled, semi-skilled, and unskilled.
8.2.4 Advantages of sugar, distilleries and cogeneration
The command area is rich in sugar cane cultivation and has adequate irrigation
facilities for assured annual sugarcane availability
Readily available infrastructure, fuel, & water for renewable energy power
generation project.
Provides an initiative to sugar mill to concentrate more on conservation of energy &
reduction of operating cost, thereby improving their profitability of operation.
Saves the expenditure on safe storage and disposal of bagasse.
Benefits of quick return on biomass power capital investment and generation of
additional revenue.
The economic benefits available to the sugar factories from sale of exportable
surplus and improvement in the operations
Entire integrated project is proposed to be set up based on the stand-alone
commercial viability of each component of the project.
Sugar factory expansion along with cogeneration and distillery is aimed to improve
the technical efficiency of the unit in terms of steam utilization and power
consumption.
8.3 Conclusion
This venture of the proponents will bring improvement in the physical infrastructure of
the surrounding area. It will recharge the groundwater by rain-harvesting, the road
structure will be repaired, massive greening drive will improve the aesthetics, organic
fertilizer and nursery will be available to the people, and generally the land prices will go
up. The venture will also improve the social infrastructure, by way of strengthening the
domestic set-up of the village Gram Panchyat. The Octroi, Property Tax and other
facilities, security and safety will be a welcome feature. If the sons of soil will improve
their skill, they may get attractive jobs in the vicinity itself, instead of migrating out.
Women too can get suitable jobs.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER IX: ENVIRONMENT COST BENEFIT ANALYSIS
This chapter depicted benefits of the proposed project to the environment. Project is
aimed to fulfill the objective of sustainable development. In what way and to what extent
this will reach is submitted herein below.
9.1 Environmental Benefits
The proposed integrated expansion of sugar, distillery & co-generation project will
have overall positive impact
Factory shall follow safety rules & regulations, maintain good housekeeping and
judiciously operate eco-friendly and zero discharge project to meet the prescribed
norms and shall promote environment friendliness.
Alcohol is well known as an industrial raw material for manufacture of a variety of
organic chemicals including pharmaceuticals, cosmetics, polymers etc.
A large demand is anticipated for alcohol as a fuel. Alcohol is an eco-friendly product
and is a substitute to the imported petroleum.
Indeed fuel ethanol production has been promoted for a variety of reasons as
mentioned below,
It has less severe impact on the environment than conventional gasoline and less
dangerous to health. As oxygenates are compounds such as alcohols or ethers
which contain oxygen in their molecular structure. Oxygenated fuels tend to
give a more complete combustion of its carbon to carbon dioxide (rather than
monoxide) which leads to reduced air pollution from exhaust emissions.
It reduces the dependence on oil imports.
It helps to maintain rural economy.
Factory proposes zero liquid discharge method for waste water treatment. Maximum
waste water will be recycled back into the system.
Proposed sugar factory will not require fresh water for its operation; instead that it is
providing water to the distillery.
Factory proposes to install Multiple Effect evaporator followed by Incineration boiler.
Advantages are as follows
Production of steam and power generation.
Reduction in air pollution as compared to coal based boiler.
Reduction in water pollution and achieve zero discharge in inland surface water.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER X ENVIRONMENT MANAGEMENT PLAN
Environment Management Plan (EMP) is a system to address potential adverse impacts and to
instruct project proponent to introduce standards of good practice to be adopted for all project
activities. EMP will ensure that the project will be implemented in an environmentally sustainable
manner and where all concerned persons of the industry as well as contractors, understand the
potential environmental risks arising from the proposed project to implement appropriate actions
so that risk can be managed properly. Detail description pertaining to identification of pollution
sources, its assessment, and related impact along with mitigation measures are given in Chapter
IV.
10.1 Introduction
Environmental Management is a resource management and environmental planning
similar to development planning. Suitable environmental management measures need to
be incorporated during the entire planning, construction and operating stages of the
project to minimize any adverse environmental impact and assure sustainable
development of the area.
Proposed project is a manufacturing unit for sugar, Alcohol and power generation.
Details of the proposed project are covered in Chapter II whereas; various existing
environmental scenarios are presented in Chapter III Deliberations and prediction of
environmental impacts and its analysis are made in Chapter IV. Environmental Impact
Analysis carried out in Chapter IV indicated that proposed developmental project would
have less significant impact on the environmental attributes. On the other hand, it will
have beneficial impacts on socio-economic features, and occupational structure
provided following measures are undertaken. The EMP is generally:
Prepared in accordance with rules and requirements of the MoEFCC and the State
Pollution Control Board
To ensure that the component of facility are operated in accordance with the
design
Process that confirms proper orientation through supervision and monitoring
System that addresses public complaints during construction and operation phase
Plan that ensure remedial measures are implemented immediately.
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The key benefits of the EMP are that, it provides the organization with means of managing
its environmental performance thereby allowing it to contribute to improved
environment quality. The other benefits include cost control and improved relation to
stakeholders. EMP includes four major elements
Commitment and Policy: of proposed project will strive to provide and
implement the Environmental Management Plan that incorporates all issues
related to air, land and water.
Planning: This includes identification of environmental impacts, legal
requirements and setting environmental objectives.
Implementation: This comprises of resources available to the developers,
accountability of contractors, training of operational staff associated with
environmental control facilities and documentation of measures to be taken
Measurement and Evaluation: This includes monitoring, corrective actions, and
record keeping.
During study of the environmental attributes it was seen that all the aspects would
be considered to promote the better development in case of future aspects of
project as well as environmental aspects.
10.2 Environmental management during construction phase
The construction activities of the proposed unit will increase in dust concentrations and
fugitive emission due to vehicles movement. The following control measures are
recommended to mitigate the probable adverse impacts.
10.2.1 Site preparation
The development of site for erections of plant structure, office building & other allied
activities shall require careful management planning as the construction activities shall be
located in plain barren land owned by the project proponent. It is necessary to control the
dust nuisance that would be created by excavation, leveling and transportation activities
so that impacts on the various components of environment would be minimized. No tree
cutting will be envisaged. Regular sprinkling of water around vulnerable areas of the
construction sites to control the dust spread or emission into the atmosphere. However
identified impacts would be of temporary type and within the plant boundary. Excavated
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soil will be covered with tarpaulin sheet or shall be kept in such way that dust emission
will be avoided. Green belt area shall be developed to reduce air and noise pollution
impacts. Top excavated soil be used in greenbelt development, rest hard rock will be used
in leveling work. First Aid facilities shall be made available during construction.
10.2.2 Noise
Though level of construction activities shall not be very high, still some specific sources of
noise like welding, transportation, movement of earth movers, tractors, concrete or
asphalt mixing etc. should be carried out in a controlled manner. Neither the plant nor the
construction workers should be exposed to excessive noise levels. No idling of machine
shall be allowed during construction activities Night time construction activities and
vehicular movement shall not be allowed. Personal protective equipment like ear muffs or
ear plugs, masks etc. will be provided to workers who will be exposed to high noise.
10.2.3 Construction equipment and waste
Transport vehicles as well as transport routes should be properly maintained during whole
construction phase to minimize smoke / dust emission from vehicle exhausts and unpaved
roads. Composite solid wastes including metal scrape, earthwork, other wastes, getting
generated in construction process should be disposed of in safe manner. Certain
hazardous waste materials, though the requirement of such materials shall be small,
should be stored safely and be disposed of properly.
10.2.4 Site security and Occupational Health
Construction site has a potential hazardous environment. To ensure that the local
inhabitants are not exposed to these hazards, the site shall be secured by fencing and
manned entry points. It will be fully illuminated during nighttime
Necessary care will be taken as per the safety norms for the storage of the chemical
products
Contractor will supervise the safe working of their employees.
Barricades and fences are provided around the construction area personnel
protective equipment’s e.g. safety helmet, goggles, gumshoes, etc. will be
provided to the workers.
Accidental spill of oils from construction equipment and storage sites will be
prevented.
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Tree plantation will be undertaken during the construction phase for to prevent air
pollution will be nullify in operation phase of the project.
Personal Protective Equipment like ear muffs or ear plugs, masks etc. will be
provided to workers who will be exposed to high noise.
First Aid facilities shall be made available during construction.
All necessary infrastructural services like water, drainage facilities and
electrification will be provided as per requirement
Drainage network will be properly channelized. Storm water drainage will be
developed properly. This network will be checked & maintained regularly.
10.3 Environment Management Plan for Operation Phase
Factory proposes comprehensive environment management plan to combat pollution
arising from the project activities. Detailed EMP is described below for various
environmental parameters.
10.3.1 Air Pollution Management
Baseline ambient air quality monitoring has been carried out during the month of
March 2018 to May 2018. It is observed that the concentrations of PM10, PM2.5, SO2,
NOx and CO are well within the prescribed limits as per the National Ambient Air
Quality Standards. The major sources of air emissions from the proposed projects
include non-point and point source emissions.
The major sources of air pollution from the proposed projects will be from flue gas
emission, process emission and vehicular emissions. There will not be any air emission
anticipated from the process.
Emission other sources are particulate matter, sulphur-di-oxide and nitrogen oxide
etc., from DG and stack.
Proposed new Boiler of capacity 220 TPH with 72 m stack height. Existing Boiler will be
demolished
Total particulate matter from stack will be <100 mg/NM3
All the conveyors/vehicles conveying raw material within or outside the plant premises
shall be covered from all sides to prevent blowing of particles due to wind.
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To control the vehicular pollution, control measures will be implemented such as
periodical check of Vehicle for its fitness and PUC certificates. Observance of
periodical maintenance schedule and its proper implementation.
Table 10.1: Utility emission
Stack Height (meter)
Diameter (meter)
Fuel Air Pollution Control Device
Emission concentration
Boiler 220 TPH 72 4 m Bagasse and Biogas
Stack height and ESP
PM-< 100 mg/ Nm3 SO2-100 ppm NOx-50 ppm Boiler 40 TPH 72 3.5 Coal and
Spent wash Stack height and ESP
Table 10.2: Fugitive emissions
Sr. No.
Process Emissions Mitigation
1. Loading-unloading section
Particulate matter
Dust collectors/ Water sprinkling whenever required. Close conveyer wherever possible.
Training to workers of proper handling of material.
Good housekeeping.
2. Storage of chemicals, product, fuel and raw material
Odor, volatile emissions, gaseous emissions
Ventilation
Training to workers of proper handling of material
Good housekeeping
3. Vehicular emissions
Particulate matter, SO2, NOx
Vehicles with valid PUC Certificate.
Dust suppression on haul roads
10.3.2 Noise pollution management
Various components of industrial operations cause some amount of noise, which shall be
controlled by proper maintenance and compact technology.
Closed room shall be provided for all the utilities like boiler so as to attenuate the
noise pollution.
Acoustic enclosure shall be provided to D.G sets.
The insulation will be provided to reduce noise.
Layouts of equipment foundations and structures will be designed keeping in view
the requirement of noise abatement;
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Central control room(s) provided for operation and supervision of plant and
equipment will be air-conditioned, glass fiber insulated frames which will help in
reducing noise levels. Necessary enclosures will also be provided on the working
platforms/areas to reduce the noise levels ;
Acoustic laggings and silencers will be provided in equipment wherever necessary.
The compressed air station will be provided with suction side silencers. Ventilation
fans will be installed in enclosed premises
The noise level will not exceed the permissible limit 75 dB (A) during the day time
70 dB (A) night time within the plant premises. Green belt around the plant area
will reduce the noise level further.
Occupational Health & Safety (OHSAS) System for evaluation of exposure of noise
pollution on the associated staff and comparing it with permissible exposure and
subsequently taking corrective actions will be developed.
Free flow of traffic movement shall be maintained. Earmuffs shall be used while
running equipment’s of the plant.
Proper maintenance, oiling and greasing of machines at regular intervals shall be
done to reduce generation of noise.
Regular monitoring of noise level shall be carried out.
Greenbelt shall be developed around the periphery of the plant to reduce noise
levels.
10.3.3 Water and waste water management
Krishna River will be the main source of fresh water for different activities of the
project during operation phase. Necessary permission for water extraction is
available with the factory.
The total fresh requirement for the expansion project of Sugar and Cogeneration is
460 KL/Day (i.e. Industrial use – 360 KLPD and Domestic -100 KLPD) and will be
drawn from Krishna River. The total maximum fresh water requirement for existing
distillery is 200 CMD and for proposed expansion it will be 590 CMD.
Existing 500 CMD ETP from sugar unit for proposed expansion ETP capacity will be
upgraded to 800 CMD, Co-generation power plant is being treated in proposed ETP
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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capacity 800 CMD and treated water is recycled/reused in greenbelt development
and ferti-irrigation.
Sewage will be dispose through septic tank via soak pit.
The process condensate effluent from evaporation processes shall be treated
Process Condensate Treatment Plant.
Total Spent wash generation will be 600 CMD. For existing unit spent wash is
treated trough Biogas unit followed by Multi effect evaporator (MEE) followed by
Bio composting. For Proposed 70 KLPD expansion spent wash will be treated
through generated spent wash will be concentrated in MEE and burn in proposed
70TPH spent wash fired boiler.
The industry will have integrated evaporation followed by spent wash fired boiler
system as effluent treatment. Spent wash coming out of distillation section will be
subjected to integrated evaporation followed by spent wash fired boiler. The
process condensate Treatment Plant will be provided to treat the process
condensate from evaporation. Cooling tower and boiler blow down will used for
green belt irrigating based on COC.
Figure 10.1 Existing ETP Flow chart
10.3.3.1 Spent wash storage lagoon details
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Storage lagoon capacity: Five days.
Preparation of embankment in soil for all four sides 1:2 slopes to be maintained.
Proper compaction.
Laying of 250 micron thick HDPE sheet
Flat brick lining over HDPE sheet for bottom and slopes in cement mortar 1:5 with
pointing.
Construction of the wall to avoid underscoring of the embankment during heavy
rains.
Lagoon top with bricks on edge in cement mortar 1:5.
Two coats of coal tar epoxy paint (120 micron total)
Provision of fencing around the lagoon to prevent entry of trespassers and stray
animals
10.3.3.2 CREP Guidelines and its compliance mechanism
The guidelines recommended through CREP, which will be implemented by the
project proponent, are as follows.
Spent wash storage lagoon of 5 days capacity
Impervious lagoons, constructed leak-proof, lined with HDPE sheets and protected
by brick lining
Lined with HDPE sheets and protected with Reinforced cement concrete(RCC)
Provisions for leachate collection gutter and sump well as well as spent wash
sprinkling pipeline network.
Provision of modern machinery for turning of wind rows and spraying of spent
wash
10.3.4 Solid hazardous waste management
Sugarcane trash, bagasse, press mud, ash, & ETP and yeast sludge are the major
source of land pollution, however factory has provided ash and press mud storage
area. Press mud will be sold to the farmer as manure. Sugarcane is an excellent
biomass resource; Cane trash’s calorific value is similar to that of bagasse. Hence it
is mixed with bagasse and burnt in the boiler as a fuel. Ash generated from the
bagasse is rich in potash; hence it is sold to farmers as manure.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Coal ash from the boiler will be sold to the brick-manufacturing unit. Spent wash
ash and Bagasse ash will be sold to farmer as it is rich in potassium. Bagasse ash is
partly send to the brick manufacturer
The Yeast sludge and sludge from ETP can be used as manure
Table 10.3: Quantification of Solid Waste
Sr. No.
Type of waste
Quantity Final Disposal
From existing Proposed
1. Press mud 200 TPD 300 TPD Press mud will be sold to the farmer as manure.
2. Bagasse Ash 25 TPD 240 TPD Bagasse ash will be sold to farmer as manure
3. Proposed Spent wash Ash
- 26-30 TPD Potash rich ash will sell to Farmers
4. Coal Ash - 134.4 Sent to Brick manufacturing
5. Domestic Negligible Negligible Local waste collection system
6. Spent oil Negligible Negligible Authorized recycler
10.3.5 Odor Management Plan
Anticipated odor generation sources will be molasses, fermentation unit, spent wash, ETP
septic tank, Yeast storage & ETP sludge.
Following control measures shall be implemented to avoid the odor in the atmosphere:
Better house-keeping
Whole process is work under closed conditions, close pipeline.
Spent wash from evaporation would be in a closed tank and directly send to the
incineration in boiler.
For proposed expansion no bio-methanation will be adopted.
Existing bio compost yard will be properly maintain to avoid nuisance smell.Proper
aeration shall be provided.
Fermentation unit will be provided with proper cover to avoid the spread of odor and
regular steaming of all fermentation equipment’s; temperature will be kept under
control during fermentation to avoid inactivation/killing of yeast; staling of fermented
wash would also be avoided.
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Use of mill sanitation biocides to minimize the growth of aerobic /anaerobic micro–
organisms.
Regular use of bleaching powder in the drains to avoid generation of putrefying
micro-organisms.
ETP and Yeast sludge will be used as manure.
Steaming of major pipelines
Proper operating condition will be maintained.
Proper cleaning of drains.
Efficient operation of ETP.
Well planned Greenbelt will be developed in and around the plant premises to
suppress the odor.
10.3.6 Greenbelt development
Development of greenbelt in and around the industrial complex is an effective way to
attenuate air pollution. The degree of pollution attenuation depends upon height, width,
foliage, surface area of leaf and density of planted trees. Greenbelt will be developed as
per CPCB guidelines. Taking into consideration ecological perspectives and availability of
space and other aspects greenbelt development has been planned for the proposed
project. This will help in increasing the aesthetic effect of the environment. Greenbelt will
be developed along most of the periphery of the project area as well as along roads for
avenue plantation. Existing green belt is 21 aces which is 33 % of the plot area i.e 64 acres.
However, Factory will be going to enhance the greenbelt in the factory premises.
Additional green belt will be develop on 1.5 acres. The following characteristics have been
taken into consideration while selecting plant species for green belt development and tree
plantation.
Fast growing
Thick canopy cover
Perennial and ever green
Large leaf area
Preferably Indigenous
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Resistant to pollutants and should maintain ecological balance for soil and geo-
hydrological conditions of the region.
Abundance of surfaces on bark and foliage through roughness of bark, epidermal
outgrowth on petioles, abundance of auxiliary hairs, hairs or scales on laminar
surfaces and protected stomata (by wax, arches, rings, hairs, etc.)
Since, the greenbelt development will be done as per the requirement i.e. type of activity
performed at a particular area/ block/ plot, thus the tree spacing will vary from plot to
plot. Therefore, approx. >600 plants (including trees and shrubs) are proposed for the
greenbelt development. The general guidelines for development of greenbelt will be as
follows:
Trees growing up to 5 m or more will be planted along the plant premises and
along the road sides
Planting of trees will be undertaken in rows.
Open areas inside the plant boundary will be covered with grass.
The spacing between the trees will be maintained slightly less than the normal
spaces, so that the trees will grow vertically and slightly increase the effective
height of the green belt.
Since the trunks of the tall trees are generally devoid of foliage, it will be useful to
have shrubs in front of the trees so as to give coverage to this portion.
Shrubs and trees will be planted in encircling rows around the project site.
The small trees (<10 m height) will be planted in the first two rows (towards plant
side) of the green belt. The tall trees (>10 m height) will be planted in the outer
three rows (away from plant side).
Trees should be planted along road sides, to arrest auto-exhaust and noise
pollution.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 10.4: Planned Schedule for greenbelt development
Trees interspacing
Planned scheduled
Tree density per 100 m2
Size/type Location Providing
3 x 3m 2018-19
25 Shrubs, small and medium trees
Near storage tanks, process area
- Plan to develop well designed greenbelt as per CPCB guidelines
- Irrigation facility for greenbelt
- Monitoring survival rate
- Providing fertilizers
5 x 5m 09 Medium to large size trees
Boundary of plot area, periphery of the factory
20-25m 04-05 Large size trees Road side large size trees
Table 10.5: List of Plant Species for Plantations
Sr. No. Species Name Local Name Habit No. of trees
to be planted
1. Cassia fistula Bahava Tree 20
2. Terminalia alata Ain Tree 20
3. Aegle marmelos (L.) Corr. Bel Tree 20
4. Limonia acidissima L. Kavath Tree 10
5. Erythrina indica Indian Coral Tree Tree 10
6. Azadirachta indica Linn. Neem Tree 30
7. Butea monosperma L. Palas Tree 20
8. Pongamia pinnata (L.) Pierre Karanj Tree 20
9. Dalbergia latifolia Roxb. Sisoo Tree 20
10. Michelia champaca Champak Tree 20
11. Ravenala madagascariensis Travellers palm Tree 20
12. Terminalia catappa L. Badam Tree 20
13. Syzygium cumini (L.) Skeels Jambhul Tree 20
14. Alstonia scholaris (L.) R.Br. Saptaparni Tree 20
15. Plumeria alba L. Chapha Tree 20
16. Tectona grandis L.f. Sag Tree 15
17. Ficus benghalensis L. Wad Tree 20
18. Ficus religiosa L. Pimpal Tree 10
19. Ficus racemosa L. Umbar Tree 10
20. Caryota urens L. Fish Tail Palm Tree 10
21. Nyctanthus arbor-tristis L. Parijatak Tree 10
22. Bombax ceiba Linn. Katesawar Tree 10
23. Murraya paniculata Kamini Tree 5
24. Cassia fistula bahava Tree 20
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Sr. No. Species Name Local Name Habit No. of trees
to be planted
List of Some Hedge Plants
25. Arabian Jasmine Butt mogara Shrub 30
26. Justicia adhatoda L. Adulsa Shrub 25
27. Nerium indicum Mill. Kanher Shrub 25
28. Tecoma stans (L.) H.B.& K. Tabobia/Phutani Shrub 10
29. Ocimum americanum L. Ran Tulas Herb 10
30. Hibiscus indicus Burm. F. Hochr Jasvand Shrub 10
Total 600
10.3.7 Management of traffic
The site is well connected Project site is connected to Gotkhindi-Walwa Road
adjacent to the factory, Walwa-Tasgaon Road 0.8 km in NE and NH4 (Mumbai -
Pune - Kolhapur – Goa) is 12 m in SW.
There is enough space for movements of vehicles and parking.
The traffic management on the project site is easily and smoothly monitored
without any hindrance to the regular flow of traffic on the main road.
Flow of traffic is eased out by providing adequate entries and exits from parking
areas
10.3.8 Rainwater Harvesting Plan
The Rain Water Harvesting (RHW) program can helps in many ways starting from
conservation of natural resources to prevention of soil erosion. Rainwater is very helpful
to industry in terms of saving of economy of water consumption. The rainwater collection
by roof top harvesting has been preferred at present for the proposed project. Proponent
has planned to conduct a detailed study after inception of proposed project for
assessment feasibility, suitability of available techniques for implementation of rainwater
harvesting program. Proponent has decided to conduct rainwater harvesting. The
collected rain water will be used for groundwater recharging. The probable available
catchment areas worked out to be approximately 19178 m2. The calculated harvesting
potential details are provided in Table 10.6.
Storm Water Drainage Line: Based on the rainfall intensity of the proposed area, storm
water drainage system will be designed at the construction stage of the project. Storm
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water drainage system will consist of well-designed network of open surface drains with
rainwater harvesting pits. A separate drainage system will be provided in which plant
effluent will not be mixed.
Conduits: Pipes will be used to carry rain water from catchment to the recharge pit,
passing through filter. A valve will be put at the end of wall for first flushing.
Filter: Sand Filter will be used to remove suspended pollutants from the rainwater.
Recharge: After filtration, water will be recharged using percolation pit, filled with pebbles
or brick and river sand and covered with perforated concrete slabs. Depth of recharge pit
will be designed according to ground water table of the area.
The quantum of water that could be harvested in the study area is calculated using the
formula,
Harvesting potential = Catchment Area (m2) * Runoff Coefficient * Annual Rainfall (m)
RWH Quantification
Runoff coefficient for calculating flow for rainwater design based on Central Pollution
Control Board Ministry of Environment & Forests data. Average rainfall of Sangli District
from last 10 years is 681.8 mm (Source. IMD)
Table 10.6: Incremental Run off due to project development
Particulars
Total rainfall 0.6818 m
Catchment area (m2) Rooftop area 19178
Run off co-efficient Rooftop area 0.95
Harvesting potential (m3) Rooftop area 19178 12421 m3
Recommendations: Owing to the nature of aquifer rock, i.e. moderately weathered,
fractured/jointed at most of the places, it is having moderate potential for recharge of
aquifers.
2. Recharge pit around the dug well is recommended on site.
3. A recharge pit of 1.0 m x 1.0 m x 1.5 m depth should be constructed around the with
filter media.
The size of the filter material is generally taken as:
Coarse sand – 1.5 to 2 mm
Gravels – 5 to 10 mm
Boulders- 5 to 20 cm
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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The filter material should be filled in graded manner. Boulders at the bottom, gravels in
the middle and coarse sand at the top. Inside this tube well a perforated casing should be
inserted up to the depth where the upper loose strata give way to the hard strata. The
annular space between the tube well and the slotted casing should be filled with gravel.
10.3.9 Occupational Health and Safety (OHS)
All precautionary methods will be adopted by the company to reduce the risk of exposure
of employees to occupational safety and health hazards. Pre & post medical check-ups
will be done of all the employees. Employees will be regularly examined and the medical
records will be maintained for each employee. Pulmonary function test and periodical
medical checkup shall be done once in every year. The following tests shall be conducted
for each worker.
Lung Function Test
Radiology – X-ray
Pulmonary Function Test
Audiometric Test
General clinical examination with emphasis on respiratory system
Pre-employment examinations
Periodical medical examinations at the time of employment and after completion
of employment
Following control measures will be taken for the employees and workers engaged in work:
Personal protective equipment’s will be provided to all concern staffs and workers.
All safety signs will be placed at proper location
First aid kits will be made available at every department
Medical checkup at regular intervals for monitoring of health status of all workers
Work permit system will be introduced to avoid un-authorized person‘s entry
Fire hydrant system, fire extinguishers will be provided at specific locations
All staff and workers will be trained to fight the emergency situation
Good housekeeping also plays important role in avoiding the undesirable
incidences. Therefore, good housekeeping practices will be employed.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Facilities such as provision of good quality water, sanitation and clean room for eating and
resting shall be provided. It is evident from the project details that the risk or accidental
spillage of chemicals may cause ill effects on the health of employees involved. In view of
the effect on the health of workers from various activities and exposure during the work,
required mitigation / control measures shall be implemented to reduce the associated risk
and hazards.
10.3.10 Risk Assessment
10.3.10.1 Storage & Transportation of RS/ENA
The proposed project will produce RS/ENA which is a flammable liquid. Leaving aside
earthquake, cyclone, lightning, flood, arson, war and sabotage, the possible emergencies
that can arise in the proposed project are:
Failure of vessels resulting in the release of RS/ENA.
Failure of pipelines resulting in the release of RS/ENA.
Failure of process equipment resulting in the release of RS/ENA.
Specific failures like accidental spillage of RS/ENA during handling.
Consequential fires involving the flammable materials.
10.3.10.2 Explosion of molasses tank
Proper ventilation shall be provided
Cooling system shall be provided
Inspection and regular monitoring of storage area
Training to Workers for proper handling
PPEs will be provided as Nose mask, Hand gloves.
Provision of level indicators for storage Tanks
Table 10.7: Hazards & Mitigation Measures Associated with RS/ENA
Description Clear Solution
Flash Point 21 0C
Boiling Point 78 0C
Specific Gravity 0.8
Toxic hazards Highly Toxic
Fire Extinguishing Media Use water, alcohol foam, dry chemical, carbon dioxide
Mitigation Measures Avoid breathing vapors.
Use Self Contained Breathing Apparatus.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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230 MITCON Consultancy & Engineering Services Ltd.
Fire fighters should wear proper protective equipment.
Adequate Fire Fighting arrangements will be made.
Spark & Leak arrestors will be provided at proper places.
During Transportation the electrostatic charges should be prevented to avoid the explosion.
10.3.10.2 Fire Fighting & Protection System
The firefighting system will be designed in conformity with the recommendations of the
Tariff Advisory Committee (TAC) of Insurance Association of India. While designing the
fire protection systems for this power station its extreme ambient conditions need
special attention. Codes and Standards of National Fire Protection Association (NFPA) will
be followed, as applicable. The different types of fire protection / detection system
envisaged for the entire project are given below.
Hydrant System for entire area of power plant.
High Velocity Water Spray System (HVWS) for Generator Transformer (GT),
Unit Auxiliary transformer (UAT), Station Transformer (ST), and turbine lube oil
canal pipe lines in main plant, Boiler burner front, diesel oil tank of DG set, main
lube oil tank, clean and dirty lube oil tanks.
Medium Velocity Water spray system – Cable gallery / Cable spreader room,
bagasse conveyors, Transfer points and F.O. pumping station and F.O. tanks.
Foam system for Fuel oil tanks.
Portable and mobile fire extinguishers for entire plant.
Fire tenders (minimum 2 nos.).
Inert Gas System for Central Control Room, Control Equipment Room, Computer
Room and UPS Room in the TG building.
Fixed Foam System: This system is provided for LDO and HFO storage tanks. The
water for the foam system will be tapped from the Hydrant system.
Inert gas system: Inert gas system will automatically detect and suppress fire
within a protected area. The system will be a total flooding fire suppression
system with automatic detection and/or manual release capability. Complete
system design will be in accordance with NFPA. The inert gas system will be
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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generally provided above false and below false ceiling of Central Control room,
UPS Room, Control equipment room and Computer room.
Fire Detection and alarm system
Fire Detection and alarm system will be provided for all Central Control room, Control
Equipment Room, battery rooms, all switchgear rooms / MCC rooms, Cable spreader room
and Computer rooms located in Power block area and in other auxiliary buildings.
A microprocessor-based Fire Detection and Alarm system shall be provided for the
entire plant area consisting of Intelligent Analog Addressable type detectors. The system
will consist of a central monitoring station and the main Fire Alarm Panel (FAP) located in
unit control room and one fire alarm and control panel and repeater panel provided in the
fire station office
An industrial siren will be installed in the turbine generator building. The siren shall have
an audible range of 3 km and produce a minimum sound level of 80 dB (A) above any
other noise likely to persist for a period longer than 30 seconds. Additionally all exit
routes and hallways in each occupied building shall be provided with sounders and flash
light to facilitate safe evacuation in case of fire in the area. All necessary instruction and
warning plates will be displayed.
10.3.11 Socioeconomic Development
Proponent is planning to implement the Corporate Environment responsibilities (CER)
activities for the nearby areas like infrastructure facility development, to make the
provision of health and sanitation facilities considering the local people requirement and
in consultation with district collector whenever needed. The company is planning to
spend Rs. 2.87 cr. which is about 0.5% (Brownfield project >500 cr. investment) of
additional capital investment project cost (574.38 cr.) within a period of 3 years. The time
bound action plan for implementation of CSR activities is given in Table 10.8
Proposed CER activities:
Construction roads in the locality
Skill development programs
Close drainages in villages
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
Padmabhushan Krantiveer Dr. Nagnathanna Nayakawadi Hutatma Kisan Ahir SSK Ltd. EIA Report
232 MITCON Consultancy & Engineering Services Ltd.
Lighting by CFL bulb / solar street lamps.
Free health camp
Drinking water supply
Table 10.8: CER Activity Action Plan
CER activity 2019-20 (Lacs)
2020-21 (Lacs)
2021-22 (Lacs)
Total (Lacs)
Lighting by CFL bulb/ Solar panels 10 10 10 30
Free health camp 20 20 12 52
Providing Water filters 20 10 10 40
Construction roads in the locality 20 15 10 45
Skill development programs 10 10 10 30
Close drainages in villages 20 20 10 50
Drinking water facilities/storage tanks 20 10 10 40
Total 120 95 72 287
10.4 Environment Management Cell (EMC)
Environmental Management Cell will be established, which will be supervised and
controlled by an independent Plant Manager supported by a team of technically qualified
personnel apart from other operating staff.
It will be the responsibility of this Cell to supervise the monitoring of environmental
attributes viz. ambient air quality, water and effluent quality, noise level etc either
departmentally or by appointing external agencies wherever necessary. In case the
monitored results of environmental contaminants are found to exceed the standard
limits, the Environmental Management Cell will suggest remedial measures and get them
implemented.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Figure 10.1: Environment Monitoring Cell
Table 10.9: Environment Monitoring Cell and its responsibilities
Sr. No.
Members Number Responsibility
1. Chairman One Overall implementation of environment management in the factory.
2. Managing Director
One Supervision of overall implementation of environment management in the factory.
3. Process manager/ Distillery Manager
One Implementation of mitigation measures considering all environment components.
4. Environment Officer
One Implementation of mitigation measures considering all environment components, Health and safety of the workers. Technical advisory for all legal issues of environment as well as implementation of Environment Management in the Factory. Arranging the training programs for staff. Monitoring of efficiency of pollution control equipment’s, Water and energy conservation measures, Maintenance, supervision on housekeeping, ETP, Supervision and record keeping of compliance of all regulatory authorities.
5. Lab chemist One Monitor the work environment, health and safety of the workers. Implementation of occupational health and safety policies, program, procedures. Undertaking the Awareness activities.
Chairman
Managing Director
Process Manager/ Distillery Manager
Environment Officer
Lab Chemist
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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234 MITCON Consultancy & Engineering Services Ltd.
10.4.1 Responsibilities of Environmental Management Cell
The EMC has the responsibility to supervise all the activities in the plant to ensure that
those are being carried out as per the standard operating procedure to avoid any type
harm to the environment. The EMC also undertake periodical monitoring or survey of
various environmental parameters including monitoring and analysis of effluent, air, water
and noise to ensure that these parameters are maintained within the prescribed limits. If
any deviation observed, they will inform to initiate corrective action by the concern
department or they will do themselves if required.
They also undertake the physical survey of the green belt to ensure required growth and
survival rate of the plant. They will also inform the concern department for corrective
action if any to have proper growth of the plants.
Environmental monitoring: EMC will ensure that pollution is well below the prescribed
limits or there is no much difference between the present concentrations and baseline
data. If wide difference is observed then they will need to initiate required corrective
action either by optimizing the treatment process or by providing equipment or improving
the performance of existing pollution controls equipment. In case the results indicate
parameters exceeding the prescribed limits, remedial actions will be taken through the
concerned plant people. The actual operation and maintenance of pollution control
equipment will be the responsibility of respective department head or a plant in charge.
Legal and statutory compliance: EMC will also supervise the work of other department
pertaining to the activities of preparation of environment statement report, environment
audit, Water Cess return and consent application as per the requirement under various
Rules and regulations. They will also guide the HODs of individual department to fulfill the
statutory requirements under various acts and applicable rules. Following Rules shall be
applicable to the facility:
The Water (Prevention and Control of Pollution) Act, 1974
The Air (Prevention and Control of Pollution) Act, 1981
Hazardous and Other Waste (Handling and Trans-boundary Movement) Rules,
2016
The Environment Protection Act, 1986
Explosive Act 1884 & the Explosive Rules, 2008
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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E-Waste (Management) Rules, 2016
Documentation: The cell will also be responsible for maintaining the records of data,
documents and information in line with the legislative requirement and will regularly
furnish the same to the concern statutory authorities.
10.5 Post Clearance Monitoring Protocol
After grant of environmental clearance by the MoEFCC, half yearly compliance reports will
be submitted in hard and soft copies to the concerned regional MoEFCC office on 1st June
and 1st December of each calendar year with respect to EC conditions. All such compliance
reports submitted will be the public documents. Copies of the same will be made available
to the stakeholder upon the request. Existing factory has submitted all compliance to the
regional MoEFCC office.
10.6 Environment Management Plan Implementation schedule
Four components are essential for effective implementation of EMP:
Training & Development
Communication
Review & Revision
Evaluation
Training & Development
General environmental awareness shall be provided for all members of staff, with specific
information and/ or training given to those responsible for environmental management
tasks. Communication
Company shall regularly keep practice of communication with employees and outsiders in
action. All communication done with employees and those outside of the company, such
as farmers, industries or business house, should be documented.
Revision & Review
Management shall review and update the EMP regularly to ensure it reflects the current
situation in the company. An annual review is required as a minimum. After review,
management shall make the necessary changes as required and update them into the
EMP. Any changes shall be properly updated in all relevant section or part of the EMP.
Evaluation
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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236 MITCON Consultancy & Engineering Services Ltd.
Evaluating (checking) the environmental performance, discovering problems and
correcting them. Monitoring and Evaluation (M&E) of EMP provides useful feedback to
the management on their own actions. So that management can evaluate the cause of any
problem, check on compliance, find the lacunae in performance and become more
efficient and recognize success and achievements.
Implementation of Pollution control equipment’s
Pollution control equipment’s will be installed during commissioning of the project.
General plan for EMP implementation is given below.
Table 10.10: EMP implementation phases during Construction
Sr. No.
Activity Responsibility Implementation Record
1. Water Pollution Control devices
Site engineer /supervisor and safety officer
Immediate during construction work
Water consumption records Supervision of Hygiene facilities, sewage disposal, PUC certificate
2. Air Pollution Control devices
Site engineer /supervisor And safety officer
Immediate during construction work
Monitoring record Records of occupation health checkup
3. Noise pollution
Site engineer /supervisor and safety officer
Immediate during construction work
Vehicular check record
4. Solid waste Management
Site engineer /supervisor and safety officer
Immediate during construction work
Records of construction waste generation & disposal
5. Greenbelt development
Site engineer /supervisor and safety officer
Gradually during construction and commissioning
Record of planting, mainly around the factory supervision on irrigation facility and survival rate
6. Occupational Health and Safety
Site engineer /supervisor and safety officer
During construction work
Record and Supervision of Personal protective equipment’s provided Record of all safety signs Record of First aid kits Record of medical check up Supervision and record of good house keeping
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 10.10: EMP implementation phases during Operation
Sr. No.
Activity Responsibility Implementation Record
1. Water Pollution Control devices
Process manager/ Distillery manger/ Environment Officer
Immediate implementation Installation/up gradation of ETP. Spent wash treatment though MEE and Spent wash fired boiler Commissioning during Construction
Record of ETP performance, inlet, and outlet characteristics. Record of third party laboratory analysis report analysis. Regular inspection record, control & necessary maintenance for reduction of evaporation loss and blow down from cooling system, Optimization of COC in cooling system.
2. Air Pollution Control devices
Process manager/ Distillery manger/ Environment Officer
Immediate during construction work
Ambient and stack Monitoring record. Maintains record for storage of raw material and products
3. Noise pollution
Process manager/ Distillery manger/ Environment Officer
Immediate during Operation
Record of noise monitoring. Supervision record for Acoustic enclosure to DG, Boiler, insulation wherever needed, acoustic laggings and silencers
4. Solid waste Management
Process manager/ Distillery manger/ Environment Officer
Immediate during operation
Records of generation of solid waste. Supervision record of storage and disposal solid waste.
5. Greenbelt development
Process manager/ Distillery manger/ Environment Officer
Gradually during Operation
Record of planting/number of plants planted and to be plant, supervision on irrigation facility and survival rate ensuring healthy and dense greenbelt.
6. Rainwater harvesting and storm water drainage
Process manager/ Distillery manger/ Environment Officer
Gradually during construction and operation
Record of rainwater harvesting plan in the factory, No. of recharge pit provided and location of the same. Record of supervision and maintenance.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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238 MITCON Consultancy & Engineering Services Ltd.
Sr. No.
Activity Responsibility Implementation Record
7. Occupational Health and Safety
Process manager/ Distillery manger/ Environment Officer
During Operation
Record and Supervision of Personal protective equipment’s provided. Record of all safety signs Record of First aid kits Record of medical check up Supervision and record of good house keeping Record ad supervision of firefighting equipment’s provided and its regular check/
8. CER Chairman/Managing Director /Process manager/ Distillery manger/ Environment Officer
During Operation
Maintain separate record of CER activity carried out year wise and amount spent on that.
9. Resource saving, Recycle/ Recovery
Process manager/ Distillery manger/ Environment Officer
During Operation
Reuse of process water, recycling of ETP treated water, recycling of used oil, use of power saving equipment’s, natural ventilation designs in construction phase, use of thermal insulations wherever heat transfer is anticipated, CFL lighting, photosensitive switches, rainwater harvesting
10.7 Environment Management Cost
Major potential environmental impacts from proposed project will be from Effluent
disposal, solid waste generation, wastewater generation, and flue gas emission. However,
an effective environment management plan and its implementation reduces level of
significant impact on the environment. Factory will implement effective occupational
health and safety measures.
Environment management cost will be around Rs. 10.5 cr. & recurring cost will be 37.3
lakhs.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Table 10.11: Environment Management Cost
Sr. No Description Capital Cost (Rs. in lakhs)
Recurring Cost (Rs. in lakhs)
1. Air Pollution Control 700 10
3. Sugar ETP 250 5
4. Solid waste Management - 7
5. Environmental Monitoring and Management
40 3
6. Rainwater Harvesting 25 4
7. Occupational Health 20 4.8
8. Green belt development 15 3.5
Total 1050 37.3
10.9 Conclusion
Major potential environmental impacts from proposed project will be from solid waste
generation, wastewater generation, ground water exploitation, and flue gas emission.
However, an implementation of environment management plan reduces level of
significant impact on the environment. Factory will implement effective occupational
health and safety measures. Hence, proposed project will be environment friendly and
safe.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER XI SUMMARY & CONCLUSION
This chapter executes summary of whole EIA report which includes project description in
brief, environmental setting in 10 km radius, impact identification and mitigation
measures, and environmental management plan. Moreover brief information of Post
mentoring program and risk assessment is also furnished in this chapter. An EIA report for
proposed project has been prepared as per the ToR issued and as per generic structure as
per EIA notification 2006 and amendment thereof.
11.1 Scope of the study
As per EIA Notification dated 14th September, 2006 and as amended from time to time;
this project falls under Category “A”, Project or Activity 5 (g), 5(h) & 1 (d) ii [All
molasses/non-molasses based distilleries ≥60 KLPD], hence Environmental Clearance is
required from MoEF&CC, New Delhi.
The project has received a standard ToR on 11th March, 2018. ToR Letter was issued by
MoEFCC, New Delhi vide file No.IA-J-11011/25/2018-IA-II(I) for the preparation of EIA /
EMP Report.
11.2 Project information in brief
Table 11.1: Project information
# Particulate Description
1. Project Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (24 to 44 MW) Project
2. Available land Total plot area : 64 acres Green belt area: 20.7 acres Proposed Greenbelt: 1.36
3. Product Sugar Crushing capacity existing: 5000 TCD, Proposed: 7500 TCD Sugar production existing : 19500 MTM Proposed: 29250 MTM Cogeneration: Existing power generation 4.5 MW, Proposed 44 MW (Existing TG will be demolished) Distillery: ENA/RS/AA/Ethanol of 100 KLPD (One at a time)
4. By products Existing 500 TCD Proposed (7500 TCD)
Sugar (TPD) (13% on cane)
650 975
Bagasse (TPD) 1400 2100
Press mud (TPD) 200 300
Molasses( TPD) 48000 72000
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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5. Operation days Sugar factory season: 160 day Cogeneration : 193 (Seasonal operational days 160 and off season operational days 33) Distillery: 300 days Existing distillery is operated on molasses. In proposed distillery expansion additional 70 KLPD distillery/ethanol plant will be alternatively operated on sugarcane juice or molasses. As per availability of feedstock operation days of proposed additional expansion of 70 KLPD will be 300 days for only molasses or molasses + sugarcane juice or only sugarcane juice
6. Sugarcane required Existing: 5000 TCD Proposed :7500 TPD
7. Molasses requirement
Existing required for 36000 T for 30 KLPD Proposed required for 120000 T for 100 KLPD (Molasses available with Factory is 54000 TPA remaining 66000 TPD molasses will be procured from the nearby factory). Molasses supply assurance letter is available with factory
8. Sugar cane juice 1500MTD
9. Water requirement Sugar and cogeneration
Existing sugar 360 CMD
Proposed 150 CMD Distillery
Existing 200 CMD
Proposed 590 CMD
10. Source of water Water permission is available from Executive Engineer, Sangli Irrigation department.
11. Boiler Exiting sugar boiler: 50 TPH X 1 and 28 TPHX 2 (Existing boiler shall be demolished) Proposed Sugar Boiler: 220 TPH (New incineration boiler for distillery: 40 TPH
12. TG Exiting TG : 4.5 MW (It will be demolished) Proposed TG: 44 MW, Proposed distillery incineration boiler 4 MW TG
13. DG 1 No. D.G. Set Of 1000 KVA Exist. & 2 Nos. Set Of 1000 KVA Prop.
14. Electricity requirement
Particulates Existing Proposed
Electricity generation Electricity consumption Electricity Export
4.5 MW 4.5 MW 00 MW
44 MW 9.3 MW 34.7 MW
15. Fuel- Bagasse
Particulates Existing Proposed
Bagasse production (27.5% on cane TPD)
1375 2062
Required for boiler 1150 1684
Bagasse save 56.25 84.38
16. Fuel Biogas 14000 CMD
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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17. Fuel Coal For incineration boiler 20% of total fuel 384 MT / DAY
18. Steam Existing steam generation 100 TPH Steam Generation from proposed boiler220 TPH boiler is 200 TPH
19. Total effluent generation
Existing from sugar unit: 459 CMD Proposed from Sugar unit: 799.46 CMD Existing Distillery effluent generation: spent wash 240 CMD, spent lees 53 CMD, process condensate 186 CMD Proposed 100 KLPD distillery effluent: Spent wash 600 CMD, spent lees 253 CMD , Process condensate 430 CMD
20. Effluent treatment system
Existing 500 CMD ETP from sugar unit For proposed expansion ETP capacity will be upgraded to 800 CMD. Treated water is recycled/reused in green belt development and ferti-irrigation. Total Spent wash generation will be 600 CMD. For existing unit spent wash is treated trough Biogas unit followed by Multi effect evaporator (MEE) followed by Bio composting. For Proposed 70 KLPD expansion spent wash will be treated through generated spent wash will be concentrated in MEE and then burn in proposed 40 TPH spent wash fired boiler.
21. Ash Sugar
Existing bagasse ash generation: 25 TPD
Proposed bagasse ash generation: 42 TPD Distillery
Coal ash from proposed distillery: 134.4 TPD
Spent wash ash from proposed distillery: 22-23 TPD
Bagasse and spent wash ash collected from the furnace bottom hoppers and high potash content in the bagasse ash will be used as manure. Coal ash will be sold to the brick manufacturer.
22. ETP sludge The sludge from primary clarifies, settling tank and secondary clarifier will be sent to sludge drying beds. Sludge will be dried in natural heat of sunlight. The dried cakes will be scrapped off periodically and can be utilized for as manure.
23. Air pollution control measures
Proposed: Electrostatic precipitator Existing: Wet scrubber (It will be demolished and new ESP will be installed) Proposed Stack height: 72 m Existing stack height: 30 m and 40 m will be demolished and new stack of 72 m will be installed.
24. Man-power Existing manpower sugar 80 skilled and unskilled 400 For proposed expansion & Cogeneration Skilled 40 and unskilled 100 Existing Distillery skilled 10 & Unskilled 25 Proposed expansion of distillery skilled 15 & unskilled 75
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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11.3 Other raw material requirements for the project
Table 11.2: Raw material details
Sr. No.
Raw material Existing Proposed Storage Source Mode of Transport
1. Sugarcane (TPD) 5000 7500 Cane yard Nearby Market Trucks, TRACTOR
2. Molasses (TPD) requirement
120 400 Steel Tank Own Factory Thr. pipeline
3. Coal(TPH) Nil 16.00 Nearby Market Truck
4. Lime (TPD) 8.00 12.00 Godown -do- -do-
5. Sulphur(TPD) 2.5 3.75 Godown -do- -do-
6. Hydrochloric acid kg/day
15.00 30.00 Carboys -do- -do-
7. Sodium chloride - - - -do- -do-
8. Phosphoric acid 50 80 carboys -do- -do-
25. Total project cost Sugar expansion: Rs. 20722 Lakhs Cogeneration expansion: Rs.22101 Lakhs Project cost of the distillery: Rs. 14615 Lakhs Total: Rs. 57438 Lakhs
26. Total EMP capital cost
Total 10.5 cr.
Environment Sensitivity
1. Nearest Village Walwe at 500 m
2. Nearest Town / City Islampur is 12 km away and Sangli 27 km.
3. Nearest National Highway
NH4 (Mumbai - Pune - Kolhapur – Goa) is 12 m in SW.
4. Nearest Railway station
Kirloskarvadi railway station 8.82 km in NE, Sangli Railway station 26.67 km in SE
5. Nearest Airport Kolhapur airport (IXU) 42 km Pune international airport 178 km
6. National Parks, Reserved Forests (RF) / Protected Forests (PF), Wildlife Sanctuaries, Biosphere Reserves, Tiger/ Elephant Reserves, Wildlife Corridors etc. within 10 km radius
No any in within 10 km of project area Chandoli National Park 55 km Radhanagari wildlife sanctuary 79 km
7. River / Water Body (within 10 km radius)
Krishna river : 2.2 km in West
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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kg/d
9. Lubricant Oil L/d 150 225 drums -do- -do-
11.4 Process Description
Sugar
The major units of operations of sugar factory are –
Extraction of Juice
Clarification
Evaporation
Crystallization
Centrifugation
Distillery
Alcohol will be manufactured by continuous fermentation process. Existing distillery is
operated on molasses. In proposed distillery expansion additional 70 KLPD
distillery/ethanol plant will be alternatively operated on sugarcane juice or molasses. As
per availability of feedstock operation days of proposed additional expansion of 70 KLPD
will be 300 days for only molasses or molasses + sugarcane juice or only sugarcane juice.
The main steps in this molasses based operation are as follow,
Feed preparation and weighing
Dilution: Preparation of molasses for fermentation by appropriate dilution with water
Fermentation: Production of alcohol from fermentable sugars in molasses solution
with the help of yeast
Distillation: Product recovery through distillation processes
The main steps in this sugarcane juice based operation are as follow
1. Milling
2. Juice Clarification
3. Evaporation
4. Fermentation
5. Distillation
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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11.5 Description of the environment
The study area as per awarded model TOR, 2015 is earmarked to be 10 km from the
project site. The study period conducted was from March 2018 to May 2018. The guiding
factors for the present baseline study are the requirements prescribed by the guidelines
given in the EIA Manual of the MoEFCC and methodologies mentioned in Technical EIA
Guidelines Manual for Distilleries by IL&FS Ecosmart Ltd., approved by MoEFCC.
Frequency of environment monitoring considered is given in Table 11.3.
Table 11.3: Environmental Parameter & Frequency of Monitoring
Components Parameters Frequency Methodology adopted Ambient air quality
PM2.5,PM10,SO2,NOx,
Ambient air quality samples are monitored at 9 locations for 24 hours twice a week for the study period
PM10/PM2.5: Gravimetric method SO2: Modified West and Gaeke Method. (IS : 5182, Part II) NOx : Jacobs and Hochheiser Method. (IS 5182 Part VI)
Meteorology Surface : Wind speed and direction , temperature, relative humidity and rainfall
Primary data: Hourly continuous readings during the study period at plant site secondary data collected IMD
Monitoring data for primary data IS: 8829
Water quality Physical, Chemical and Bacteriological parameters.
Primary data :- Ground water samples were collected from 9 locations and 2 surface water samples were collected from one locations
Standard methods for Examination of Water and Wastewater’ published by American Public Health Association (APHA)
Ecology Terrestrial fauna and flora and River ecology
Field survey conducted in 10 km study area, once during the study period
Listing of floral and faunal species.
Noise Noise levels in dB(A)
Continuous 24 – hourly monitoring at 9 locations once during the study period
IS: 4954 as adopted by CPCB.
Soil Physico-chemical Sampling at 9 locations around project site once during the study period.
BIS specifications
Socioeconomic Data
Socio-economic characteristics of the affected area
General in 10 km radial study area and data collected around the project site through field visits
-
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Land use pattern
Land use for different categories
10 km radius, Based on data published in Primary Census Abstract and satellite imagery LISS –III
Topo-sheets Satellite imageries
Geology and hydrogeology
Type, drainage etc.
Field Observations in 10 km study area and from secondary data
Authenticate published data.
Table 11.4: Observation of Environmental monitoring
Environmental Attributes
Frequency of monitoring Parameters Observed Results (March 2018- May 2018)
Meteorology Microprocessor based Weather Monitoring Station Continuous hourly recording
Wind speed, Max 28-30 km/h
Wind direction W and SW
Max. Temp. 430C
Mini. Temp. 6.5 0C
Relative Humidity Max 77
Precipitation Monthly total annual avg. 681.8 mm
Ambient Air Quality
9 Locations 24 hourly samples Twice a week for 3 months (in µg/m3)
PM10 All parameters are within NAAQ 2009 standards. PM2.5
SO2
NOx
CO
Water Quality (Ground & Surface)
Once in season at 11 locations (Physical, chemical and biological parameters)
Colour All parameters are within limit except MPN count and E-Coli in surface water as well as ground water.
pH
TDS
COD
E-Coli
Soil Quality Once in season at 8 locations
Soil type and texture, Physico-chemical properties, NPK
Dark brown to black, clay loam, soil is medium in fertility, good water holding capacity, heavy metal contamination signs not seen.
Noise Quality Once in season at 9 Locations (Noise levels in dB(A))
Day 42.6-66.5
Night 39.5-65.5
Land use Pattern
One time visit of the study area for ground truthing
Identification & classification of land use
Most of the land is Agricultural land followed by Barren land
Geology and hydrogeology
Once in study period Geology and hydrogeology of the study area
Basaltic lava flows, the ground water in Deccan trap basalt occurs mostly in the upper weathered
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Environmental Attributes
Frequency of monitoring Parameters Observed Results (March 2018- May 2018)
and fractured parts down to 20-25 m depth, alluvium occurs in small areas.
Ecology General in 10 km radial study area and data collected around the project site through field visits
Flora Accasia sp. Azadirachta indica , Cassia tora, Senna siamea etc.
Fauna Common mormon, Lemon pansy, green bee-eater, drongo etc.
Socioeconomic Data
General in 10 km radial study area and data collected around the project site through field visits
Socio-economic characteristics of the affected area
Sanitation facilities are unsatisfactory, Power supply facility is available in almost villages and town, Drinking water sources is mostly from PWD water supply, Medical facilities in terms of primary health center and primary health sub centers in the rural areas are good.
11.6 Anticipated Environmental Impacts
Anticipated environmental impacts due to operation of the proposed project are given in
below Table 11.5
Table 11.5: Anticipated Impacts
Environmental Facets Anticipated Impacts
Air Environment Probable increase in concentration of air pollutants due to process, fugitive, and utility emissions.
Water Environment Generation of industrial & domestic wastewater.
Land Environment Impacts on land due to improper disposal of hazardous/ solid waste.
Ecological Environment Positive as greenbelt of appropriate width will be developed and maintained by the factory in the area. No impacts are envisaged on aquatic flora & fauna as there will be zero effluent discharge outside the plant premises.
Social Environment Overall development of the area in respect of the infrastructure development, educational growth, health facilities etc.
Economic Environment Positive impacts on economy of the region and the country as the Alcohol will be exported and revenue generation.
Noise Environment Minor increase in noise level within the project area.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Occupational Health & Safety
Major health hazards are identified in worst case scenario.
11.7 Environmental Monitoring Program
Table 11.6: Environmental monitoring schedule
Sr. No. Particulate Parameters Number of location Frequency
13. Ambient air quality
PM10, PM2.5, SO2, NOx, CO, etc.
Ambient air quality at minimum 3 locations. Two samples downwind direction at 500m and 1000m respectively. One sample upwind direction at 500m.
Monthly
14. Stack gas PM, SO2 and NOx Number of stacks Monthly
Online stack monitoring is installed for existing system.
-
15. Work place PM2.5, SO2, NOx, CO, O3
Process emission in workplace area/plants (for each area/plant minimum 2 locations and 1 location outside plant area near vent)
Monthly
16. Waste water
pH, EC, SS, TDS, O&G, Ammonical Nitrogen, COD, BOD, Chloride, Sulphides etc.
Wastewater from all sources. Inlet & outlet of ETP, spent wash, Condensate treatment plant
Monthly
Online Monitoring machine is already installed at existing ETP. Camera at spent wash tank is also installed.
17. Surface water and ground water
pH, Salinity, Conductivity, TDS, Turbidity, DO, BOD, Phosphate, Nitrates, Sulphates, Chlorides, Total Coliforms (TC) & E.Coli
3-5 location Ground as well as Surface water. Within 1 km radius from spent wash tank and compost yard. 2 locations downward 1 location upward additional three locations within 10 km radius from the site. River sample One each at upstream and downstream
Half yearly
18. Solid waste Ash Process dust generated sludge and ash.
Before used as manure if
Monthly
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Sr. No. Particulate Parameters Number of location Frequency
used manure
19. Soil Organic and Inorganic matter
N, P, K, moisture, EC, heavy metals etc.
At lands utilizing compost manure and treated effluent, 3 locations
Pre –monsoon and Post monsoon
20. Noise Equivalent noise level - dB (A) at min. Noise Levels measurement at high noise generating places as well as sensitive receptors in the vicinity
5 location At all source and outside the Plant area.
Monthly
21. Green belt Number of plantation (units), number of survived plants/ trees, number of poor plant/ trees.
In and around the plant site Monthly
22. Soil Texture, pH, electrical conductivity, cation exchange capacity, alkali metals, Sodium Absorption Ratio (SAR), permeability, porosity.
2-3 near Solid/ hazardous waste storage. At least five locations from Greenbelt and area where manure of biological waste is applied. Near spent wash storage lagoon
Quarterly
23. Occupational health
Health and fitness checkup of employees getting exposed to various hazards and all other staff
All worker Yearly/ twice a year
24. Emergency preparedness, such as fire fighting
Fire protection and safety measures to take care of fire and explosion hazards, to be assessed and steps taken for their prevention.
Mock drill records, on site emergency plan, evacuation plan
Monthly during operation phase
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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11.8 Additional Studies
The following Additional Studies were done in reference to the awarded Terms of
References issued by MoEFCC, New Delhi.
Public Consultation
Risk Assessment for storage and handling of alcohol and mitigation measure due to
fire and explosion and handling areas.
11.9 Project Benefits
1. The command area is rich in sugar cane cultivation and has adequate irrigation
facilities for assured annual sugarcane availability
2. Readily available infrastructure, fuel, & water for renewable energy power generation
project.
3. Provides an initiative to sugar mill to concentrate more on conservation of energy &
reduction of operating cost, thereby improving their profitability of operation.
4. Saves the expenditure on safe storage and disposal of bagasse.
5. Benefits of quick return on biomass power capital investment and generation of
additional revenue.
6. The economic benefits available to the sugar factories from sale of exportable surplus
and improvement in the operations
7. Entire integrated project is proposed to be set up based on the stand-alone
commercial viability of each component of the project.
11.10 Environmental Management Plan
Following mitigation measures shall be adopted by factory to minimize the impact of
project on the surrounding environment.
Table 11.7: EMP for various Environmental Attributes
Environmental Attributes
Mitigation Measures
Air Quality Management
Process Emission
ESPs shall be provided for PM emissions.
The whole process will be carried out in closed condition so as to avoid any chances of VOC emissions.
Utility Emission
All the D.G. sets shall be standby arrangement and will only be
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Environmental Attributes
Mitigation Measures
used during power failure.
Adequate stack height shall be provided to Boiler and D.G. sets.
Electrostatic Precipitator shall be provided as an air pollution control device to the boiler with approximately 99% efficiency to capture maximum boiler fly ash.
Fugitive Emission
The main raw material and product shall be brought in and dispatched by road in covered enclosures.
Dust suppression on haul roads shall be done at regular intervals.
Water & Wastewater Management
The proposed Sugar and distillery would be based on “Zero Liquid Discharge “technology.
Total Spent wash generation will be 600 CMD. For existing unit spent wash is treated trough Biogas unit followed by Multi effect evaporator (MEE) followed by Bio composting. For Proposed 70 KLPD expansion spent wash will be treated through generated spent wash will be concentrated in MEE and then burn in proposed 40 TPH spent wash fired boiler.
The Process condensate, spent lees will be cooled and will be treated in Condensate Polishing Unit, after treatment of which it will be recycled back to the process again.
Domestic wastewater will be treated in proposed STP. The treated water will be used for gardening.
Proper storm water drainage will be provided during rainy season to avoid mixing of storm water with effluent.
Rain water harvesting from the catchment area will be done for the proposed distillery project.
Noise Management Closed room shall be provided for all the utilities so as to attenuate the noise pollution.
Acoustic enclosure shall be provided to D.G sets.
Free flow of traffic movement shall be maintained. Earmuffs shall be used while running equipment’s of the plant.
Proper maintenance, oiling and greasing of machines at regular intervals shall be done to reduce generation of noise.
Greenbelt shall be developed around the periphery of the plant to reduce noise levels.
Odour Management Odor shall be primarily controlled at source by good operational practices, including physical and management control measures.
Better housekeeping will maintain good hygiene condition by regular steaming of all fermentation equipment.
Use of efficient biocides to control bacterial contamination.
Control of temperature during fermentation to avoid in-activation/ killing of yeast.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Environmental Attributes
Mitigation Measures
Avoid staling of fermented wash.
Solid & Hazardous Waste Management
The hazardous waste i.e. spent oil generated shall be very minor and shall be burnt in boiler along with fuel.
Boiler coal ash shall be sold to brick manufacturer.
Bagasse and spent wash ash will be used as
ETP & yeast sludge can be used in greenbelt development
Traffic Management Culverts shall be maintained.
The trucks carrying raw material & fuel shall be covered to reduce any fugitive dust generation.
Good traffic management system shall be developed and implemented for the incoming and outgoing vehicles so as to avoid congestion on the public road.
Green Belt Development / Plantation
Plantation shall been done as per Central Pollution Control Board (CPCB) Norms.
The plantation in and around the plant site helps/will help to attenuate the pollution level.
Native species shall be given priority for Avenue plantation.
Corporate Social Responsibility
An amount of INR 2.87 Cr. (As CER OM dated 1.05.2018 Brownfield project. 0.5% of total project cost) will be allocated for CSR activities in the coming 3 years which will be utilized on the basis of requirement for weaker sections of the society for next 3 years.
Occupational Health & Safety
Factory shall monitor the health of its worker before placement and periodically examine during the employment
Health effects of various activities and health hazard if any observed shall be recorded and discussed with the health experts for corrective and preventive actions need to be taken by the industry
All safety gear shall be provided to workers and care shall be taken by EMC that these are used properly by them. All safety norms shall be followed
11.11 CONCLUSION
Present factory has committed to implement all the pollution control measures to protect
the surrounding environment. The project can definitely improve the regional, state, and
national economy. Industrial growth is an indication of socio economic development. The
implementation of this project will definitely improve the physical and social
infrastructure of the surrounding area. Moreover, it is safe to say that the project is not
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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likely to cause any significant impact on the ecology of the area, as adequate preventive
measures will be adopted to contain the various pollutants within permissible limits.
Green belt development around the area would also be taken up as an effective pollution
mitigation technique, as well as to control the pollutants released from the premises.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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CHAPTER XII: DISCLOSURE OF CONSULTANT
Chapter provides the information of Environment consultant involved in preparation of
Environment Impact Assessment Report, NABET accreditation status of the Consultant organization
and team of experts involved in preparation of EIA report.
12.1 Background of the organization
MITCON Consultancy and Engineering Services Ltd., (MITCON) is a rapidly growing, an ISO
9001-2008 certified Consultancy Company, promoted by ICICI, IDBI, IFCI, and State
Corporations of Maharashtra and Public Commercial Banks. It was founded in 1982; with
Head Office at Pune and with supporting offices spread over entire country including
Mumbai, Delhi, Bangalore, Hyderabad, Chennai, Chandigarh, and Ahmadabad etc. With
experience, expertise, and track record developed over last almost three decades,
MITCON provides diverse range of macro and micro consultancy services in the areas of
Environment Management and Engineering (EME).
Energy Efficiency.
Biomass and Co-gen power.
Agricultural Business and Bio-technology.
Infrastructure.
Market Research.
Banking Finance and Securitisation.
Micro Enterprise Development.
IT Training and Education
12.2 Environmental Management and Engineering Division (EME)
Environmental Management and Engineering Division (EME) is one of the key divisions of
MITCON and provide expert consultancy and laboratory services for various matrixes of
services in the field of environmental management. Thus, EME division partners with an
organization in their efforts of achieving sustainable business model.
Some of our credentials of EME division is,
State-of-the-art Environment Laboratory with experienced and trained
manpower.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler /TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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Recognition by Ministry of Environment and Forest (MoEFCC), Government of
India and OHSAS 18001/2007.
We are recommended as Technical Consultant by Directorate of Municipal
Administration, Govt. of Maharashtra, Mumbai, for preparation of Detailed
Project Reports (DPR) on Municipal Solid Waste Management for the Municipal
Councils in Maharashtra.
Accredited by QCI-NABET as an EIA consultant.
Environmental Impact Assessment
Environmental Audit / Status Report
Consent from SPCB
Municipal Solid Waste Management (MSW)/ Hazardous Waste (HZ)
Management & Technical Services
Water Supply and Sanitation
Small Turnkey Projects
Technical Appraisal
GIS and Remote Sensing
Laboratory Services
Water Quality
Soil Quality
Wastes (Solid & Semisolid)
Specialized Services
Monitoring Services
Operation&Maintenance Services
EME division of MITCON serves to various sectors like – GIS & RS, solid waste,
infrastructure, power, sugar, engineering, chemical, real estate etc.
12.3 NABET Accreditation
MITCON Consultancy and Engineering Services Ltd. is accredited from National
Accreditation Board for Education and Training (NABET), Quality Council of India for the
EIA consultancy services in 16 sectors.
Integrated Sugar Plant Expansion (5000 to 7500 TCD), Ethanol Plant Expansion (30 to 100 KLPD) With Incineration Boiler / TG / Auxiliaries For ZLD & Cogeneration Power Plant (44 MW) Project at Nagnathannanagar,Tal. Walwe, Dist. Sangli, Maharashtra
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12.4 Key personnel’s engaged in preparation of EIA report
Dr. Hemangi Nalavade is an EIA coordinator for this project. Other Functional Area
Expertise (FAE) and Team Members (TM) undertaking this project with their specific roles
and responsibilities are given in below,
Table 12.1: Experts engaged in the EIA report
Sr. No. Name of expertise EIA Coordinator/ Functional Area 1. Dr. Sandeep Jadhav Ecology & Biodiversity, Soil Conservation 2. Mr. Shrikant Kakade Ecology & Biodiversity, Noise and Vibration 3. Dr. Hemangi Nalavade Air Pollution(AP), Meteorology, Air Quality Modelling &
Prediction (AQ) and Solid Hazardous waste
4. Prof. Vikram Ghole Water pollution 5. Mr. Ganesh Khamgal Socio Economic 6. Mr. Annat Gadre Land Use 7. Mr. Chetan Patil Solid Hazardous Waste 8. Mr. Aniket Taware Risk Hazard 9. Mr. Nikhil Chavhan Air Pollution(AP), Meteorology, Air Quality Modelling &
Prediction (AQ), NV