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EFFLUENT TREATMENT PLANT SCHEME

FOR

TREATMENT OF

DAY PALM OIL INDUSTRIAL WASTE WATER

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INDEX

SECTION PARTICULARS PAGE NO.

I Design Data 2

II Process Design 3

III Treatment Scheme 5

IV Civil Units & Works 6

V Electro-mechanical Units & Works 8

VIII Standard makes 10

IX Performance of ETP 11

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SECTION I

1.0. DESIGN DATA

RAW EFFLUENT CHARACTERISTICS :

PARAMETER UNIT VALUE

pH - 3.0 to 4.0

TSS mg/lt. 6000 to 10000

TDS mg/lt. 32000

COD mg /lt. 50000 to 60000

BOD 3days at 270C mg /lt. 20000 to 25000

Oil & Grease mg /lt. 100

TREATED EFFLUENT CHARACTERISTICS

PARAMETER UNIT VALUE

pH -- 7.0 to 8.0

Suspended Solids mg/lt. < 100

COD mg /lt. < 250

BOD 3days at 270C mg /lt. < 100

O & G mg /lt. < 10

DESIGN OF ETP PROCESSPrimary Physical & Chemical Treatment

Secondary Biological Treatment

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SECTION II

2.0. PROCESS DESIGN

The process design involves Physico-Chemical and Biological processes.

PHYSICAL & CHEMICAL PROCESS

Oil Separation Screening Collection & Equalization Neutralization Clarification Drying.

BIOLOGICAL PROCESS

Anaerobic Digester Bio-Towers One Stage Aeration System One Stage

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SECTION III

3.0. TREATMENT SCHEME

3.1. PRIMARY TREATMENT

Screening of Effluent Separation of Oil & Fat with Mechanical automatic scraper mechanism Collection and Equalisation of effluent at Equalisation Tank Neutralisation of effluent at Neutralisation Tank

3.2. BIOLOGICAL TREATMENT

Feeding of effluent to Circular and closed Anaerobic Digester Continuous mixing with Agitator in Anaerobic Digester Removal of major part of organic load at Digester. Instrumentation and safety devises for Anaerobic Digester Bio-Gas Flaring system. Anaerobic System followed by fixed type Bio towers. One Stage Bio-Tower system followed by settling Tank One stage aerobic system. Clarifier mechanism. Biological sludge handling by Sludge Drying Beds. Chlorination

3.4. INSTRUMENATION

Effluent Flow measurement

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SECTION IV

4.0. CIVIL UNITS & WORKSSR. NO. PARTICULARS QUANTITY

1. Bar Screen Chamber One No.

2. Oil & Fat Separation Tank One No.

3. Collection cum Equalization Tank One No.

4. Neutralization Tank One No.

5. Bio tower Two Nos

6. Settling Tank One No.

7. Aeration Tank One No.

8. Secondary Clarifier One No.

9. Chlorine Contact Tank One No.

10. Sludge Drying Beds Ten Nos

11. Control panel cum Lab Room One No.

12. Foundations, Earth pits, Piping pedestal

supports, Cable trenches etc.

Lot

13. Puddle Pipes, Ladders, Railing, Manholes etc. Lot

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SECTION V

5.0. ELECTRO-MECHANICAL UNITS & EQUIPMENTS

SR. NO. PARTICULARS QUANTITY

1.0 Bar Screen One No

2.0 Oil & Fat Scraper Mechanism One No.

3.0 Effluent Transfer Pump (1W+1Sb) Two Nos.

4.0 Air Purging grid-ET & NT Lot

5.0 Air Blower-ET & NT (1W+1Sb) Two Nos.

6.0 Chemical Dosing System Two Nos.

7.0 CSTR Feed Pump (1W+1Sb) Two Nos.

8.0 CSTR One No.

9.0 Degassing Tower One No.

10.0 Lamella Clarifier One No.

11.0 Sludge Recycling Pump (1W+1Sb) Two Nos.

12.0 BT Bio fill media Lot

13.0 BT Distribution Grid Two Lots

14.0 Tube deck Media Lot

15.0 BT Recirculation Pumps(2W+2Sb) Four Nos

16.0 Flame Arrestor Two Nos

17.0 Pressure Relief Valve One No.

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18.0 Gas Flare Stack One No.

19.0 Liquid Flow Meter Two Nos

20.0 Moisture Trap Two Nos

21.0 Air Blower(2W+1Sb) Three Nos

22.0 Air Diffusers & Purging Grid Lot

23.0 Secondary Clarifier Mechanism One No

24.0 Bio-sludge recirculation Pumps (1W+1Sb) Two Nos.

25.0 Chlorine Dosing System One No.

26.0 Interconnecting Piping & Fittings Lot

27.0 Electric Control Panel One No.

28.0 Electrical Cabling Lot

29.0 Remote Push Button stations Lot

30.0 Earthing Lot

31.0 Pressure Pumps Two Nos

32.0 Sand Filter One No.

33.0 Activated Carbon Filter One No.

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SECTION VI

6.0 SCOPE OF CLEINT

ETP Roads, plant lighting, Gardening etc. Laboratory set up ETP street internal & external lighting Free Water at one Point for construction Free Power at one Point for construction

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SECTION VIII

8.0. STANDARD MAKES

UNIT/EQUIPMENT MAKES

Oil & Fat Scraper Mechanism SAI/Equivalent

PUMPS Johnson/Kirloskar

Air Blower KPT/Everest

Dosing Tank Syntax/Polycon

Dosing Pump Positive metering/ SR metering

SC Mechanism SAI/Equivalent

Bio-fills MMaqua/ Cool deck

Pressure Gauges Guru/EquivalentMoisture Trap SAI/Equivalent

Gas Flare Stack SAI/Equivalent

Liquid Flow Meter Forbes marshall/ Equivalent

Tube deck Media MMaqua/ Cool deck

Air Diffusers Rehau/Equivalent

Cement -53 Grade Duncun/ACC/L &T /Penna/Maha Gold

Steel SUJANA/Equivalent

Waterproof compound Fosrock/Equivalent

Painting Snowcem/Equivalent

Piping & Fittings Supreme/Finolex/TATA/JindalElectrical Commonest L & T /Siemens/Schneider

Electrical Cabling Polycab/Fine cab

Remote Push Buttons Technic /Equivalent

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SECTION IX

9.0 PERFORMANCE ON THE BASIS OF COD & BOD

9.1. RAW EFFLUENT CHARACTERISTICS

PARAMETER UNIT VALUE

COD Mg/lt. 60000

BOD Mg/lt. 25000

9.2. TREATED EFFLUENT CHARACTERISTICS

PARAMETER UNIT VALUE

COD Mg/lt. < 250*

BOD Mg/lt. < 30

*Refractory organic matter and inorganic TDS may change the value

9.3. STAGE WISE REDUCTION OF BOD

S. N. Treatment System BOD

% Reduction Mg/Lt.

Outlet

1 Raw Effluent -- 25000

a Anaerobic Treatment 80 5000

b Aerobic Treatment

BT System

75 1250

c Aerobic Treatment

ASP System

97 37.5

d Tertiary System -