Upload
trinhkhue
View
217
Download
2
Embed Size (px)
Citation preview
Economic potential
of biomass utilization
- Case of Japan
Gen TAKAHASHIDeputy General Manager
Global Business Development
August 18th 2015
Sixth Regional 3R Forum in Asia and the PacificParallel Roundtable 3:Economic Opportunities through 3R - Biomass Waste
2
Biomass Utilization in Japan
Case 1: Biomass Boiler
Case 2: Sludge Digestion
Background of Biomass utilization
3Copyright 2015 © JFE Engineering Corporation All Rights Reserved
FROM BROWN ENERGY TO GREEN ENERGY
Advantages of Green Energy Carbon Neutral Renewable New Industry Development in rural area
Petroleum
Natural Gas
Coal
Biomass
・Unused Wood
・Agriculture Waste
・Municipal/Industrial Waste
Solar, Wind, Hydro, etc
Advantages of Biomass Energy Stable and independent from Weather/Season/Climate
How to use Biomass
4Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Source : http://www.enecho.meti.go.jp/en/brochures/pdf/english2010.pdf
Fuel Mix in Power Generation
5Copyright 2015 © JFE Engineering Corporation All Rights Reserved
After Discontinuation of Nuclear Power Plant Operation Japan’s Fuel Mix for Electricity Production will be Reoriented, Biomass and other Renewables are Strongly Promoted.
29.1 28.6
1.7 1.0
24.7 25.0
27.6 30.3
25.7 29.3
42.5 43.2
9.7 7.5
18.3 14.9
10.0 8.5 8.4 8.5
0.9 1.1 1.6 2.2
0%
20%
40%
60%
80%
100%
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Renewable
Hydro
Oil
LNG
Coal
Nuclear
Short term dependency on LNG has increased significantly
Midterm renewableswill be stronglypromoted (FIT)
Perc
enta
ge o
f C
om
positio
n
Source:METI Web site
Feed in Tariff for Biomass
6Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Source : Created based on http://www.enecho.meti.go.jp/category/saving_and_new/saiene/data/kaitori/2015_fit.pdf
CategoriesPurchase prices (/kWh, FY2015)
Purchase period
Wood (unused)
2,000 kW or more 32 yen +tax 20 years
Less than 2,000 kW 40 yen +tax 20 years
Wood (general) 24 yen +tax 20 years
Wood (waste materials of buildings) 13 yen +tax 20 years
Waste materials 17 yen +tax 20 years
Methane fermentation 39 yen +tax 20 years
FIT Certified Biomass Power Plant Projects
7Copyright 2015 © JFE Engineering Corporation All Rights Reserved
14
665 804
98
1,136
61 33 25 4 36
(80)
(60)
(40)
(20)
0
20
40
60
0
200
400
600
800
1,000
1,200
1,400
BiogasTimber from forest thinningOther woody materialswastematerial
Wastewood
Nu
mb
er
of
cert
ifie
d f
acil
itie
s
Source:Agency for Natural Resources and Energy renewable energy / Status of the facility certification
Acc
um
ula
ted
cap
acit
y o
f fa
cilit
ies
(MW
)
Biogas Timber from
forest thinning
Other woody
materialsWaste wood Waste
material※new certified facilities only(without existing certified facilities)
From July 2012 to April 2014FIT started on July 1, 2012.
8
Biomass Utilization in Japan
Case 1: Biomass Boiler
Case 2: Sludge Digestion
Advantages of JFE’s CFB Boiler
9Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Design Model: 50MW CFB Boiler Power Plant
10Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Turbine &Generator
Building
Water Tanks
Fuel Bunker
Cooling Towers
CFB Boiler
Flue Gas Cleaning
Administrative
Building
Variety of Fuel(1/3)
11Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Fuel type
Calorific value(kcal/kg) Remarks
Main Origin
Wood tip1,800~2,000
Wood tip with very high moisture can cause incomplete combustion
Widely available
Wood pellet
4,000~5,000 ・The material can be easily crushed・Material of pellet binder(Chlorine)can cause corrosion of the boiler tube・Storage requiredSouth East Asia, Russia,
North America, China,
PKS(Palm Kernel Shell)
3,400
Contamination by fruits
Indonesia,Malaysia
Variety of Fuel(2/3)
Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Fuel type
Calorific value(kcal/kg) Remarks
Main Origin
Construction Waste3,000~3,800
Chlorine from material can cause corrosion of the boiler tube
Waste management industry
RDF(Refuse Derived Fuel)3,500~4,000
Waste management industry
RPF(Refuse Paper & Plastic Fuel) 5,000~6,000
Waste management industry
12
Variety of Fuel(3/3)
Copyright 2015 © JFE Engineering Corporation All Rights Reserved 13
Fuel type
Calorific value(kcal/kg) Remarks
Main Origin
Tire tip8,000~9,000
Wire inside is not combustibleWaste management
industry
Coal6,000~7,000
Sulfur component can cause corrosion of the boiler tube
Widely available
Oil coke
7,000~8,000Sulfur/ Vanadium component can cause corrosion of the boiler tube
petroleum Refinery
14
Biomass Utilization in Japan
Case 1: Biomass Boiler
Case 2: Sludge Digestion
Biogas power generation: Sewage Sludge
15Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Client Yokohama City
Type Biogas from Sewage Sludge
Capacity 12,500 m3/day (wet sludge)
Output 4,500kW (900kW x 5)
Scheme PPP ( O&M 20 years)
Budget JPY 8.3 Billion(VFM 8.5%)
Remarks
CO2 reduction( 588ton/day) EPC/O&M cost reduction 8.5%
(JPY 42million)
2-15
SewageSludge
Biogas
DigestedSludge
Cement
Electricity
Digestion Tank
Gas Engine
SludgeIncinerator
Biogas power generation: Food Waste
16Copyright 2015 © JFE Engineering Corporation All Rights Reserved
Client Nagaoka City
Capacity 65t/day ( food waste )
Scheme BTO( Build Transfer Operate )
Period 2011/04-2028/06 (O&M 15 years)
Remarks Electricity consumption6MWh/dayRetail electricity 6.3MWh/dayCO2 reduction 2,000t/year
2-16
Receiving Hopper
Kitchen Waste 65t/day
Adjusting Tank
Crusher Mill Separator
Digestion
Digester Tank
Generator
Separation
Biogas
SludgeBiomass
Fuel
Sludge Dryer
Biogas power generation: Mixed Organic Waste
17Copyright 2015 © JFE Engineering Corporation All Rights Reserved
2-17
Client Toyohashi City, Aichi Pref.
Capacity 472m3/day ( sewerage sludge )59t/day (kitchen waste)
Scheme BTO ( Build Transfer Operate )
Period O&M 20 years)
CO2 reduction 3,900t/ year
18
Thank you for your kind attention.
JFE Engineering Corporation (Tokyo Head Office)Marunouchi Trust Tower North 19F, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005, JAPANTEL:+81-3-62120822 FAX:+81-3-62120803