hydrogen economy for low carbon...
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Hydrogen Economy for Hydrogen Economy for Low Carbon SocietyLow Carbon Society
Technology Development Division,gy p
Tokyo Gas Co., Ltd.13-14 Feb, 200813 14 Feb, 2008
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Outline of Tokyo GasOutline of Tokyo GasOutline of Tokyo GasOutline of Tokyo Gas
Tokyo Gas service area
CO2 Emission from City gas (FY 2006)Gas Facts in Japan & Tokyo (FY 2006)All Japan Tokyo Gas
Number of Customers(unit: million) 28.1 10.0
CO2 Emission from City gas (FY 2006)
All Japan Tokyo Gas
(unit: million)
City Gas Sales(unit: billion m3, 42MJ/m3) 33.8 13.1
City gas Production 0.071 0.014
City gas User 70 30
unit:million t-CO2Gas Pipeline Length(unit: thousand km) 232.3 51.6
unit:million t-CO2
CO2 Emission from Japan : 1,275 milion t-CO2
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Suburb: Various Renewable Energy Area
TEAM ENERGYTEAM ENERGY : : Energy System in 2030Energy System in 2030TEAM ENERGYTEAM ENERGY : : Energy System in 2030Energy System in 2030Suburb: Various Renewable Energy Area
BiomassBiomass PV
Advanced LowCarbon City FC
CCS
Nuclear Power Generation
PV
Wind
LNG
Heat
FCFC
FCFC
FCFC
FCFC
PV
PV
PV
FCFC
FCFC
FCFC
FCFC
FCFC
H2
H2 from Biomass
BatteryPower FCFC
FCFC
PV
Sustainable Low Carbon SocietyLocal H2 Network
FCFC
Thermal Power Generation
H2 fueling ST
FCVCCS
Steam Network
CCS with EOR
FCFC
FCFC
FCFC
FCFC
FCFC
Domestic Gas Field
Fire Station
School
Natural Gas NetworkEnergy Center
Natural Gas Storage
Electricity NetworkCity: LCS & Energy Security Area
Energy Storage for Emergency
Natural Gas Network
Hospital
Compact City
Station
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Transition to Low Carbon SocietyTransition to Low Carbon Society
LongーtermMid-termShortーterm
1.Energy saving and switching to low carbon fuels
2 High efficient equipment for energy supply & consumption on
2.High efficient equipment for energy supply & consumption
3.Maximizing the usage of renewable
4 D l t f t k i iti ion
redu
ctio
5.Realization of H2 economy
4.Development of energy network in cities
CO
2 em
iss
y Csi
on
2010 2020 2030 2040 2050
CO
2 em
iss
2010 2020 2030 2040 2050
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High efficient equipment for energy supply High efficient equipment for energy supply
ShortShort--term solution = FCterm solution = FCJapan is using FC for
Residential CHPIncrease of FC’s
Electric Efficiency
PEFC SOFCElectric efficiency 37%CO2 reduction 45%
(LHV)Prime Minister’s Residential Area(April 8 2005)
Residential 45%Industrial 67%
(Combined Cycle System)(April 8, 2005)
(LHV)y y
Grid PowerAverage 41%
“Large-Scale Stationary Fuel Cell Demonstration Project” (05 08)
“SOFC Demonstration Project” (07~)
Average 41%Highest 54% (LHV)
Demonstration Project” (05~08)・FY05:480units FY06:777units FY07:930units
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Energy Network for Maximize Renewable UsageEnergy Network for Maximize Renewable Usage
MidMid--termterm solution = biomass & microgridsolution = biomass & microgridCirculatingCirculatingCirculating HeatCirculatingCirculatingCirculating Heat
Sewage Sludge
Circulating Fluidized
Bed Gasifier
Heat recovery
boiler Gas purification
unit
City gas
Gas engine
Dryer
Sewage Sludge
Circulating Fluidized
Bed Gasifier
Heat recovery
boiler Gas purification
unit
City gas
Gas engine
Dryer
Gasifi ti
City gasGas engine
Dryer
Sewage Sludge
P ti
Circulatingfluidized
bed gasifier
Heatrecovery
boilerSewage Sludge
Circulating Fluidized
Bed Gasifier
Heat recovery
boiler Gas purification
unit
City gas
Gas engine
Dryer
Sewage Sludge
Circulating Fluidized
Bed Gasifier
Heat recovery
boiler Gas purification
unit
City gas
Gas engine
Dryer
Gasifi ti
City gasGas engine
Dryer
Sewage Sludge
P ti
Circulatingfluidized
bed gasifier
Heatrecovery
boilerPower Generation by CHPSmoothly ControlledPower Generation Power Generation
by renewable
Electric Demand
Power GenerationWaste heat
recovery boiler
Steam
Power GenerationWaste heat
recovery boiler
Steam
purificationunit
Waste heatRecovery boilerSteam
Power generationPower GenerationWaste heat
recovery boiler
Steam
Power GenerationWaste heat
recovery boiler
Steam
purificationunit
Waste heatRecovery boilerSteam
Power generation
Load leveling for Grid Power
Micro GridMicro Grid
Wind
Power
Thermochemical Gasification(Sewage Sludge Biomass)
G E i
Fluctuation of Renewable Energy
BestMixBestMix Fermentation
(CH4 / H2 / EtOH) Gas EngineGas Turbine +BatteryFuel Cell
SolarDHC / CHP Grid
Power
Grid
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H2 fueling for Low Carbon SocietyH2 fueling for Low Carbon Society
UsingUsing H2 for fuel, there are no CO2 in the exhaust !H2 for fuel, there are no CO2 in the exhaust !
Hydrogen Fueling Station for FCV
H2 Production:50 Nm3/hH2 Production:50 Nm3/h
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Local H2 Economy with Distributed CCSLocal H2 Economy with Distributed CCS
LongLong--termterm solution = H2 Economysolution = H2 Economy
Large scale H2 Production Key Issues
NG
LNG
FC
H2 Production・Roll-out of H2-FCV
・Investment on H2
O it H2 P d ti
FCEV FCEV
H2 StationNG
FC
FC infrastructure
・CO2 management( CCS)
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Onsite H2 Production
FCFC
CO2 (including CCS)
NG
FCFC
FCFC
FCFC
FCFC
H2 Pipeline
CO2 Capture
CO2CO2
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