gasification and resource recovery in tokyo

Gasification and Resource Recovery

in Tokyo

Yasuo FURUSAWA TOKYO Metropolitan Government

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Energy Recovery TechnologiesWaste-to-Energy

Incineration with energy recoveryGasification with energy recovery

Landfill gas to EnergyAnaerobic DigestionFuels from Waste

WTE

LFG

Anaerobic DigestionRefuse Paper & Plastic Fuel

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Gasification TechnologiesGasification & MeltingGasification & Melting

Gasification & RefinementGasification & Refinement

Gasifier Meltingfurnace

Exhaust gastreatmentBoiler

Powergenerator

WASTESYNGASCHAR

SLAG STEAM

GasifierMelting

WASTESYNGAS

CHAR

Electricity

Syngas Cleaning

SLAG Water treatment

Utilization of syngas- Chemical production,- Gas engine, - Fuel cell, etc.

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Greater Tokyo Area

TOKYOTOKYO

KANAGAWAKANAGAWA

CHIBACHIBA

SAITAMASAITAMA

Population: 34 990 000GDP(PPP): US$ 1479 billionWaste: 93.8 million tons per annum

Population: 34 990 000GDP(PPP): US$ 1479 billionWaste: 93.8 million tons per annum

Data source: IPSS, PwC, OUR

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Gasification Plants in Greater Tokyo

TOKYOTOKYO

KANAGAWAKANAGAWA

CHIBACHIBA

SAITAMASAITAMAORIX Resource Recycling Services Corp.（450t/d）ORIX Resource Recycling Services Corp.（450t/d）

Tokyo23’s SetagayaPlant （300t/d）

Tokyo23’s SetagayaPlant （300t/d） Japan Recycling

Corp. （300t/d）Japan RecyclingCorp. （300t/d）

Tokyo Rinkai Recycle Power Corp.（550t/d）Tokyo Rinkai Recycle Power Corp.（550t/d）

Kawaguchi City’s Asahi Kankyo Center （300t/d）

Kawaguchi City’s Asahi Kankyo Center （300t/d）

Showa Denko KPR （195t/d）Showa Denko KPR （195t/d）

: G&M

: G&R

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Tokyo Rinkai Recycle Power Corp.

Gasifier

Melting Furnace

Power Generator

Located in Tokyo Super-Eco-Town(Inner Central Breakwater area)

Fluidized-bed Gasifier andSwirling Flow Melting Furnace developed by EBARA Corp.Incoming Waste:Plastic waste from industries, Combustible C&Ds, etc.Capacity: 550 tons per day

Power generator: 23MW

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TOKYO23’s SETAGAYA PlantLocated in Setagaya Ward

Fluidized bed gasification and swirling flow melting system developed by KAWASAKI PlantSystems,Ltd

Incoming waste: Combustible MSW

Capacity: 300 tons per day

Power generator: 6.75MW

Waste

Slag

Exhaust Gas

Syngas

BOILER

GASIFIER

MELTINGFURNACE

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Gasification is,compared with conventional “incineration with ash melting”,

has high energy conversion efficiency has low air ratio (cost-effective)is suitable for high calorific plastic waste

Incinerator Meltingfurnace

Waste Ash

SlagMetals

Electricity or fossil fuel

Electricity

CONVENTIONAL SYSTEMCONVENTIONAL SYSTEM

Waste

SlagMetals

GASIFICATION & MELTINGGASIFICATION & MELTING

MeltingfurnaceGasifier

ElectricitySyngas

Char

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Plastic Waste in Japan: From Landfilling to Recovery

0

2 000

4 000

6 000

8 000

10 000

1998 2008

Mechanical Recycling

Feedstock Recycling(including G&R)

RPF

WTE (including G&M)

Incineration with heat utilizationIncineration without energy recovery

Landfilling

Data source: PWMI

thousand tons

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Japan’s Material Flow in 2006

Unit: Million tons

ImportedResources

752

Domestic Resources

758

Recycled 240Recycled 240

Population:128 million

GDP(PPP):US$ 4080 billion

Resource Input:1792 million tons

ResourceProductivity:US$ 2277 per ton

Exported 135

EnergyConsumption462

EnergyConsumption462

Increase ofAccumulatedResources836 Dehydration, etc.

GHGs1340 million tons CO2 equi.

TMR ofMetals

approx. 2100

Imported products 42

Final Disposal of Waste 29

Final Disposal of Waste 29

Data source: CJC, NIES, IPSS, IMF

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Source ReductionReuse

RecyclingEnergy Recovery

Appropriate Disposal

Waste to Energy

Fuels from Waste

LFG to Energy

Anaerobic Digestion

Thank you.

USE IT FULLY.

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SETAGAYA Plant is located in the residential district in Setagaya WardSETAGAYA Plant is located in the residential district in Setagaya Ward

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Gasifier

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Melting Furnace

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Fluidized Bed Gasifier

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16

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Swirling FlowMelting Furnace

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