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Biomass Gasification for Homes and Transport
21st Jan – Sessions 3 & 4
- Gas grid projects in the UK and Sweden- Transport fuels for the future- Biorefinery of the future- Study tours
The GoBiGas Project - from biomass to biogas
Seminar at Chalmers University of TechnologyJan 2010
Åsa Burman Managing Director/Project Manager GoBiGas
Short term target 2020 for Gothenburg > 1 TWh of Bio-SNG
Short term target 2020 for Sweden > 10 TWh of Bio-SNG
Long term target 2050 – only renewable energy sources
Our vision: Only renewable gas in the future
Time
Capacity
Town gas
Natural gas
Bio gas
Today
CHP/ Heat
Vehicle fuel
Bio-SNG
Natural gas
Industrial processes
“Green gas concept”• A huge market potential is opened for biogas• The reliability of the biogas supply improves
GoBiGas – Gothenburg Biomass Gasification Project• Commercial scale
• 100 MW Bio-SNG• Operating period 8000 hr/yr • 80 MNm3/yr or 800 GWh/yr
• Gasification of forest residues
• Production of Bio-SNG for distribution in the existing gas grid. Plant situated in the harbor of Gothenburg, fuel transport by ship or by train
• Joint project Göteborg Energi and E.ON
GoBiGas – step by step
• Performance goals: • Biomass to gas – 65 - 70% • Energy efficiency - >90%
• Phase 1: – 20 MW generating 160 GWh/year in
operation 2012– Allothermal (in-direct) gasification– 2000 Nm3/hr or 16 MNm3/yr (equal to
15 000 vehicles/year)
• Phase 2: – 80 MW generating 640 GWh/year in
operation 2015/2016– Technology not yet chosen– 8000 Nm3/hr or 64 MNm3/yr (equal to
60 000 vehicles/year)
2012 20202015
2 x 4 TWh/a2 x 600 MWG
2 TWh/a1 x 300 MWG
1,5 TWh/a1 x 200 MWG0,1 TWh/a
20-30 MWG
10 TWh/a
2008
FEED / EPC
GoBiGas Phase 1 GoBiGas Phase 2
Commercial development of gasification technology in Sweden
GoBiGas Phase 1: Large scale demonstration plant
GoBiGas Phase 2: 1/2 of specific cost compared to Phase 1?
2020: 1/3 of specific cost compared to Phase 1?
GoBiGas – phase 1
Production:Bio-SNG 20 MWDistrict heating 4 MWHeat to heat pumps 8 MW
Consumption:Fuel (wood pellets) 32 MWElectricity 2,5 MWRME (bio-oil) 0,5 MW
Technical principles
Gasification
Methanation and gas cleaning
GasificationCombustion
Scrubber De-sulphurization
Fuel handling
Methanation
Dryer
Steam
UpgradingBio- SNG
Shift
Rest products
De-NOx
Steam
Flue gas
Steam
Air
Reference plant: Gasification and Methanation in Güssing, Austria
• Gasification in fluidized bed with separate combustion zone (in-direct, allothermal gasification)
• 8 MW biofuel• Gas engine 2 MWe and 4,5 MWth to
local district heating system• Operating time 2009 > 42 000 hours
• Demonstration plant for methanation and gas cleaning
• 1 MW Bio-SNG, up-scaling from 10 kW• Test programme run in cooperation with
GoBiGas Oct 2009 – dec 2009, with operators from Göteborg Energi and E.ON
GoBiGas
Phase 1 Phase 2
GoBiGas – phase 1
Existing hot water boilers,fired with wood pellets
Project status - January 2009• State funding
– 25 % of project cost, 222 MSEK granted from the Swedish Energy Agency! Provided that EU approves the funding.
• Gasification– Cooperation between Metso Power and Repotec, Basic Engineering being carried out
• Methanation– Evaluation of technology => Basic Engineering with chosen supplier to be started in February
• Ground work and civil engineering– Engineering and preparation for start of work at site June, 2010
• Permits– Applications for environmental permits and building permits for Phase 1 and Phase 2
Investment decision in June 2010
Plant in operation second half of 2012
GoBiGas – Main time schedule
2008 2009 2010 2011 2012 2013 2014 2015 2016
Preliminary investment decision
Phase 1
Engineering & Procurement
Construction, Installation & Commissioning
Operation & Evaluation
Phase 2
Design, Engineering & Procurement
Construction, Installation & Commissioning
Operation & Evaluation
BP3 Decision of investmentBP4 Start of operation
BP3
BP3 BP4
BP4
Thank you for listening!
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