status and opportunities · already active in first gen. fuels. 75,000 l/y biomass pilot plant...
TRANSCRIPT
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Enecon - 1
Bioenergy in Australia: Status and opportunities
FWPA Webinar – 5 June 2013
by Colin Stucley, Enecon Pty Ltd
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Enecon - 2
Australian engineering consultants. Specialists in bioenergy since 1998.
Colin Stucley, Director - Enecon Pty LtdSuite 5, 651 Canterbury Rd, Surrey Hills, Vic. 3127
Tel. (61 3) 9895 1250 www.enecon.com.au
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Enecon - 3
This talk:
Summary of new report
Organic Rankine Cycle units
Gasification and pyrolysis
Liquid fuels from wood
Government incentives
Questions
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Enecon - 4
Major revision to earlier document
New report is available as download on Bioenergy Australia website
20042012
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Enecon - 5
Twenty chapters, including overviews of:
Energy use in Australia: now and future
Biomass: overview and thermal properties
General supply chain (harvesting & costs)
Wood pellets
Specific supply chains: mallees, pongamia, straw & grass
Sustainability
Electricity and heat: technologies and costs
Biofuels: characteristics, first & advanced gen., microalgae
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Enecon - 6
Authors
Colin Stucley
Steve Schuck
Ralph Sims
Amir Abadi & John Bartle, Richard Giles, Quenten Thomas
Mike Borowitzka
Jim Bland, Belinda Marino
Written for reader that is technically competent but inexperienced
in forest industry and bioenergy.
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Enecon - 7
Bioenergy: now and in the future
Bioenergy worldwide now:
More than 70 GW of electricity capacity
More than 100 billion litres ethanol and 10 billion litres biodiesel/year
Bioenergy in Australia now: Electricity – 867 MW in 2009 (mainly bagasse and landfill gas)
Ethanol, biodiesel – more than 650 Ml/year capacity in 2012
Australia’s bioenergy future: Electricity, advanced generation biofuels
Feedstock available for significant growth
Need to understand & develop existing and new feedstocks
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Enecon - 8
Biomass to electricity
Main differences between Europe and Australia: Mandates and power pricing
District heating
Difficulties we see in Australia: High capex means 24/7 for good cost recovery
Not always good at load following
External electricity sales – low price, costly to set up
Not core business
Lack of precedents
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Enecon - 9
• Organic Rankine Cycle units
• Gasification
• Pyrolysis and charcoal
Biomass to electricity
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Enecon - 10Large scale ORC unit in Europe
Organic Rankine Cycle – same Rankine cycle as steam turbines
but with organic fluid in closed loop
This allows a wide range of input and output temperatures
Used worldwide with geothermal heat and industrial waste heat
Bioenergy use is increasing
Combustion and ORC units
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Enecon - 11
Sizes from 25 kWe to many MWe
Waste heat or dedicated heat supply, as steam or hot oil
Electrical efficiency <10% to >25%
Useful exhaust heat possible for cogeneration
Local and o’seas manufacture
Combustion and ORC units
250 kW Purecycle unit at Gympie Timbers, Qld
gTET unit under construction for WA forest industry client
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Enecon - 12
Gasification to electricity
Small gasifiers (hundreds of kWe)• Downdraft• Commercial in India (but not used in western countries)• Several European suppliers have closed• One or two US suppliers emerging• Several demonstration units in Aust and NZ • Watch for: guaranteed availability, gas cleaning system & staffing levels
Large gasifiers:• Entech & New Energy Corp. ‐ waste to energy• Westinghouse Plasma ‐ waste to energy • Andritz Carbona ‐ commercial demo unit• PRM ‐ rice hulls• Others overseas ‐ biofuels• IGCC ‐ no major interest
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Enecon - 13
Biomass to charcoal
Charcoal is co-product in gasification and pyrolysis processes.
Charcoal must add to the revenue stream:
• Biochar for enhanced plant growth & C sequestration in soil
• Metallurgical uses
• Renewable energy
All these uses provide GHG reduction.
Look at markets and selling prices.
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Enecon - 14
Biomass to charcoal – slow pyrolysis
Slow pyrolysis for electricity and charcoal, NSW
Slow pyrolysis of logs for charcoal, Victoria
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Enecon - 15
Fast pyrolysis for liquids and charcoal, 200 TPD Canada
Fast pyrolysis for liquids and charcoal, 45 TPD USA
Biomass to liquids & charcoal – fast pyrolysis
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Enecon - 16
Biomass to liquid fuels
Australia uses over 40 billion litres of fuel per year.
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Enecon - 17
Why make liquid fuels from biomass?
Consider one dry tonne of biomass:
If used to generate electricity at ~ 25% efficiency and electricity sold
into grid at $100/MWh, revenue will be $140.
If used to make biofuel at 300 litre/dry tonne and fuel sold at $1.40/litre,
revenue will be $420.
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Enecon - 18
First generation and advanced generation fuels
First generation: Ethanol – sugar and starch
Biodiesel – vegetable oils, animal fats
Advanced generation: Ethanol from biomass
Hydrocarbons from biomass
Biodiesel from non-food crops
Microalgae
Commercial developments:1. Ethanol2. FT synthesis3. Fast pyrolysis
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Enecon - 19
1. Consider ethanol from biomass
Several different processes. All break the biomass into components then reform these into ethanol.
Sugars:
1. Acid hydrolysis, then fermentation
2. Enzyme hydrolysis, then fermentation
Syngas:
3. Gasification then fermentation
4. Gasification then reforming
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Enecon - 20
Conc. acid hydrolysis & fermentation: Bluefire
Demonstration facility in Japan.
Comm. plant site preparation, USA.
Now waiting for further funding.
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Enecon - 21
Enzymic hydrolysis & fermentation: Abengoa
Commercial plant under construction during 2013, at Hugoton, USA.
1,000 dry tonne per day straw feed, for 100 Ml/year ethanol plus electricity.
Biomass to fuel demonstration plant in Spain operated more than 6,000 hours. Targeting 300 litres per tonne of straw.
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Enecon - 22
Enzymic hydrolysis & fermentation: POETAlready active in first gen. fuels. 75,000 l/y biomass pilot plant operated.
75 Ml/y commercial plant now under construction at Emmetsburg, USA. Corn stover as feed.
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Enecon - 23
Enzymic hydrolysis & fermentation: Beta Renewables
Commercial plant began operations late 2012 at Crescentino, Italy.
50 Ml/year ethanol plus electricity. Straw and grasses as feed.
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Enecon - 24
Enzymic hydrolysis & fermentation: DuPont
Demonstration unit operated in Tennessee since 2009.
Commercial plant now under construction in Iowa, USA.
Operation planned for 2014, producing 110 Ml/year ethanol. Capital cost US$225 M.
Corn stover as feed.
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Enecon - 25
50,000 t/year ethanol, plant under construction in China. Corn stover planned as feed.
Enzymic hydrolysis & fermentation: COFCO
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Enecon - 26
Gasification
MSW or Biomass
Cooling & conditioning
Syngas
CO, H2
Fermentation to ethanol
Gasification and fermentation for ethanol
Ethanol
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Enecon - 27
Gasification and fermentation: Ineos Bio
Commercial plant, Indian River Fl – began operation in 2012.
Mixed biomass feed for 30 Ml/y of ethanol and 6MW of electricity.
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Enecon - 28
Gasification and fermentation: Coskata
150,000 l/y demonstration facility, started in 2009
2010: Collaboration announced with GM, Holden
July 2012: Plans for first commercial plant in the USA using biomass put on hold while company focuses on cheap natural gas as (non-renewable) feedstock.
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Enecon - 29
Gasification
(bubbling fluidised bed)
MSW or Biomass
Cooling & conditioning
Syngas
Conversion to ethanol
Methanol
Chemicals
Gasification and reforming for ethanol
EthanolMethanol synthesis
Conversion to
chemicals
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Enecon - 30
Gasification and reforming for ethanol: Enerkem
40 Ml/y commercial plant under construction in Edmonton, Canada. MSW as feed.
Demonstration facility
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Enecon - 31
Gasification and reforming for ethanol: Fulcrum
Demonstration facility has produced ethanol and, in May 2013, produced “drop in” hydrocarbons.
40 Ml/y commercial facility for Nevada, USA. MSW feed.
Due to start up in 2015
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Enecon - 32
Gasification and reforming for ethanol: Range Fuels
First commercial plant – Soperton, Ga – Company stopped trading before the plant operated commercially. Site sold to LanzaTech in 2012.
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Enecon - 33
2. Hydrocarbons via Fischer Tropsch synthesis
SASOL III under construction – 50,000 tonne/day coal to fuels and chemicals
FT reforms syngas into hydrocarbon fuels and chemicals. FT first developed in Germany a century ago.
Large scale use with coal as feed in South Africa and China.
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Enecon - 34
FT: Choren/Linde
FT technology can also work with gasified biomass.
Choren’s 18 Ml/y demonstration plant, Freiburg Germany.
Gasification technology sold to Linde.
First commercial project is for Forest BtL in Finland.
130,000 t/y liquids from 1.5 Mt/y wood.
NER 300 funding offered. Initial plant operation targeted for 2016.
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Enecon - 35
FT: Oxford Catalysts & VelocysOxford Catalysts is developing “micro channel” technology to achieve FT reforming at smaller scale:
Small scale developments (~ 1.5 Ml/year) now underway with biomass or natural gas as feed.
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Enecon - 36
FT: Rentech
1,500 litre/day demonstration facility in Colorado. 20 ton/day gasifier
added in 2011. Commercial projects on hold pending funding partners.
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Enecon - 37
FT: Thermochem Recovery International
4 ton/day integrated demonstration plant in
USA, built in 2009.
1,000 hour run in 2012.
First commercial plant to be at Flambeau River Wisconsin. Seek to reinvigorate an existing paper mill and use ~800 TPD wood to make fuels and steam.
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Enecon - 38
3. Hydrocarbons via fast pyrolysis & upgrading
Fast pyrolysis
Biomass
Quenching and liquid recovery
Fuel gas
Conventional hydro-treating
Transport fuels
Hydro-deoxygenation
Char Acetic acid
MeOH
UpgradingPyrolysis
Catalysts
Bio-oil
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Enecon - 39
Fast pyrolysis & upgrading: KiOR
500 dry ton/day commercial prototype just started in USA.
Feed is southern yellow pine. Next plant 1,500 ton/day.
Demonstration facility in USA
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Enecon - 40
Fast pyrolysis & upgrading: Envergent
Ensyn: commercial-scale plants (up to 100 TPD) operated in USA & Canada for 20 years.
Wood residues as feed.
Joint venture with UOP: upgrading bio-oil through to hydrocarbon fuels.
$US25 M grant to build demo plant in Hawaii, for operation in 2014.
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Enecon - 41
Fast pyrolysis & upgrading: Dynamotive & IFPEN/Axens
100 TPD
200 TPD
Commercial plants for fast pyrolysis in Canada. Multiple wood feeds
Upgrading to hydrocarbon transport fuels demonstrated in 2009. Agreement to commercialise upgrading technology signed with IFPEN and Axens in 2012.
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Enecon - 42
Biomass to fuels….summary:Commercial scale plants operating or under construction:
Product Pathway Feed Feed scale (dry tonne/year)
Ethanol conc. acid hydrolysis MSW, wood ??
Ethanol enzyme hydrolysis straw, stover 150,000 to > 300,000
Ethanol gasification & fermentation wood ~ 150,000
Ethanol gasification & reforming MSW ~ 100,000
Hydrocarbons pyrolysis & upgrading wood 50,000 – 450,000
Not commercial for biomass yet:
Hydrocarbons gasification & FT synthesis wood, MSW up to > 600,000
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Enecon - 43
Competitive fuel costs expected:
Organisation A$/litre (petrol equiv.) Feed
NREL 0.85 Corn Stover
KiOR 0.68 Southern Pine
Dynamotive/IFPEN 0.47 – 0.85 Various (to US$130/dry ton)
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Enecon - 44
1 kg/h pyrolysis unit at University of Twente
There are multiple scale up stages to move from pilot plants to commercial plants.
New technologies:
• Will need > $100 M to reach commercial
prototype
• Should be able to demonstrate that they
compete globally with existing technologies
Research or commercial scale?
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Enecon - 45
Biofuels from Australian residues?
Biofuel technologies are starting commercial operation overseas. Can we utilise them in Australia?
1. The good news: biofuels = major, profitable, long term market
2. Technology: great progress but still at early commercial stage
3. Technologies de-risked overseas mean lower costs for capital
4. Residue type must be matched to the right technology
5. Residue quantity must be matched to the right technology
6. Residue supply must be consistent: high plant capex means
difficult to develop “one off” or “part-time” feedstocks
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Enecon - 46
Government programs
1. Large Scale Renewable Energy Target (LRET)
2. Clean fuel rebates (and NSW mandate)
3. CEFC (possibly ERF after September 2013)
4. Australian Renewable Energy Agency Emerging Renewables Program (open)
Regional Australia's Renewables (EOI soon)
5. Ausindustry Clean Technology Investment Program
Commercialisation Australia
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Enecon - 47
Colin Stucley, Director - Enecon Pty LtdSuite 5, 651 Canterbury Rd, Surrey Hills, Vic. 3127
Tel. (61 3) 9895 1250 www.enecon.com.au
Thank you. Questions?