Second Generation Biofuels - Regensw

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Second Generation Biofuels Craig Jamieson Biofuels Sustainability Consultant

Renewable Futures Conference 2007 Weston-Super-Mare

Overview • • • •

What are advanced biofuels? How are they better environmentally? Obstacles and ways to overcome them A glimpse into the future

“…it seems rather silly to spend billions developing cauliflower-powered cars when they might not make any difference, and half the world is starving.” Jeremy Clarkson

Great Global Challenges 5 Drivers for better fuels:• • • •

Fuel & energy demand Food demand, starvation Poverty Environmental destruction • Climate change

1750 – 1900: Agricultural Revolution

1760 – 1830: Industrial Revolution

21st Century: Agro-Industrial Revolution

“Bio-Economy”

Second Generation Conventional st

(1 generation)

Midrange

Advanced (2nd Generation)

Timeline 0 ………….5…………….8…………………….10 years……………………>

Conventional Ethanol

Ethanol from Cellulosic Biomass

Breakthrough Sugar Conversion

Natural Oil Esters

Oil Hydrogenation

Biomass Gasification

Source: BP

Iogen

CHOREN Beta plant, Germany 45 MW Thermal

75,000 t/a Biomass

18,5 mil l SunFuel

CHOREN’s Process

Three Phase Gasification

Gas Treatment

Fischer-Tropsch & Hydrocracking

Environmental Benefits • High yields per hectare • Low crop inputs • Much lower CO2 emissions • Ultra pure, clean-burning ‘designer fuel’ • Avoiding food v fuel conflicts

Well-to-Wheel Energy / CO2 Balances Total Fossil Energy Use MJ/100km

GHG Emissions g CO2 eq/km

300

250

200

150

100

50

0 Gasoline 2002 (PISI)

Brazilan EU EtOH: EU EtOH: LC EtOH: Sugar Wheat, conv W. Wood Cane NG boiler, DDGS as Animal Fd

Diesel 2002 EU FAME: (PISI) Rape, Gly. as Animal Fd

CCS: Earth Challenge Prize. $25m for 1bn T/yr

EU: Syndiesel: W. Wood

Source: BP / Bob Saunders

Productivity per Hectare 2,500 l/ (ha/a) diesel equivalent

4,046 l/ (ha/a) diesel equivalent

1,300 l/ (ha/a) diesel equivalent

1,300 l/ (ha/a) diesel equivalent

Three Hindrances • Size of plant • Transportation of feedstock • Cost of feedstock (wood)

Source: ECN

Biomass Sources • • • • • • •

‘Energy Crops’ Wood waste MSW Slurry Wheat straw Rice straw Corn stalks…

Second Generation Conventional st

(1 generation)

Midrange

Advanced (2nd Generation)

Timeline 0 ………….5…………….8…………………….10 years……………………>

Conventional Ethanol

Ethanol from Cellulosic Biomass

Breakthrough Sugar Conversion

Natural Oil Esters

Oil Hydrogenation

Biomass Gasification

Source: BP

Hydrogenation •Fuel quality: same as BTL •Land area: same as BTL if palm oil used •But less expensive: similar to biodiesel costs

Crop Residues • Turn into food, biomaterials etc. • Livestock feed • Extract available energy with AD • Waste treatment

Microalgae • 1978 – 1996 ‘Aquatic Species Program’ • John Benemann • IEA Network • Updated economic analysis: 2 conclusions…

Wastewater Treatment • Problematic on its own • Water & nutrient recycling • 100+ tonnes/ha/yr • Fuel and / or feed, esp. fish

Integrated Food / Fuel Systems

Crop 1: Sweet Sorghum

Water & Nutrient Recycling Fuel Food

Crop 2: Microalgae

Farms of the Future • Integrated food, fuel etc • Zero ‘waste’ • Zero fossil fuel use • Carbon negative (using CCS)

“If you can conceive it and believe it, you can achieve it” Napoleon Hill

Thank-you