Bioethanol for sustainable transportation - Nemo - VTT

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Composition of lignocelluloses Lignin: 15-25% Complex aromatic structure Very high energy content Resists biochemical conversion Hemicellulose: 23-32% Polymer of 5- and 6-carbon sugars Xylose is the 2 nd most abundant sugar in biosphere Cellulose: 38-50% Most abundant <strong>for</strong>m of carbon in biosphere Polymer of glucose, good biochemical feedstock
<strong>Bioethanol</strong> from lignocellulosic raw materials provides significant reductions in CO 2 gas emissions and energy input Net GHG (gCO2e/MJ-ethanol) 125 100 75 50 25 -8 -6 Pimentel Patzek Gasoline -4 -2 CO 2 Intensive de Oliveira 0 2 Graboski Ethanol Today Wang 4 6 Shapouri 10 12 Net Energy (MJ/L) gain Farrell et al. Science.2006. 311: 506-508 8 14 Lignocellulosic 16 18 20 22 24 Published values Commensurate values Gasoline EBAMM cases
Page 1 and 2: Bioethanol for sustainable transpor
Page 3 and 4: The Coordinator VTT Technical Resea
Page 5 and 6: Why biofuels ? In EU transport gene
Page 7: Technology evolution in bioethanol
Page 11 and 12: Process steps Biomass Straw Energy
Page 13 and 14: Process steps Biomass Straw Energy
Page 15 and 16: Novel high performance enzymes Ther
Page 17 and 18: Economic and sustainable processes
Page 19: Thank you! Contact the Coordinator:

Bioethanol for sustainable transportation - Nemo - VTT

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