Tuesday, May 11, 2010, 11:00 am — John Dunn Seminar Room, Bldg. 463
Lignocellulosic biomass is the most abundant renewable resource and raw material for biofuels. However, one of the barriers in converting lignocellulosic feedstock to fuels is that lignocellulosics are difficult to process. The recalcitrance of lignocellulosics arises primarily from high lignin quantity, low lignin reactivity (or low syringyl/guaiacyl (S/G) lignin constituent ratio) and high cellulose crystallinity and DP. Elimination of recalcitrance in biomass represents new approaches for industry to improving the process economics. Based on the understanding of lignin biosynthetic pathways, woody biomass can be modified with up to 50% less lignin, a 64% higher S/G ratio and, remarkably, 30% more cellulose. Meanwhile, understanding of cellulose and hemicellulose biosynthesis would also lead to additional strides to improving lignocellulosics for more efficient conversion.
Hosted by: John Shanklin
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