UC Riverside team develops streamlined process for enhanced cellulosic ethanol production

By mmillikin UC Riverside researchers have developed a streamlined process that could finally make the ethanol production cost from abundant “second generation” plant wastes competitive with “first generation” ethanol made from sugars.

A major historical barrier to low-cost production of ethanol from biomass is the low ethanol yields and titers that result from fermentation of biomass solids at high solids when compared with simple sugar fermentations. The UCR team showed that combining its cosolvent-enhanced lignocellulosic fractionation (CELF) pretreatment process with subsequent simultaneous saccharification and fermentation (SSF) can achieve similar high ethanol yields and titers that match that of separate pure glucose fermentations.

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