Biochemical processing of reed canarygrass into fuel ethanol

Bruce S. Dien, Michael D. Casler, Ronald E. Hector, Loren B. Iten, Nancy N. Nichols, Jeffrey A. Mertens and Michael A. Cotta

International Journal of Low-Carbon Technologies, 2011, vol. 7, issue 4, 338-347

Abstract: Reed canarygrass is a temperate perennial grass of interest as a bioenergy crop. The canarygrass was evaluated for conversion to bioethanol using liquid hot water and dilute ammonia pretreatments prior to fermentation. The resulting hydrolysates were evaluated for production of ethanol, xylose and soluble xylans. Dilute ammonia gave higher yield efficiencies than liquid hot water. The optimal condition for dilute ammonia (4% w/v) pretreatment was 170°C for 20 min. Hydrolysates were converted to ethanol using Saccharomyces in the presence of a blend of commercial cellulases and additional carbohydrases. The final ethanol conversion efficiency was 84% based upon total hexosans, with 72% of the xylan converted to soluble xylan oligomers. Copyright , Oxford University Press.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:7:y:2011:i:4:p:338-347

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