Catalyzed modified clean fractionation of switchgrass

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논문

Catalyzed modified clean fractionation of switchgrass

학술지

Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies

저자명

Cybulska, I.; Brudecki, G.P.; Hankerson, B.R.; Julson, J.L.; Lei, H.

초록

Switchgrass was used as a lignocellulosic feedstock for second generation ethanol production, after pretreatment using sulfuric acid-catalyzed modified clean fractionation based on NREL's (National Renewable Energy Laboratory) original procedure. Optimization of temperature, catalyst concentration and solvent composition was performed using Response Surface Methodology, and 59.03+/-7.01% lignin recovery, 84.85+/-1.34% glucose, and 44.11+/-3.44% aqueous fraction xylose yields were obtained at 140.00<SUP>o</SUP>C, 0.46% w/w catalyst concentration, 36.71% w/w ethyl acetate concentration, and 25.00% w/w ethanol concentration. The cellulose fraction did not inhibit the fermentation performance of Saccharomyces cerevisiae and resulted in an ethanol yield of 89.60+/-2.1%.

발행연도

2013

발행기관

Elsevier Applied Science

ISSN

0960-8524

권

127

페이지

pp.92-99

DOI

10.1016/j.biortech.2012.09.131