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Title of Journal: Biotechnol Bioproc E

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Abbravation: Biotechnology and Bioprocess Engineering

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The Korean Society for Biotechnology and Bioengineering

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DOI

10.1016/0379-6787(89)90087-2

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1976-3816

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Effect of adding surfactant for transforming ligno

Authors: Yuqing Zhang Xuemin Xu Yuyuan Zhang Jianfa Li
Publish Date: 2011/09/27
Volume: 16, Issue: 5, Pages: 930-
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Abstract

Fuel ethanol is one of the most important alternative fuels used as a substitute for fossil fuel Lignocellulose is the most abundant biomass resource for the production of fuel ethanol However the hydrolysis of lignocellulose requires high enzyme loading In order to strengthen the process of enzyme hydrolysis of lignocellulose surfactantpolyethylene glycol PEG was applied to the catalysis of lignocellulose into fermentable sugars The effect of PEG on both the enzymatic hydrolysis and adsorption of cellulose were investigated The addition of surfactant obviously facilitated enzymatic hydrolysis In particular upon addition of PEG4000 the enzyme catalytic efficiency increased by 5106 Meanwhile the adsorption quantity of cellulase decreased by 1125 In addition the mechanism of the effect of PEG on enzymatic hydrolysis and cellulase adsorption is discussed

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