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    题名: Bamboo saccharification through cellulose solvent-based biomass pretreatment followed by enzymatic hydrolysis at ultra-low cellulase loadings
    作者: Sathitsuksanoh,N;Zhu,ZG;Ho,TJ;Bai,MD;Zhang,YHP
    贡献者: 化學工程與材料工程學系
    关键词: SUPRAMOLECULAR STRUCTURE;LIGNOCELLULOSE;ACID;RECALCITRANCE;ACCESSIBILITY;DISSOLUTION;ADSORPTION;BIOFUELS;ECONOMY
    日期: 2010
    上传时间: 2012-03-27 16:24:30 (UTC+8)
    出版者: 國立中央大學
    摘要: The modified cellulose solvent- (concentrated phosphoric acid) and organic solvent- (95% ethanol) based lignocellulose fractionation (COSLIF) was applied to a naturally-dry moso bamboo sample. The biomass dissolution conditions were 50 degrees C, 1 atm for 60 min. Glucan digestibility was 88.2% at an ultra-low cellulase loading of one filter paper unit per gram of glucan. The overall glucose and xylose yields were 86.0% and 82.6%, respectively. COSLIF efficiently destructed bamboo's fibril structure, resulting in a 33-fold increase in cellulose accessibility to cellulase (CAC) from 0.27 to 9.14 m(2) per gram of biomass. Cost analysis indicated that a 15-fold decrease in use of costly cellulase would be of importance to decrease overall costs of biomass saccharification when cellulase costs are higher than $0.15 per gallon of cellulosic ethanol. (C) 2009 Elsevier Ltd. All rights reserved.
    關聯: BIORESOURCE TECHNOLOGY
    显示于类别:[化學工程與材料工程學系 ] 期刊論文

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