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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/49845


    Title: Bamboo saccharification through cellulose solvent-based biomass pretreatment followed by enzymatic hydrolysis at ultra-low cellulase loadings
    Authors: Sathitsuksanoh,N;Zhu,ZG;Ho,TJ;Bai,MD;Zhang,YHP
    Contributors: 化學工程與材料工程學系
    Keywords: SUPRAMOLECULAR STRUCTURE;LIGNOCELLULOSE;ACID;RECALCITRANCE;ACCESSIBILITY;DISSOLUTION;ADSORPTION;BIOFUELS;ECONOMY
    Date: 2010
    Issue Date: 2012-03-27 16:24:30 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 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.
    Relation: BIORESOURCE TECHNOLOGY
    Appears in Collections:[化學工程與材料工程學系 ] 期刊論文

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