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Optimization of fed-batch enzymatic hydrolysis from alkali-pretreated sugarcane bagasse for high-concentration sugar production
Gao, Yueshu1,2; Xu, Jingliang1; Yuan, Zhenhong1; Zhang, Yu1; Liu, Yunyun1; Liang, Cuiyi1
2014-09-01
发表期刊BIORESOURCE TECHNOLOGY
卷号167页码:41-45
摘要Fed-batch enzymatic hydrolysis process from alkali-pretreated sugarcane bagasse was investigated to increase solids loading, produce high-concentration fermentable sugar and finally to reduce the cost of the production process. The optimal initial solids loading, feeding time and quantities were examined. The hydrolysis system was initiated with 12% (w/v) solids loading in flasks, where 7% fresh solids were fed consecutively at 6 h, 12 h, 24 h to get a final solids loading of 33%. All the requested cellulase loading (10 FPU/g substrate) was added completely at the beginning of hydrolysis reaction. After 120 h of hydrolysis, the maximal concentrations of cellobiose, glucose and xylose obtained were 9.376 g/L, 129.50 g/L, 56.03 g/L, respectively. The final total glucan conversion rate attained to 60% from this fed-batch process. (C) 2014 Published by Elsevier Ltd.
文章类型Article
关键词Sugarcane Bagasse Fed-batch Process Enzymatic Hydrolysis High-concentration Sugars
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2014.05.034
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]HIGH-SOLIDS LOADINGS ; CORN STOVER ; SIMULTANEOUS SACCHARIFICATION ; LIGNOCELLULOSIC BIOMASS ; ETHANOL-PRODUCTION ; BETA-GLUCOSIDASE ; FERMENTATION ; CONVERSION ; REACTOR ; WATER
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000340891500006
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10778
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Gao, Yueshu,Xu, Jingliang,Yuan, Zhenhong,et al. Optimization of fed-batch enzymatic hydrolysis from alkali-pretreated sugarcane bagasse for high-concentration sugar production[J]. BIORESOURCE TECHNOLOGY,2014,167:41-45.
APA Gao, Yueshu,Xu, Jingliang,Yuan, Zhenhong,Zhang, Yu,Liu, Yunyun,&Liang, Cuiyi.(2014).Optimization of fed-batch enzymatic hydrolysis from alkali-pretreated sugarcane bagasse for high-concentration sugar production.BIORESOURCE TECHNOLOGY,167,41-45.
MLA Gao, Yueshu,et al."Optimization of fed-batch enzymatic hydrolysis from alkali-pretreated sugarcane bagasse for high-concentration sugar production".BIORESOURCE TECHNOLOGY 167(2014):41-45.
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