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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
Source PublicationBIORESOURCE TECHNOLOGY
Volume167Pages:41-45
AbstractFed-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.
SubtypeArticle
KeywordSugarcane Bagasse Fed-batch Process Enzymatic Hydrolysis High-concentration Sugars
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2014.05.034
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordHIGH-SOLIDS LOADINGS ; CORN STOVER ; SIMULTANEOUS SACCHARIFICATION ; LIGNOCELLULOSIC BIOMASS ; ETHANOL-PRODUCTION ; BETA-GLUCOSIDASE ; FERMENTATION ; CONVERSION ; REACTOR ; WATER
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000340891500006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10778
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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