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Optimization of high solids fed-batch saccharification of sugarcane bagasse based on system viscosity changes
Liu, Yunyun1,2; Xu, Jingliang2; Zhang, Yu2; Yuan, Zhenhong2; Xie, Jun1
2015-10-10
发表期刊JOURNAL OF BIOTECHNOLOGY
卷号211页码:5-9
摘要Viscosity trends in alkali-pretreated sugarcane bagasse (SCB) slurries undergoing high solids fed-batch enzymatic hydrolysis were measured for a range of solids loading from 15% to 36%. Solids liquefaction times were related to system viscosity changes. The viscosity decreased quickly for low solids loading, and increased with increasing solids content. Fed-batch hydrolysis was initiated with 15% solids loading, and an additional 8%, 7% and 6% were successively added after the system viscosity decreased to stable values to achieve a final solids content of 36%. Two enzyme-adding modes with 8.5 FPU/g solid were investigated. The batch mode with all enzyme being added at the beginning of the reaction produced the highest yields, with approximately 231.7 g/L total sugars and 134.9 g/L glucose being obtained after 96 h with nearly 60% of the final glucan conversion rate. This finding indicates that under the right conditions, the fed-batch strategy might be a plausible way to produce high sugars under high solids. (C) 2015 Elsevier B.V. All rights reserved.
文章类型Article
关键词Alkali-pretreated Scb Fed Batch Strategy Enzymatic Saccharification Viscosity High Concentration Sugars
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jbiotec.2015.06.422
研究领域[WOS]Biotechnology & Applied Microbiology
关键词[WOS]ENZYMATIC-HYDROLYSIS ; BIOMASS SLURRIES ; LIGNOCELLULOSE ; SUSPENSIONS ; LOADINGS
收录类别SCI
语种英语
WOS类目Biotechnology & Applied Microbiology
WOS记录号WOS:000361641200003
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10868
专题中国科学院广州能源研究所
作者单位1.South China Agr Univ, Inst New Energy & New Mat, Guangzhou 510642, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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Liu, Yunyun,Xu, Jingliang,Zhang, Yu,et al. Optimization of high solids fed-batch saccharification of sugarcane bagasse based on system viscosity changes[J]. JOURNAL OF BIOTECHNOLOGY,2015,211:5-9.
APA Liu, Yunyun,Xu, Jingliang,Zhang, Yu,Yuan, Zhenhong,&Xie, Jun.(2015).Optimization of high solids fed-batch saccharification of sugarcane bagasse based on system viscosity changes.JOURNAL OF BIOTECHNOLOGY,211,5-9.
MLA Liu, Yunyun,et al."Optimization of high solids fed-batch saccharification of sugarcane bagasse based on system viscosity changes".JOURNAL OF BIOTECHNOLOGY 211(2015):5-9.
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