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Consolidated bioprocess for bioethanol production with alkali-pretreated sugarcane bagasse
Liu, Yunyun1,2; Zhang, Yu1; Xu, Jingliang1; Sun, Yongming1; Yuan, Zhenhong1; Xie, Jun2
2015-11-01
发表期刊APPLIED ENERGY
卷号157
摘要A consolidated bioprocess integrating enzyme production, saccharification and fermentation was applied for bioethanol production. Mixed solid-state fermentation of alkali-pretreated sugarcane bagasse (SCB) supplemented with wheat bran (WB) to produce a compound enzyme for saccharification by Trichoderma and Penicillium was carried out, and at 72 h, the obtained sugars concentration was 20.190 g/L. Then the mixture was further converted to ethanol by inoculating Saccharomyces cerevisiae. After 24 h, the maximum ethanol concentration 5.825 g/L (40.84% of theoretical yield) was achieved. At 144 h, the produced 8-glucosidase activity and fungal biomass were 0.483 IU/mL and 0.204 g/g, respectively. The consolidated bioprocess avoided enzyme preparation, saved much water/energy consumption and reduced equipment investment, which indicated that it might be an effective approach for the economic production of bioethanol. (C) 2015 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Mixed Culture Solid State Fermentation Sugars Enzymes Simultaneous Saccharification And Fermentation Bioethanol
WOS标题词Science & Technology ; Technology
DOI10.1016/j.apenergy.2015.05.004
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]SOLID-STATE FERMENTATION ; SWEET SORGHUM STALK ; SIMULTANEOUS SACCHARIFICATION ; XYLANASE PRODUCTION ; ETHANOL-PRODUCTION ; BETA-GLUCOSIDASE ; MIXED-CULTURE ; CELLULASE ; THERMOTOLERANT ; ASPERGILLUS
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000364249200051
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10888
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.South China Agr Univ, Inst New Energy & New Mat, Guangzhou 510642, Guangdong, Peoples R China
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Liu, Yunyun,Zhang, Yu,Xu, Jingliang,et al. Consolidated bioprocess for bioethanol production with alkali-pretreated sugarcane bagasse[J]. APPLIED ENERGY,2015,157.
APA Liu, Yunyun,Zhang, Yu,Xu, Jingliang,Sun, Yongming,Yuan, Zhenhong,&Xie, Jun.(2015).Consolidated bioprocess for bioethanol production with alkali-pretreated sugarcane bagasse.APPLIED ENERGY,157.
MLA Liu, Yunyun,et al."Consolidated bioprocess for bioethanol production with alkali-pretreated sugarcane bagasse".APPLIED ENERGY 157(2015).
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