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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
Source PublicationAPPLIED ENERGY
Volume157
AbstractA 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.
SubtypeArticle
KeywordMixed Culture Solid State Fermentation Sugars Enzymes Simultaneous Saccharification And Fermentation Bioethanol
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2015.05.004
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordSOLID-STATE FERMENTATION ; SWEET SORGHUM STALK ; SIMULTANEOUS SACCHARIFICATION ; XYLANASE PRODUCTION ; ETHANOL-PRODUCTION ; BETA-GLUCOSIDASE ; MIXED-CULTURE ; CELLULASE ; THERMOTOLERANT ; ASPERGILLUS
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000364249200051
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10888
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.South China Agr Univ, Inst New Energy & New Mat, Guangzhou 510642, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
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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