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Highly efficient conversion of sugarcane bagasse pretreated with liquid hot water into ethanol at high solid loading
Wang, Wen; Zhuang, Xinshu; Yuan, Zhenhong; Yu, Qiang; Xu, Jingliang; Qi, Wei; Wang, Qiong
2016
发表期刊INTERNATIONAL JOURNAL OF GREEN ENERGY
卷号13期号:3页码:298-304
摘要Liquid hot water (LHW), an environmental-friendly physico-chemical treatment, was applied to pretreat the sugarcane bagasse (SCB). Tween80, a non-ionic surfactant, was used to enhance the enzymatic hydrolysis of the pretreated SCB. It found that 0.125 mL Tween80 /g dry matter could make the maximum increase (33.2%) of the glycan conversion of the LHW-pretreated SCB. A self-designed laboratory facility with a plate-and-frame impeller was applied to conduct batch hydrolysis, fed-batch hydrolysis, and the process of high-temperature (50 degrees C) fed-batch hydrolysis following low-temperature (30 degrees C) simultaneous saccharification and fermentation (SSF) which was adopted to overcome the incompatible optimum temperature of saccharification and fermentation in the SSF process. After hydrolyzing LHW-pretreated SCB for 120 h with commercial cellulase, the total sugar concentration and glycan conversion obtained from fed-batch hydrolysis were 91.6 g/L and 68.3%, respectively, which were 9.7 g/L and 7.3% higher than those obtained from batch hydrolysis. With Saccharomyces cerevisiae Y2034 fermenting under the non-sterile condition, the ethanol production and theoretical yield obtained from the process of SSF after fed-batch hydrolysis were 55.4 g/L and 88.3% for 72h, respectively, which were 15.5 g/L and 24.7% higher than those from separate fed-batch hydrolysis and fermentation. The result of this work was superior to the reported results obtained from the LHW-pretreated SCB.
文章类型Article
关键词Ethanol Fed-batch Hydrolysis Liquid Hot Water Simultaneous Saccharification And Fermentation Sugarcane Bagasse
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1080/15435075.2014.961467
研究领域[WOS]Thermodynamics ; Energy & Fuels
关键词[WOS]SWEET SORGHUM BAGASSE ; ENZYMATIC-HYDROLYSIS ; CORN STOVER ; HYDROTHERMAL TREATMENT ; PRESSURE COOKING ; BIOMASS ; SACCHARIFICATION ; CELLULASE ; POPLAR ; LIGNOCELLULOSE
收录类别SCI
语种英语
WOS类目Thermodynamics ; Energy & Fuels
WOS记录号WOS:000373108100009
引用统计
被引频次:7[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/344007/11201
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
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Wang, Wen,Zhuang, Xinshu,Yuan, Zhenhong,et al. Highly efficient conversion of sugarcane bagasse pretreated with liquid hot water into ethanol at high solid loading[J]. INTERNATIONAL JOURNAL OF GREEN ENERGY,2016,13(3):298-304.
APA Wang, Wen.,Zhuang, Xinshu.,Yuan, Zhenhong.,Yu, Qiang.,Xu, Jingliang.,...&Wang, Qiong.(2016).Highly efficient conversion of sugarcane bagasse pretreated with liquid hot water into ethanol at high solid loading.INTERNATIONAL JOURNAL OF GREEN ENERGY,13(3),298-304.
MLA Wang, Wen,et al."Highly efficient conversion of sugarcane bagasse pretreated with liquid hot water into ethanol at high solid loading".INTERNATIONAL JOURNAL OF GREEN ENERGY 13.3(2016):298-304.
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