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Pretreatment of sugarcane bagasse with liquid hot water and aqueous ammonia
Yu, Qiang1; Zhuang, Xinshu1; Yuan, Zhenhong1; Qi, Wei1; Wang, Wen1; Wang, Qiong1,2; Tan, Xuesong1
2013-09-01
发表期刊BIORESOURCE TECHNOLOGY
卷号144页码:210-215
摘要Low water consumption operation (LWCO) can reduce the usage of water and energy input for the liquid hot water (LHW) pretreatment of sugarcane bagasse (SB) but causes great negative effects on the saccharification rate of xylose and enzymatic digestibility (ED) of cellulose. Therefore, a combined pretreatment with LHW and aqueous ammonia (LHWAA) was developed. ED of glucan and xylan is enhanced greatly resulted from the removal of hemicellulose and lignin after the LHWAA pretreatment. However, the intriguing results of low lignin removal and ED value were observed at the high reaction temperature of 180 degrees C for the second step pretreatment of AA. It was proposed that lignin or pseudo-lignin droplet redeposited on the surface of residual solids might play a crucial role in determining the ED, so it is indispensable to make the enzyme access to the cellulose by the step of post-treatment with ultrasonic washing or hot washing. Coupled with the process of post-treatment and enzymatic hydrolysis, a high hemicellulose derived sugars recovery of 75.5% and glucose recovery of 87% was obtained for LHWAA pretreatment. (c) 2013 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Sugarcane Bagasse Liquid Hot Water Aqueous Ammonia Sugar Recovery Pretreatment
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2013.06.078
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]SWEET SORGHUM BAGASSE ; CORN STOVER ; IONIC LIQUIDS ; TECHNOLOGIES ; BIOMASS ; FRACTIONATION ; SWITCHGRASS ; HYDROLYSIS ; RECOVERY
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000324280100030
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10029
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.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Yu, Qiang,Zhuang, Xinshu,Yuan, Zhenhong,et al. Pretreatment of sugarcane bagasse with liquid hot water and aqueous ammonia[J]. BIORESOURCE TECHNOLOGY,2013,144:210-215.
APA Yu, Qiang.,Zhuang, Xinshu.,Yuan, Zhenhong.,Qi, Wei.,Wang, Wen.,...&Tan, Xuesong.(2013).Pretreatment of sugarcane bagasse with liquid hot water and aqueous ammonia.BIORESOURCE TECHNOLOGY,144,210-215.
MLA Yu, Qiang,et al."Pretreatment of sugarcane bagasse with liquid hot water and aqueous ammonia".BIORESOURCE TECHNOLOGY 144(2013):210-215.
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