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The effect of metal salts on the decomposition of sweet sorghum bagasse in flow-through liquid hot water
Yu, Qiang1,2; Zhuang, Xinshu1; Yuan, Zhenhong1; Qi, Wei1; Wang, Qiong1; Tan, Xuesong1
2011-02-01
发表期刊BIORESOURCE TECHNOLOGY
卷号102期号:3页码:3445-3450
摘要The impact of the metal salts NaCl, KCl, CaCl(2), MgCl(2), FeCl(3), FeCl(2). and CuCl(2), particularly the latter, on the decomposition of hemicellulose and lignin from sweet sorghum bagasse in liquid hot water pretreatment processing was studied in an attempt to enhance the recovery of sugars. Transition metal chlorides significantly enhanced the hemicellulose removal compared to the alkaline earth metal chlorides and alkaline metal chlorides, contributing to the formation of a saccharide-metal cation intermediate complex. FeCl(2) greatly increased xylose degradation and about 60% xylan was converted into non-saccharide products. In contrast, an excellent total and monomeric xylose recovery was obtained after the CuCl(2) pretreatment. Most of the lignin was deposited on the surface of the residual solid with droplet morphologies after this pretreatment, and about 20% was degraded into monomeric products. The total recovery of sugars from sweet sorghum bagasse with 0.1% CuCl(2) solution pretreatment and 48 h enzymatic digestibility, reached 90.4%, which is superior to the recovery using hot water pretreatment only. (C) 2010 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Hemicellulose Lignin Liquid Hot Water Metal Salts Sweet Sorghum Bagasse
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2010.10.084
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]CORN STOVER ; ENZYMATIC-HYDROLYSIS ; INORGANIC SALTS ; OLIVE OIL ; PRETREATMENT ; DEGRADATION ; LIGNIN ; CONVERSION ; SUGARS
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000286904500184
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10396
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Yu, Qiang,Zhuang, Xinshu,Yuan, Zhenhong,et al. The effect of metal salts on the decomposition of sweet sorghum bagasse in flow-through liquid hot water[J]. BIORESOURCE TECHNOLOGY,2011,102(3):3445-3450.
APA Yu, Qiang,Zhuang, Xinshu,Yuan, Zhenhong,Qi, Wei,Wang, Qiong,&Tan, Xuesong.(2011).The effect of metal salts on the decomposition of sweet sorghum bagasse in flow-through liquid hot water.BIORESOURCE TECHNOLOGY,102(3),3445-3450.
MLA Yu, Qiang,et al."The effect of metal salts on the decomposition of sweet sorghum bagasse in flow-through liquid hot water".BIORESOURCE TECHNOLOGY 102.3(2011):3445-3450.
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