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学科主题: 物理化学
题名: Kinetic study of acid-catalyzed cellulose hydrolysis in 1-butyl-3-methylimidazolium chloride
作者: Zhang, Zehui1, 4, 5;  Wang, Weiqi2;  Liu, Xiangyue2;  Wang, Qian1, 3;  Li, Weixue2;  Xie, Haibo1, 3;  Zhao, Zongbao K.1, 3
通讯作者: 谢海波 ;  赵宗保
关键词: Cellulose ;  Hydrolysis ;  Ionic liquids ;  Kinetic equations
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2012-05-01
DOI: 10.1016/j.biortech.2012.02.071
卷: 112, 页:151-155
收录类别: SCI
文章类型: Article
部门归属: 18;5
项目归属: 1816;507
产权排名: 1,1
类目[WOS]: Agricultural Engineering ;  Biotechnology & Applied Microbiology ;  Energy & Fuels
研究领域[WOS]: Agriculture ;  Biotechnology & Applied Microbiology ;  Energy & Fuels
英文摘要: In this paper, the kinetics of acid-catalyzed cellulose hydrolysis in ionic liquids (ILs) was investigated by using 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) as the model IL General kinetic equations for the formation of glucose as well as cellooligomers were constructed at a molecular level, assuming that cellulose is fully dissolved to form a homogenous solution and that the scission of the glycosidic bond occurs randomly within the cellulose chain. Experimental data were well fitted according to these equations. Variations of kinetic parameters in the presence of different water content indicated that water behaved also as a base to decrease the acidity of the reaction medium. More importantly, it offered a profile of the evolution of cellooligomers. These results provided insights into the detailed mechanisms of cellulose hydrolysis in a non-aqueous, homogenous environment and should be valuable for developing strategies to depolymerize lignocellulosic biomass. (C) 2012 Elsevier Ltd. All rights reserved.
关键词[WOS]: IONIC LIQUIDS ;  SOLID ACID ;  BIOMASS ;  SYSTEM ;  DEPOLYMERIZATION ;  DISSOLUTION ;  REACTOR ;  SUGARS ;  WOOD
语种: 英语
WOS记录号: WOS:000302971200021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118209
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.CAS, Dalian Inst Chem Phys, Div Biotechnol, Dalian 116023, Peoples R China
2.CAS, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
4.S Cent Univ Nationalities, State Ethn Affairs Commiss, Key Lab Catalysis & Mat Sci, Wuhan 430074, Peoples R China
5.S Cent Univ Nationalities, Minist Educ, Coll Chem & Mat Sci, Wuhan 430074, Peoples R China

Recommended Citation:
Zhang, Zehui,Wang, Weiqi,Liu, Xiangyue,et al. Kinetic study of acid-catalyzed cellulose hydrolysis in 1-butyl-3-methylimidazolium chloride[J]. BIORESOURCE TECHNOLOGY,2012,112:151-155.
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