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The Ways of Factors Influencing High-Solid Enzymatic Hydrolysis of Sugarcane Bagasse Treated by Liquid Hot Water

文献类型：期刊论文

作者Wang, Wen1,2,3; Wang, Qiong1,2,3; Tan, Xuesong1,2,3; Qi, Wei1,2,3; Yu, Qiang1,2,3; Zhuang, Xinshu1,2,3; Yuan, Zhenhong1,2,3,4
刊名CHEMISTRYSELECT
出版日期2017-07-31
卷号2期号:22页码:6240-6244
关键词End-products Inhibition Enzymatic Hydrolysis Fractal Kinetic Model Liquid Hot Water Sugarcane Bagasse
DOI10.1002/slct.201701353
文献子类Article
英文摘要The influence ways of structural feature, hydrolytic viscosity and monosaccharides concentrations on the enzymatic hydrolysis of high-solid liquid hot water (LHW)-treated lignocellulose were evaluated. The SEM observation showed that the residual lignin in the LHW-treated sugarcane bagasse (SCB) played an important role in gluing fasciculate structures, and XRD detection indicated the decrease of crystalline index (CrI) of LHW-treated SCB after lignin removal. The enzymatic hydrolysis of LHW-treated SCB with and without lignin removal showed that the residual lignin might block the access of cellobiohydrolase to the crystalline cellulose. The fractal kinetic model indicated that the benefit of the low viscosity for high-solid enzymatic hydrolysis of LHW-treated SCB would appear with the time going. As the enzymatic hydrolysis proceeding, the accumulation of glucose imposed more and more intense inhibition on the cellulolytic hydrolysis, while the xylose showed a little inhibition. The changes of UV spectra indicated that the glucose accumulation hardly affected the side chains containing tyrosine (Try) and/or tryptophan (Trp) which should be not in the catalytic active center of cellulase.
WOS关键词LIGNOCELLULOSIC BIOMASS ; PRETREATMENT SEVERITY ; ETHANOL-PRODUCTION ; WOODY BIOMASS ; CELLULASE ; LIGNIN ; SACCHARIFICATION ; DIGESTIBILITY ; DELIGNIFICATION ; PERSPECTIVES
语种英语
WOS记录号WOS:000407471900009
资助机构National Natural Science Foundation of China(21506216 ; Natural Science Foundation of Guangdong Province(2015 A030311022) ; Jiangsu Key Laboratory of Biomass Energy and Materials(JSBEM201508) ; 51561145015)
源URL[http://ir.giec.ac.cn/handle/344007/15758]  
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, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
2.CAS Key Lab Renewable Energy, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
4.Collaborat Innovat Ctr Biomass Energy, 63 Agr Rd, Zhengzhou 450002, Henan, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Wen,Wang, Qiong,Tan, Xuesong,et al. The Ways of Factors Influencing High-Solid Enzymatic Hydrolysis of Sugarcane Bagasse Treated by Liquid Hot Water[J]. CHEMISTRYSELECT,2017,2(22):6240-6244.
APA Wang, Wen.,Wang, Qiong.,Tan, Xuesong.,Qi, Wei.,Yu, Qiang.,...&Yuan, Zhenhong.(2017).The Ways of Factors Influencing High-Solid Enzymatic Hydrolysis of Sugarcane Bagasse Treated by Liquid Hot Water.CHEMISTRYSELECT,2(22),6240-6244.
MLA Wang, Wen,et al."The Ways of Factors Influencing High-Solid Enzymatic Hydrolysis of Sugarcane Bagasse Treated by Liquid Hot Water".CHEMISTRYSELECT 2.22(2017):6240-6244.

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来源：广州能源研究所

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