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The Ways of Factors Influencing High-Solid Enzymatic Hydrolysis of Sugarcane Bagasse Treated by Liquid Hot Water
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
2017-07-31
Source PublicationCHEMISTRYSELECT
Volume2Issue:22Pages:6240-6244
AbstractThe 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.
SubtypeArticle
KeywordEnd-products Inhibition Enzymatic Hydrolysis Fractal Kinetic Model Liquid Hot Water Sugarcane Bagasse
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/slct.201701353
WOS Subject ExtendedChemistry
WOS KeywordLIGNOCELLULOSIC BIOMASS ; PRETREATMENT SEVERITY ; ETHANOL-PRODUCTION ; WOODY BIOMASS ; CELLULASE ; LIGNIN ; SACCHARIFICATION ; DIGESTIBILITY ; DELIGNIFICATION ; PERSPECTIVES
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(21506216 ; Natural Science Foundation of Guangdong Province(2015 A030311022) ; Jiangsu Key Laboratory of Biomass Energy and Materials(JSBEM201508) ; 51561145015)
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000407471900009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/15758
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
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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