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Liquid hot water pretreatment of energy grasses and its influence of physico-chemical changes on enzymatic digestibility
Yu, Qiang1; Liu, Jing1,2; Zhuang, Xinshu1; Yuan, Zhenhong1; Wang, Wen1; Qi, Wei1; Wang, Qiong1,2; Tan, Xuesong1; Kong, Xiaoying1
2016
Source PublicationBIORESOURCE TECHNOLOGY
Volume199
AbstractPennisetum hybrid I, II and switchgrass were pretreated with liquid hot water to enhance the release of sugars. The optimum hydrolysis factor for three energy grasses was 5.98, and the total xylose yield was 88.4%, 98.1% and 83.6% for grass I, II and S. It was indicated that the ratio of syringyl and guaiacyl units of lignin played an important role on the hemicellulose hydrolysis in LHW than branch degree, but latter contributed more on the characterization of xylooligomers degree of polymerization. Moreover, the analysis of multi-scale changes of substrate suggested that cellulose crystallinity index and degree of polymerization seemed no direct relationships for increase of enzymatic digestibility. While lignin barrier was the main factor limiting efficiency of sugar release, and Pennisetum hybrid with low lignin content and high sugar recovery was proved to be a prospective plant feedstock for cellulosic ethanol production. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordEnergy Grasses Liquid Hot Water Pretreatment Enzymatic Digestibility Biomass Recalcitrance
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.07.086
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordSUGARCANE BAGASSE ; HYDROLYSIS ; SWITCHGRASS ; BIOETHANOL ; POPULUS ; BIOMASS
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000365047200033
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10901
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yu, Qiang,Liu, Jing,Zhuang, Xinshu,et al. Liquid hot water pretreatment of energy grasses and its influence of physico-chemical changes on enzymatic digestibility[J]. BIORESOURCE TECHNOLOGY,2016,199.
APA Yu, Qiang.,Liu, Jing.,Zhuang, Xinshu.,Yuan, Zhenhong.,Wang, Wen.,...&Kong, Xiaoying.(2016).Liquid hot water pretreatment of energy grasses and its influence of physico-chemical changes on enzymatic digestibility.BIORESOURCE TECHNOLOGY,199.
MLA Yu, Qiang,et al."Liquid hot water pretreatment of energy grasses and its influence of physico-chemical changes on enzymatic digestibility".BIORESOURCE TECHNOLOGY 199(2016).
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