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Changes on structural properties of biomass pretreated by combined deacetylation with liquid hot water and its effect on enzymatic hydrolysis
Jiang, Wei1; Chang, Senlin1; Qu, Yongshui1; Zhang, Zhiguo2; Xu, Jian1
2016-11-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号220期号:NOV页码:448-456
摘要

A novel combined pretreatment of deacetylation and liquid hot water (LHW) was invented which has been proved to be effective in increasing enzymatic hydrolysis yield of biomass. In order to further understand the effect of this new pretreatment process on biomass, the variation on structural properties including cellulose crystallinity index (CrI), specific surface area (SSA) and degree of polymerization (DP) before/after pretreatment and how these properties affected the enzymatic hydrolysis of biomass were explored. The improvement of pretreatment severity (PS) could increase CrI, SSA and reduce DP. Whereas the enhancement of degree of deacetylation could decrease SSA and DP. An optimal formula (E-12Y = 0.347(100 - CrI)(-0.375) x (SSA)(0.203) x (1700 - DP)(0.281)) was achieved to express the correlation between structural properties and enzymatic hydrolysis after 12 h. The enzymatic yield was more sensitive to CrI than to SSA and DP. (C) 2016 Elsevier Ltd. All rights reserved.

关键词Corn Stalk Deacetylation Liquid Hot Water Pretreatment Structural Properties Enzymatic Hydrolysis
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.08.087
收录类别SCI
语种英语
关键词[WOS]ETHANOL-PRODUCTION ; CORN STOVER ; MICROCRYSTALLINE CELLULOSE ; LIGNOCELLULOSIC BIOMASS ; ACID PRETREATMENT ; CRYSTALLINITY ; DIGESTIBILITY ; OPTIMIZATION ; MISCANTHUS ; FEATURES
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者National Natural Science Foundation of China(21276259) ; International (Regional) Cooperation and Exchange Project(21450110062) ; National High Technology Research and Development Program of China (863 Program)(2012AA022301) ; University-Institute Cooperation Funds from University of the Chinese Academy of Sciences(Y552017Y00)
WOS记录号WOS:000384712900056
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21608
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714
Jiang, Wei,Chang, Senlin,Qu, Yongshui,et al. Changes on structural properties of biomass pretreated by combined deacetylation with liquid hot water and its effect on enzymatic hydrolysis[J]. BIORESOURCE TECHNOLOGY,2016,220(NOV):448-456.
APA Jiang, Wei,Chang, Senlin,Qu, Yongshui,Zhang, Zhiguo,&Xu, Jian.(2016).Changes on structural properties of biomass pretreated by combined deacetylation with liquid hot water and its effect on enzymatic hydrolysis.BIORESOURCE TECHNOLOGY,220(NOV),448-456.
MLA Jiang, Wei,et al."Changes on structural properties of biomass pretreated by combined deacetylation with liquid hot water and its effect on enzymatic hydrolysis".BIORESOURCE TECHNOLOGY 220.NOV(2016):448-456.
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