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A novel stepwise pretreatment on corn stalk by alkali deacetylation and liquid hot water for enhancing enzymatic hydrolysis and energy utilization efficiency
Jiang, Wei1,2; Xu, Jian1
2016-06-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号209期号:JUNE页码:115-124
摘要A novel stepwise pretreatment on corn stalk (CS) by alkali deacetylation combined with liquid hot water (LHW) was investigated to enhance enzymatic hydrolysis. After deacetylated treatment, strength of alkali deacetylation of CS was from 1.79% to 91.34% which was subsequently pretreated by LHW with severity from 3.27 to 4.27. It was found that higher strength of alkali deacetylation could reduce both the degradation of hemicellulose and inhibitors formation in liquid hot water pretreatment (LHWP). Enzymatic hydrolysis efficiency was confirmed to be affected by LHW pretreatment severity (PS) and strength of alkali treatment. This combined pretreatment of alkali deacetylation and LHW could not only increase glucose yield, but also enhance energy utilization efficiency. The maximum enzymatic hydrolysis of 87.55% +/- 3.64 with the ratio of glucose yield to energy input at 50.39 g glucose kJ(-1) was obtained when strength of alkali deacetylation at 84.96% with PS at 3.97 were used. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Corn Stalk Alkali Deacetylation Liquid Hot Water Pretreatment Energy Efficiency Enzymatic Hydrolysis
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.02.111
收录类别SCI
语种英语
关键词[WOS]STRUCTURAL FEATURES ; ETHANOL-PRODUCTION ; WHEAT-STRAW ; LIGNIN ; STOVER ; FERMENTATION ; INHIBITION ; CELLULOSE ; HEMICELLULOSE ; BIOCONVERSION
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) ; National Basic Research Program of China (973 Program)(2011CB707401) ; National High Technology Research and Development Program of China (863 Program)(2012AA022301) ; Chinese Academy of Sciences(2013Y2GB0004) ; International (Regional) Cooperation and Exchange Projects Program of NSFC: Research Fund for International Young Scientists(21450110062) ; Beijing Municipal Science and Technology Project(Z14110000061404)
WOS记录号WOS:000372833500015
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20974
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
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Jiang, Wei,Xu, Jian. A novel stepwise pretreatment on corn stalk by alkali deacetylation and liquid hot water for enhancing enzymatic hydrolysis and energy utilization efficiency[J]. BIORESOURCE TECHNOLOGY,2016,209(JUNE):115-124.
APA Jiang, Wei,&Xu, Jian.(2016).A novel stepwise pretreatment on corn stalk by alkali deacetylation and liquid hot water for enhancing enzymatic hydrolysis and energy utilization efficiency.BIORESOURCE TECHNOLOGY,209(JUNE),115-124.
MLA Jiang, Wei,et al."A novel stepwise pretreatment on corn stalk by alkali deacetylation and liquid hot water for enhancing enzymatic hydrolysis and energy utilization efficiency".BIORESOURCE TECHNOLOGY 209.JUNE(2016):115-124.
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