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Periodic peristalsis releasing constrained water in high solids enzymatic hydrolysis of steam exploded corn stover
Liu, Zhi-Hua1,2; Chen, Hong-Zhang1
2016-04-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号205期号:APR页码:142-152
摘要

Periodic peristalsis was used to release water constraint and increase high solids enzymatic hydrolysis efficiency. Glucan and xylan conversion in periodic peristalsis enzymatic hydrolysis (PPEH) at 21% solid loading increased by 5.2-6.4% and 6.8-8.8% compared with that in incubator shaker enzymatic hydrolysis (ISEH), respectively. Hydrolysis kinetics suggested that sugars conversion significantly increased within 24 h in PPEH compared with ISEH. The peak height of main water pool increased by 7.7-43.1% within 24 h in PPEH compared with ISEH. The increases in peak height of main water pool were consistent with the increases in glucan conversion. Submicroscopic particulates and macro granule residues contributed greatly to water constraint compared with glucose, xylose, ethanol, and Tween 80. Smaller particle size and longer residence time resulted in lower water constraint and facilitated the enzymatic hydrolysis performance. Periodic peristalsis was an effective method to reduce water constraint and increase high solids enzymatic hydrolysis efficiency. (C) 2016 Elsevier Ltd. All rights reserved.

关键词Water Constraint Steam Explosion High Solids Enzymatic Hydrolysis Periodic Peristalsis Particle Size
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.01.037
收录类别SCI
语种英语
关键词[WOS]Lignocellulosic Biomass ; Particle-size ; Simultaneous Saccharification ; Explosion Pretreatment ; Bioethanol Production ; Ethanol-production ; Loadings ; Digestibility ; Fermentation ; Fractionation
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 High Technology Research and Development Program (863 Program)(2012AA021302) ; Open Funding Project of the National Key Laboratory of Biochemical Engineering(2013KF-01)
WOS记录号WOS:000369727400019
引用统计
被引频次:4[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/122111/20633
专题研究所(批量导入)
通讯作者Chen, Hong-Zhang
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100190, Peoples R China
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Liu, Zhi-Hua,Chen, Hong-Zhang. Periodic peristalsis releasing constrained water in high solids enzymatic hydrolysis of steam exploded corn stover[J]. BIORESOURCE TECHNOLOGY,2016,205(APR):142-152.
APA Liu, Zhi-Hua,&Chen, Hong-Zhang.(2016).Periodic peristalsis releasing constrained water in high solids enzymatic hydrolysis of steam exploded corn stover.BIORESOURCE TECHNOLOGY,205(APR),142-152.
MLA Liu, Zhi-Hua,et al."Periodic peristalsis releasing constrained water in high solids enzymatic hydrolysis of steam exploded corn stover".BIORESOURCE TECHNOLOGY 205.APR(2016):142-152.
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