Maleic Acid Treatment Of Biologically Detoxified Corn Stover Liquor
BIORESOURCE TECHNOLOGY(2016)
摘要
Elimination of microbial and enzyme inhibitors from pretreated lignocellulose is critical for effective cellulose conversion and yeast fermentation of liquid hot water ( LHW) pretreated corn stover. In this study, xylan oligomers were hydrolyzed using either maleic acid or hemicellulases, and other soluble inhibitors were eliminated by biological detoxification. Corn stover at 20% ( w/v) solids was LHW pretreated LHW ( severity factor: 4.3). The 20% solids ( w/v) pretreated corn stover derived liquor was recovered and biologically detoxified using the fungus Coniochaeta ligniaria NRRL30616. After maleic acid treatment, and using 5 filter paper units of cellulase/g glucan ( 8.3 mg protein/g glucan), 73% higher cellulose conversion from corn stover was obtained for biodetoxified samples compared to undetoxified samples. This corresponded to 87% cellulose to glucose conversion. Ethanol production by yeast of pretreated corn stover solids hydrolysate was 1.4 times higher than undetoxified samples, with a reduction of 3 h in the fermentation lag phase. (C) 2016 Elsevier Ltd. All rights reserved.
更多查看译文
关键词
Bioabatement,Inhibitors,Hemicellulase supplementation,Enzymatic hydrolysis,Liquid hot water pretreatment,Fermentation,Ethanol,Maleic acid
AI 理解论文
溯源树
样例
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要