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发酵抑制物对葡萄糖发酵产乙醇的影响

李志强 费本华 江泽慧

化工进展Issue(z1):80-84,5.
化工进展Issue(z1):80-84,5.

发酵抑制物对葡萄糖发酵产乙醇的影响

Effects of fermentation inhibitors on ethanol production of glucose fermentation

李志强 1费本华 1江泽慧1

作者信息

  • 1. 国际竹藤中心,国家林业局竹藤科学与技术重点实验室,北京 100102
  • 折叠

摘要

Abstract

In pretreatments of lignocellulosic materials for bioethanol production,certain amount of sugars was degraded as fermentation inhibitors,and the degradation was much more severe in the acidic pretreatment.Theses fermentations inhibitors including formic acid, acetic acid, levulinic acid,furfural,and 5-hydroxymethylfurfural (HMF)which affect the conversion yield of ethanol from glucose fermentation.This paper examined the effect of the five fermentation inhibitors concentration on the ethanol yield of Saccharomyces cerevisiae glucose fermentation. The results show that, synergistic effect of various fermentation inhibitors on ethanol fermentation was higher than single fermentation inhibitor on ethanol fermentation.The total fermentation inhibitors in fermentation solutions generally controlled within 3.0g/L,which inhibitory effect on glucose fermentation for ethanol is not obvious.

关键词

发酵抑制物/乙醇发酵/生物乙醇/协同作用

Key words

fermentation inhibitors/ethanol fermentation/bioethanol/synergistic effect

引用本文复制引用

李志强,费本华,江泽慧..发酵抑制物对葡萄糖发酵产乙醇的影响[J].化工进展,2015,(z1):80-84,5.

基金项目

国际竹藤中心基本科研业务费专项资金资助项目(1632015006)。 (1632015006)

化工进展

OA北大核心CSCDCSTPCD

1000-6613

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