|本期目录/Table of Contents|

[1]林增祥,李荣秀,刘莉,等.沙柳原料高浓度底物酶解发酵乙醇工艺[J].生物加工过程,2014,12(02):1-5.[doi:10.3969/j.issn.1672-3678.2014.02.001]
 LIN Zengxiang,LI Rongxiu,LIU Li,et al.Process of high-solid loadings on enzymatic hydrolysis and ethanol fermentation of Salix biomass[J].Chinese Journal of Bioprocess Engineering,2014,12(02):1-5.[doi:10.3969/j.issn.1672-3678.2014.02.001]
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沙柳原料高浓度底物酶解发酵乙醇工艺()
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《生物加工过程》[ISSN:1672-3678/CN:32-1706/Q]

卷:
12
期数:
2014年02期
页码:
1-5
栏目:
出版日期:
2014-04-03

文章信息/Info

Title:
Process of high-solid loadings on enzymatic hydrolysis and ethanol fermentation of Salix biomass
文章编号:
1672-3678(2014)02-0001-05
作者:
林增祥12李荣秀2刘莉1沈兆兵1史吉平1
1.中国科学院 上海高等研究院 可持续技术研究中心,上海 201210; 2.上海交通大学 生命科学技术学院 生物制造实验室,上海 200240
Author(s):
LIN Zengxiang12LI Rongxiu2LIU Li1SHEN Zhaobing1SHI Jiping1
1.Research Center for Sustainable Technology,Shanghai Advanced Research Institute,Chinese Academy of Sciences, Shanghai,201210,China; 2.Key Laboratory of Microbial Metabolism of the Ministry,College of Life Science and Biotechnology,Shanghai JiaoTong University,Shanghai 200240,China
关键词:
乙醇 发酵 高浓酶解 预处理 沙柳
分类号:
S216.2
DOI:
10.3969/j.issn.1672-3678.2014.02.001
文献标志码:
A
摘要:
为了提高沙柳生物转化过程的经济可行性,考察了沙柳原料经过蒸爆、超微粉碎+稀酸、超微粉碎+稀碱预处理后高浓度底物补料酶解的效果,并对其高浓度水解糖液进行了乙醇发酵。结果表明:蒸爆处理法水解效果最好,通过补料酶解,底物质量分数可以达到30%,酶解液中总糖质量浓度达到132 g/L,葡萄糖质量浓度105 g/L; 超微粉碎+稀酸预处理原料底物质量分数可以达到22%,酶解液中总糖质量浓度达到123 g/L,葡萄糖质量浓度73 g/L; 超微粉碎+稀碱预处理原料底物质量分数可以达到22%,酶解液中总糖质量浓度133 g/L,葡萄糖质量浓度77 g/L。3种预处理使沙柳原料的酶解糖液都可以较好地被酿酒酵母利用发酵产乙醇,蒸爆处理原料的酶解糖液乙醇发酵效果最好,乙醇质量浓度达到47 g/L。

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  (责任编辑周晓薇)

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备注/Memo

备注/Memo:
收稿日期:2013-01-05
基金项目:上海市科委项目(10dz1210400); 上海浦东博士后基金(Y234081D01)
作者简介:林增祥(1980—),男,新疆博乐人,博士后,研究方向:生物化工; 史吉平(联系人),研究员,E-mail:shijp@sari.ac.cn.
更新日期/Last Update: 2014-03-30