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[1]靳艳玲,甘明哲,方扬,等.鲜甘薯发酵生产高浓度乙醇的技术[J].应用与环境生物学报,2009,15(03):410-413.[doi:10.3724/SP.J.1145.2009.00410]
 JIN Yanling,GAN Mingzhe,FANG Yang,et al.Very High Gravity Fermentation of Ethanol with Fresh Sweet Potato[J].Chinese Journal of Applied & Environmental Biology,2009,15(03):410-413.[doi:10.3724/SP.J.1145.2009.00410]
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鲜甘薯发酵生产高浓度乙醇的技术()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
15卷
期数:
2009年03期
页码:
410-413
栏目:
生物质能源专辑
出版日期:
2009-05-15

文章信息/Info

Title:
Very High Gravity Fermentation of Ethanol with Fresh Sweet Potato
作者:
靳艳玲甘明哲方扬李科付洁赵海
1中国科学院成都生物研究所 成都 610041
2中国科学院研究生院 北京 100049
Author(s):
JIN YanlingGAN MingzheFANG YangLI KeFU JieZHAO Hai1
1Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
2Graduate University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
乙醇鲜甘薯高浓度
Keywords:
fuel ethanol fresh sweet potato very high gravity
分类号:
TK6 : S531.099 : TQ920.6
DOI:
10.3724/SP.J.1145.2009.00410
文献标志码:
A
摘要:
摘 要 乙醇作为燃料可以改善能源结构,减少对石油进口的依赖. 高浓度发酵技术是一种生产燃料乙醇的新兴技术,有利于降低乙醇的生产成本. 本研究采用酿酒酵母以鲜甘薯为底物进行了快速高浓度乙醇发酵的研究. 对高浓度乙醇发酵的影响因素如发酵促进剂种类和浓度、无机盐、维生素及初糖浓度进行了探讨,获得了最佳发酵培养基配方,确定最适发酵促进剂为B,浓度为1.20 g kg-1,不需要添加无机盐和维生素,初糖浓度为270 g kg-1. 在最适条件下,28 h可生产乙醇132.86 g kg-1,乙醇发酵强度达4.74 g kg-1 h-1,发酵效率达91.44%. 发酵规模放大至10 L时,28 h可产生乙醇131.71 g kg-1,乙醇发酵强度为4.70 g kg-1 h-1,发酵效率为90.53%. 图3 表3 参16
Abstract:
Abstract Ethanol can be utilized as fuel to improve energy consumption structure and reduce dependence on oil. Very high gravity fermentation, as a kind of emerging technique, can greatly reduce the costs of ethanol production. The very high gravity fermentation of ethanol with fresh sweet potato by Saccharomyces cerevisiae was studied. The impact factors of this fermentation technique were investigated, including fermentation stimulant, inorganic salt, vitamin and initial sugar concentration. As a result, the optimal fermentation culture was determined: 1.20 g kg-1 fermentation stimulant B, 270 g kg-1 initial sugar concentration and no inorganic salt and vitamin. Under the optimum medium conditions, 132.86 g kg-1 ethanol was produced within 28 hours and the ethanol production rate reached 4.74 g kg-1 h-1. In 10 L fermentor, 131.71 g kg-1 ethanol was produced within 28 hours and the ethanol production rate reached 4.70 g kg-1 h-1. Fig 3, Tab 3, Ref 16

参考文献/References:

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备注/Memo

备注/Memo:
*国家科技支撑计划项目(No. 2007BAD78B04)资助 Supported by the National Key Technology R & D Program of China (No. 2007BAD78B04)
**通讯作者 Corresponding author (E-mail: zhaohai@cib.ac.cn)
更新日期/Last Update: 2009-07-03