Optimization of key process variables for enhanced hydrogen production by Enterobacter aerogenes using statistical methods

被引：130

作者：

Jo, Ji Hye ^{[2
]}

Lee, Dae Sung ^{[1
]}

Park, Donghee ^{[3
]}

Choe, Woo-Seok ^{[4
]}

Park, Jong Moon ^{[2
,3
]}

机构：

[1] Kyungpook Natl Univ, Dept Environm Engn, Taegu 702701, South Korea

[2] Pohang Univ Sci & Technol, Sch Environm Sci & Engn, Adv Environm Biotechnol Res Ctr, Gyeongbuk 790784, South Korea

[3] Pohang Univ Sci & Technol, Dept Chem Engn, Gyeongbuk 790784, South Korea

[4] Sungkyunkwan Univ, Dept Chem Engn, Suwon 440746, South Korea

来源：

BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 06期

关键词：

hydrogen production rate; Enterobacter aerogenes; response surface methodology (RSM);

D O I：

10.1016/j.biortech.2007.04.027

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The individual and mutual effects of glucose concentration, temperature and pH on the hydrogen production by Enterobacter aerogenes were investigated in a batch system. A Box-Behnken design and response surface methodology (RSM) were employed to determine the optimum condition for enhanced hydrogen production. The hydrogen production rate was investigated by simultaneously changing the three independent variables, which all had significant influences on the hydrogen production rate. The maximum hydrogen production rate of 425.8 ml H-2 (g dry cell h)(-1) was obtained under the optimum condition of glucose concentration 118.06 mM, temperature 38 C and pH 6.13. The experimental results showed that the RSM with the Box-Behnken design was a useful tool for achieving high rate of hydrogen production by E aerogenes. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：2061 / 2066

页数：6

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