Continuous hydrogen production from glucose by using extreme thermophilic anaerobic microflora

被引:26
|
作者
Yokoyama, Hiroshi [1 ]
Ohmori, Hideyuki [2 ]
Waki, Miyoko [3 ]
Ogino, Akifumi [3 ]
Tanaka, Yasuo [3 ]
机构
[1] NILGS, Waste Recycling Res Team, Tsukuba, Ibaraki 3050901, Japan
[2] NILGS, Funct Feed Res Team, Tsukuba, Ibaraki 3050901, Japan
[3] NILGS, Pollut Control Res Team, Tsukuba, Ibaraki 3050901, Japan
关键词
Continuous hydrogen production; Mixed culture; Extreme thermophile; Caldanaerobacter subterraneus; Glucose; MIXED CULTURES; FERMENTATION; TEMPERATURE;
D O I
10.1016/j.jbiosc.2008.09.010
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Continuous hydrogen production from glucose at 75 degrees C was examined at HRTs of 0.67, 1, 2, and 3 d by using extreme thermophilic microflora, which consisted of several subspecies of Caldanaerobacter subterraneus. The maximum hydrogen yield of 3.32 mol-H(2)/mol-glucose degraded was obtained at the highest HRT, 3 d. Both the maximum volumetric and specific rates of hydrogen production (1.22 L-H(2)/L/d and 4.15 L-H(2)/g-VSS/d, respectively) were obtained at the lowest HRT, 0.67 d. A 16S rDNA analysis showed that the community structure of the microflora did not change at any of the HRTs. (C) 2008, The Society for Biotechnology, Japan. All rights reserved.
引用
收藏
页码:64 / 66
页数:3
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