Hydrogen production from glycerol using halophilic fermentative bacteria

被引:63
作者
Kivisto, Anniina [1 ]
Santala, Ville [1 ]
Karp, Matti [1 ]
机构
[1] Tampere Univ Technol, Dept Chem & Bioengn, FIN-33101 Tampere, Finland
基金
芬兰科学院;
关键词
Glycerol fermentation; Biohydrogen production; 1,3-Propanediol production; Halanaerobium saccharolyticum; CLOSTRIDIUM-BUTYRICUM VPI-3266; ESCHERICHIA-COLI; HALOINCOLA-SACCHAROLYTICA; HYPERSALINE LAKE; WASTE-WATER; SP-NOV; 1,3-PROPANEDIOL; MICROORGANISMS; ACETOBUTYLICUM; PHYSIOLOGY;
D O I
10.1016/j.biortech.2010.06.066
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Glycerol-based hydrogen production by the halophilic bacteria Halanaerobium saccharolyticum subspecies saccharolyticum and senegalensis was studied as batch experiments. The main metabolites of glycerol fermentation of both strains were hydrogen, carbon dioxide, and acetate. Subspecies saccharolyticum also produced 1,3-propanediol (1,3-PD), butyrate, and ethanol. The highest hydrogen yields were achieved with 2.5 g/l glycerol and 150 g/l salt at pH 7.4 (subsp. saccharolyticum, yield 0.6 mol/mol glycerol) and at pH 7.0 (subsp. senegalensis, yield 1.6 mol/mol glycerol). The hydrogen yield of subsp. senegalensis has potential for practical applications after scale-up and bioprocess optimizations and metabolic engineering after genome-wide sequencing could be applied to improve the yield of subsp. saccharolyticum. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:8671 / 8677
页数:7
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