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title: Bioconversion of Jatropha curcas seed cake to hydrogen by a strain of Enterobacter aerogenes
author: Lopes, S. L.
Issued Date: 2015
Abstract: Hydrogen (H-2) gas is considered the future energy carrier as a clean fuel. Biological processes to produce hydrogen are very attractive due to less energy expenditures and the possibility to use organic wastes as substrate. In this work, Jatropha curcas L. seed cake (JSC), a solid residue remaining after oil extraction from J. curcas seeds for biodiesel production, was used as substrate in a dark fermentation process by a pure strain of the bacteria Enterobacter aerogenes. Batch assays were performed using the substrate (2.5 gVolatile Solid/L-Fermentation Medium) submitted to thermal pretreatment in an autoclave for two different exposure times (15 and 30 min) and the results were compared with the ones obtained when the JSC was used without pretreatment. The best specific biohydrogen production (68.2 mL H-2/gVS(iJSC)) was attained for the conditions of no substrate pretreatment, which is an advantage from the viewpoint of energy saving. In the best conditions, the increase of the initial JSC concentration from 2.5 to 10 gVS/L-FM led to the increase of the cumulative hydrogen production and to higher bioH(2) production rates. However a decrease on the specific H-2 production from 68.2 to 23.5 mL H-2/gVS(iJSC) was observed. (C) 2014 Elsevier Ltd. All rights reserved.
Source: Fuel
Content Type: 期刊论文
ISSN: 0016-2361
Appears in Collections:小桐子相关文献_期刊论文

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Recommended Citation:
Lopes, S. L. Bioconversion Of Jatropha Curcas Seed Cake To Hydrogen By A Strain Of Enterobacter Aerogenes[J]. Fuel,2015,139:715-719.

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