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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
energy
Evaluation of different supplementary nutrients for enhanced biohydrogen production by Enterobacter aerogenes NRRL B 407 using waste derived crude glycerol
International Journal of Hydrogen Energy, Volume 38, No. 5, Year 2013
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Description
Crude glycerol (CG) has several advantages over a range of conventional substrates used for biohydrogen production by Enterobacter aerogenes NRRL B 407. Meanwhile, high process cost due to requirement of expensive supplementary media component is a concern. Therefore, different less expensive (or wastes) materials have been evaluated as supplementary nutrient for H2 production by CG (meat processing and restaurant waste based biodiesel derived) bioconversion. Among the materials selected, slaughterhouse liquid waste (SL), brewery waste biomass (BWB) and urea was found to improve the production by 18.81 ± 3.56, 27.30 ± 3.54 and 38.57 ± 3.66%, respectively. Further, in the case of urea (10 mg/L), cumulative production as high as 116.41 ± 3.72 μmol H2/L media has been achieved; which is comparable to other reports available on CG bioconversion. Thus, present study demonstrates successful replacement of large amount (~5-6 g/L) of expensive nutrients/buffering agents by negligible amount (~10 mg/L) of different waste materials, without compromising the cumulative H2 yield. Further, the strain used in the present study was found to grow at an acidic pH as low as 3.3, indicating its prospective application for dark fermentative H2 production. Copyright © 2012, Hydrogen Energy Publications, LLC.
Authors & Co-Authors
Sarma, Saurabh Jyoti
Canada, Quebec
Centre Eau Terre Environnement
Brar, Satinder K.
Canada, Quebec
Centre Eau Terre Environnement
Le Bihan, Yann
Canada, Quebec
Centre de Recherche Industrielle du Québec
Buelna, Gerardo
Canada, Quebec
Centre de Recherche Industrielle du Québec
Rabeb, Louhichi
Tunisia, Mateur
University of Carthage, Ecole Supérieure D‘agriculture de Mateur
Soccol, C. Ricardo
Brazil, Curitiba
Universidade Federal do Parana
Naceur, Mhamdi
Tunisia, Mateur
University of Carthage, Ecole Supérieure D‘agriculture de Mateur
Rachid, Bouraoui
Tunisia, Mateur
University of Carthage, Ecole Supérieure D‘agriculture de Mateur
Statistics
Citations: 24
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.1016/j.ijhydene.2012.11.110
ISSN:
03603199
Study Design
Cohort Study