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Title: Comparative study of biohydrogen production by four dark fermentative bacteria
Authors: Hu, Cheng Cheng
Giannis, Apostolos
Chen, Chia-Lung
Qi, Wei
Wang, Jing-Yuan
Keywords: Clostridium butyricum
Clostridium pasteurianum
Enterobacter aerogenes
Clostridium beijerinckii
Dark fermentative bacteria
Issue Date: 2013
Source: Hu, C. C., Giannis, A., Chen, C. L., Qi, W., & Wang, J. Y. (2013). Comparative study of biohydrogen production by four dark fermentative bacteria. International Journal of Hydrogen Energy, 38(35), 15686-15692.
Series/Report no.: International Journal of Hydrogen Energy
Abstract: Dark fermentation is a promising biological method for hydrogen production because of its high production rate in the absence of light source and variety of the substrates. In this study, hydrogen production potential of four dark fermentative bacteria (Clostridium butyricum, Clostridium pasteurianum, Clostridium beijerinckii, and Enterobacter aerogenes) using glucose as substrate was investigated under anaerobic conditions. Batch experiments were conducted to study the effects of initial glucose concentration on hydrogen yield, hydrogen production rate and concentration of volatile fatty acids (VFA) in the effluents. Among the four different fermentative bacteria, C. butyricum showed great performance at 10 g/L of glucose with hydrogen production rate of 18.29 mL-H2/L-medium/hand specific hydrogen production rate of 3.90 mL-H2/g-biomass/h. In addition, it was found that the distribution of volatile fatty acids was different among the fermentative bacteria. C. butyricum and C. pasteurianum had higher ratio of acetate to butyrate compared to the other two species, which favored hydrogen generation.
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2013.03.131
Rights: © 2013 Hydrogen Energy Publications, LLC. Published by Elsevier Ltd
Fulltext Permission: none
Fulltext Availability: No Fulltext
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