Biohydrogen production with mixed anaerobic cultures in the presence of high-concentration acetate

Wang, Yi, Zhao, Quan-Bao, Mu, Yang, Yu, Han-Qing, Harada, Hideki and Li, Yu-You (2008) Biohydrogen production with mixed anaerobic cultures in the presence of high-concentration acetate. International Journal of Hydrogen Energy, 33 4: 1164-1171. doi:10.1016/j.ijhydene.2007.12.018

Author Wang, Yi
Zhao, Quan-Bao
Mu, Yang
Yu, Han-Qing
Harada, Hideki
Li, Yu-You
Title Biohydrogen production with mixed anaerobic cultures in the presence of high-concentration acetate
Journal name International Journal of Hydrogen Energy   Check publisher's open access policy
ISSN 0360-3199
Publication date 2008-02
Year available 2008
Sub-type Article (original research)
DOI 10.1016/j.ijhydene.2007.12.018
Volume 33
Issue 4
Start page 1164
End page 1171
Total pages 8
Place of publication Oxford, United Kingdom
Publisher Pergamon
Collection year 2008
Language eng
Subject 090608 Renewable Power and Energy Systems Engineering (excl. Solar Cells)
090703 Environmental Technologies
Abstract Inhibition of acetate addition on hydrogen production from sucrose-rich synthetic wastewater by mixed anaerobic culture was investigated in this study. Experimental results showed that the added acetate had a significant influence on both substrate degradation and hydrogen production during the fermentation process. The distribution of aqueous products was also influenced by the acetate addition. Modified logistic equations were able to simulate the acidogenesis process well, while a noncompetitive product inhibition model was successfully used to describe the inhibitory effects of acetate addition on both substrate degradation and hydrogen production. From kinetic analysis, the maximum specific rate View the MathML source, inhibition constant View the MathML source and the exponent of inhibition n=1.53 were estimated for sucrose degradation, whereas View the MathML source, View the MathML source and n=1.52 were calculated for hydrogen production. In addition, the CI,50 values of added acetate on the specific hydrogen production rate and hydrogen yield were 11.05 and 31.90 g/l, respectively. The fermentation patterns in the reactor were substantially changed because of the acetate addition, especially at higher dosages.
Keyword Acetate
Hydrogen production
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Engineering Publications
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Created: Thu, 15 Jan 2009, 16:11:04 EST by Marianne Steentsma on behalf of School of Engineering