《化学科学与工程前沿（英文）》
>> 2017年
第11卷
第1期
doi:
10.1007/s11705-017-1617-3
RESEARCH ARTICLE
Optimization and modeling of biohydrogen production by mixed bacterial cultures from raw cassava starch
Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, China
录用日期：
2017-02-13
发布日期：
2017-03-17
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摘要
The production of bio-hydrogen from raw cassava starch via a mixed-culture dark fermentation process was investigated. The production yield of H was optimized by adjusting the substrate concentration and the microorganism mixture ratio. A maximum H yield of 1.72 mol H /mol glucose was obtained with a cassava starch concentration of 10 g/L to give a 90% utilization rate. The kinetics of the substrate utilization and of the generation of both hydrogen and volatile fatty acids were also investigated. The substrate utilization follows pseudo first order reaction kinetics, whereas the production of both H and the VFAs correlate with the Gompertz equation. These results show that cassava is a good candidate for the production of biohydrogen.
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