Continuous bio-hydrogen production from syngas fermentation in a hollow fiber membrane reactor

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TypeArticle
Journal titleXiandai Huagong/Modern Chemical Industry
ISSN0253-4320
Volume31
Issue9
Pages7174+76
AbstractBioconversion of syngas to hydrogen was demonstrated in a continuous hollow fiber membrane bioreactor (MBR) utilizing carbon monoxide (CO) as a carbon source. An anaerobic bacterium, carboxydothermus hydrogenoformans, was used to catalyze the water-gas shift reaction (WGS) for the bioconversion of CO to hydrogen. The anaerobic fermentation of syngas in the MBR was continuously operated at various gas loading rate (Qg) and liquid recirculation speeds (Ql). The maximum CO conversion ratio (η) and hydrogen production rate (HPR) are 97.6% and 0.46 mol/d at a Qg=0.22 mol/d and a fixed nutrient recirculation speed Ql=1 500 mL/min, respectively. During syngas bioconversion, the yield of H2 can reach up to 90%. At the same time, the maximum mass transfer coefficient (kLa) in the MBR is 1.72 h-1.
Publication date
LanguageChinese
AffiliationNational Research Council Canada (NRC-CNRC); NRC Biotechnology Research Institute (BRI-IRB)
Peer reviewedYes
NPARC number21271366
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Record identifier643e3c2f-1fa9-4344-b1f9-787d5cd37591
Record created2014-03-24
Record modified2016-05-09
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