Effect of Mo-containing additives on biohydrogen fermentation from cassava’s stillage

The effects of initial pH value and Mo-containing additives on biohydrogen production from cassava’s stillage were investigated. The biogas composition and individual volatile fatty acids (VFAs) in the liquid phase were determined. The results showed that hydrogen production could be enhanced by add...

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Veröffentlicht in:International journal of hydrogen energy 2011-05, Vol.36 (9), p.5289-5295
Hauptverfasser: Dong-Jie, Niu, Jing-Yuan, Wang, Bao-Ying, Wang, You-Cai, Zhao
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container_end_page 5295
container_issue 9
container_start_page 5289
container_title International journal of hydrogen energy
container_volume 36
creator Dong-Jie, Niu
Jing-Yuan, Wang
Bao-Ying, Wang
You-Cai, Zhao
description The effects of initial pH value and Mo-containing additives on biohydrogen production from cassava’s stillage were investigated. The biogas composition and individual volatile fatty acids (VFAs) in the liquid phase were determined. The results showed that hydrogen production could be enhanced by adding Mo-containing materials to the mixture of heat-shocked sludge and cassava stillage. The optimum initial pH value ranged from 5.5 to 7.5. The increase of the Mo-containing additive concentration from 1 × 10 −8 mol/L to 1 × 10 −7 mol/L also enhanced biohydrogen production. However, excessive Mo concentrations did not show the same enhancement. Both pH value and Mo-containing additive changed the concentration of final liquid products, but did not change the resultant compounds.
doi_str_mv 10.1016/j.ijhydene.2011.01.139
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subjects Alternative fuels. Production and utilization
Anaerobic digestion
Applied sciences
Biohydrogen
Cassava’s stillage
Energy
Exact sciences and technology
Fuels
Hydrogen
Manihot esculenta
title Effect of Mo-containing additives on biohydrogen fermentation from cassava’s stillage
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