Please use this identifier to cite or link to this item: http://hdl.handle.net/10321/2317
Title: Continuous biohydrogen production from starch wastewater via sequential dark-photo fermentation with emphasize on maghemite nanoparticles
Authors: Nasr, Mahmoud 
Tawfik, Ahmed 
Ookawara, Shinichi 
Suzuki, Masaaki 
Kumari, Sheena K. 
Bux, Faizal 
Keywords: Starch wastewater;Anaerobic baffled reacto;Maghemite nanoparticles;Dark-photo fermentation;Hydrogen
Issue Date: 2015
Publisher: Elsevier
Source: Nasr, M. et al. 2015. Continuous biohydrogen production from starch wastewater via sequential dark-photo fermentation with emphasize on maghemite nanoparticles. Journal of Industrial and Engineering Chemistry. 21: 500-506.
Abstract: Hydrogen production from starch wastewater via sequential dark-photo fermentation process was investigated. Two anaerobic baffled reactors (ABRs) were operated in parallel at an OLR of 8.11 􀀀 0.97 g-COD/L/d, and a HRT of 15 h. ABR-1 and ABR-2 was inoculated with pre-treated sludge and sludge immobilized on maghemite nanoparticles, respectively. Better hydrogen yield of 104.75 􀀀 12.39 mL-H2/g-COD-removed was achieved in ABR-2 as compared to 66.22 􀀀 4.88 mL-H2/g-COD-removed in ABR-1. The effluent of ABR-2 was used for further hydrogen production by photo fermentation in ABR-3. An overall hydrogen yield of 166.83 􀀀 27.79 mL-H2/g-COD-removed was achieved at a total HRT of 30 h. 16S rRNA phylogeny showed that Clostridium and Rhodopseudomonas palustris species were dominant in ABR-1, ABR-2 and ABR-3, respectively.
URI: http://hdl.handle.net/10321/2317
ISSN: 1226-086X
Appears in Collections:Research Publications (Water and Wastewater Technology)

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