Hydrogen productivity of photosynthetic bacteria on dark fermenter effluent of potato steam peels hydrolysate

Hydrogen productivities of different photosynthetic bacteria have been searched on real thermophilic dark fermentation effluents (DFE). The results obtained with potato steam peels hydrolysate (PSP) DFE were compared to glucose DFE. Photobiological hydrogen production has been carried out in indoor,...

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Bibliographic Details
Published in:International journal of hydrogen energy 2011, Vol.36 (1), p.432-438
Main Authors: Afsar, Nilüfer, Özgür, Ebru, Gürgan, Muazzez, Akköse, Sevilay, Yücel, Meral, Gündüz, Ufuk, Eroglu, Inci
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Biohydrogen
Dark fermentation
Energy
Exact sciences and technology
Fuels
Hydrogen
Photofermentation
Potato steam peels
Purple non-sulfur bacteria
Rhodobacter capsulatus
Rhodobacter sphaeroides
Rhodopseudomonas palustris
Solanum tuberosum
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Summary:Hydrogen productivities of different photosynthetic bacteria have been searched on real thermophilic dark fermentation effluents (DFE). The results obtained with potato steam peels hydrolysate (PSP) DFE were compared to glucose DFE. Photobiological hydrogen production has been carried out in indoor, batch photobioreactors using several strains of purple non-sulfur (PNS) bacteria such as Rhodobacter capsulatus (DSM1710), Rhodobacter capsulatus hup- (YO3), Rhodobacter sphaeroides O.U.001 (DSM5864), Rb. sphaeroides O.U.001 hup- and Rhodopseudomonas palustris. The efficiency of photofermentation depends highly on the composition of the effluent and the PNS bacterial strain used. Rb. sphaeroides produced the highest amount of hydrogen on glucose DFE. Rb. capsulatus gave better results on PSP DFE. This study demonstrates that photobiological hydrogen production with high efficiency and productivity is possible on thermophilic dark fermentation effluents. Consequently, a sequential operation of dark fermentation and photofermentation is a promising route to produce hydrogen, and it provides a higher hydrogen yield compared to single step processes.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2010.09.096