Photoproduction of hydrogen by Rhodobacter capsulatus from thermophilic fermentation effluent

Date

2009-08-01

Author

Uyar, Basar
Schumacher, Matthias
Gebicki, Jakub
Modigell, Michael

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Rhodobacter capsulatus was used for the phototrophic hydrogen production on effluent solution derived from the thermophilic fermentation of Miscanthus hydrolysate by Thermotoga neapolitana. Pretreatments such as centrifugation, dilution, buffer addition, pH adjustment and sterilization were suggested for the effluent before being fed to the photofermentation. Batch-wise experiments showed that R. capsulatus grows and produces hydrogen on the pretreated effluent solution. Moreover, it was found that the hydrogen yield increased from 0.3 to 1.0 L/L-culture by addition of iron to the effluent solution.

Subject Keywords

Biological hydrogen production, Dark fermentation, Photofermentation, Rhodobacter capsulatus

URI

https://hdl.handle.net/11511/67837

Collections

Department of Biology, Article