Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 37, Issue 17, Pages 12167-12174Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2012.03.134
Keywords
Photosynthetic bacteria; Compound carbon source; Hydrogen production; Rhodobacter sphaeroides RV
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Funding
- Chinese Academy of Sciences [KJCX2-YW-H21]
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Rhodobacter sphaeroides RV was employed to produce hydrogen for the photo-fermentation of sole (acetate, propionate, butyrate, lactate, malate, succinate, ethanol, glucose, citrate and sodium carbonate) and compound carbon sources (malate and succinate, lactate and succinate). The concentrations of sole carbon sources on hydrogen production were investigated in batch assays at 0.8 g/L sodium glutamate and the maximum hydrogen yield was 424 mmol H-2/mol-substrate obtained at 0.8 g/L sodium propionate. The maximum hydrogen yield reached 794 mmol H-2/mol-substrate for 2.02 g lactate and 2.0 g succinate as the compound carbon source. The results showed hydrogen production for the compound carbon source was better than the sole carbon source. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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