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Publication MIO : Rafika Saidi, Pierre Pol Liebgott (MIO), Hana Gannoun, Lamia Ben Gaida, Baligh Miladi , Moktar Hamdi, Hassib Bouallagui and Richard Auria (MIO) - Biohydrogen production from hyperthermophilic anaerobic digestion of fruit and vegetable wastes in seawater : Simplification of the culture medium of Thermotoga maritima in Waste Management

Version imprimable de cet article

Article history :
Received 3 July 2017
Revised 26 September 2017
Accepted 29 September 2017

A b s t r a c t
Biohydrogen production by the hyperthermophilic and halophilic bacterium T. maritima, using fruit and vegetable wastes as the carbon and energy sources was studied. Batch fermentation cultures showed that the use of a culture medium containing natural seawater and fruit and vegetable wastes can replace certain components (CaCl2, MgCl2, Balch’s oligo-elements, yeast extract, KH2PO4 and K2HPO4) present in
basal medium. However, a source of nitrogen and sulfur remained necessary for biohydrogen production.
When fruit and vegetable waste collected from a wholesale market landfill was used, no decreases in total H2 production (139 mmol L-1) or H2 yield (3.46 mol mol-1) was observed.

Keywords :
Fruit and vegetable wastes
Thermotoga maritima
Natural seawater
Hyperthermophilic anaerobic digestion