Biohydrogen production from hyperthermophilic anaerobic digestion of fruit and vegetable wastes in seawater: Simplification of the culture medium of Thermotoga maritima

Abstract : 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 (CaCl 2 , MgCl 2 , Balch's oligo-elements, yeast extract, KH 2 PO 4 and K 2 HPO 4) 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 H 2 production (139 mmol L À1) or H 2 yield (3.46 mol mol À1) was observed.
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Rafika Saidi, Pierre Pol Liebgott, Hana Gannoun, Lamia Ben Gaïda, Baligh Miladi, et al.. Biohydrogen production from hyperthermophilic anaerobic digestion of fruit and vegetable wastes in seawater: Simplification of the culture medium of Thermotoga maritima. Waste Management, Elsevier, 2018, 71, pp.474 - 484. ⟨10.1016/j.wasman.2017.09.042⟩. ⟨hal-01728309⟩

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