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

Rafika Saidi; Pierre Pol Liebgott; Hana Gannoun; Lamia Ben Gaïda; Baligh Miladi; Moktar Hamdi; Hassib Bouallagui; Richard Auria

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

Rafika Saidi ^{1, 2} Pierre Pol Liebgott ² Hana Gannoun ^{1, 3} Lamia Ben Gaïda ^{3, 1} Baligh Miladi ¹ Moktar Hamdi ¹ Hassib Bouallagui ¹ Richard Auria ²

1 LETMi - Laboratoire d'Ecologie et de Technologie Microbiennes

2 MIO - Institut méditerranéen d'océanologie

3 ISSBAT - Institut Supérieur des Sciences Biologiques Appliquées de Tunis

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.

Document type :

Journal articles

Domain :

Life Sciences [q-bio] / Biotechnology

Life Sciences [q-bio] / Ecology, environment

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Submitted on : Friday, February 8, 2019 - 4:00:48 PM
Last modification on : Tuesday, February 12, 2019 - 1:17:35 AM

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

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