4.7 Article

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

期刊

WASTE MANAGEMENT
卷 71, 期 -, 页码 474-484

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.wasman.2017.09.042

关键词

Biohydrogen; Fruit and vegetable wastes; Thermotoga maritima; Natural seawater; Hyperthermophilic anaerobic digestion

资金

  1. National Institute of Applied Sciences and Technology (INSAT, Tunisia)
  2. Ministry of Higher Education and Scientific Research in Tunisia
  3. French Research Institute for Development (IRD) through the young associated team BiotecH2

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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 H-2 production (139 mmol L-1) or H-2 yield (3.46 mol mol(-1)) was observed. (C) 2017 Elsevier Ltd. All rights reserved.

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