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Bacterial ecology of abattoir wastewater treated by an anaerobic digestor

Abstract : Wastewater from an anaerobic treatment plant at a slaughterhouse was analysed to determine the bacterial biodiversity present. Molecular analysis of the anaerobic sludge obtained from the treatment plant showed significant diversity, as 27 different phyla were identified. Firmicutes, Proteobacteria, Bacteroidetes, Thermotogae, Euryarchaeota (methanogens), and msbl6 (candidate division) were the dominant phyla of the anaerobic treatment plant and represented 21.7%, 18.5%, 11.5%, 9.4%, 8.9%, and 8.8% of the total bacteria identified, respectively. The dominant bacteria isolated were Clostridium, Bacteroides, Desulfobulbus, Desulfomicrobium, Desulfovibrio and Desulfotomaculum. Our results revealed the presence of new species, genera and families of microorganisms. The most interesting strains were characterised. Three new bacteria involved in anaerobic digestion of abattoir wastewater were published.
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Linda Jabari, Hana Gannoun, Eltaief Khelifi, Jean-Luc Cayol, Jean-Jacques Godon, et al.. Bacterial ecology of abattoir wastewater treated by an anaerobic digestor. Brazilian Journal of Microbiology, Sociedade Brasileira de Microbiologia, 2016, 47 (1), pp.73-84. ⟨10.1016/j.bjm.2015.11.029⟩. ⟨hal-02633155⟩

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