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Master thesis

Etude de la dynamique de bactéries pathogènes lors du stockage de produits résiduaires organiques issus de la méthanisation : influence de déterminants biotiques (activité microbienne) et de la biodisponibilité de la matière organique

Abstract : In a current context of saving energy and waste management, anaerobic digestion is one way for treating organic wastes. This process produces biogas (methane and carbon dioxyde) and digestate. Digestate, wich contained fertilizer components appeared to be an effective fertilizer for agriculture. The sanitation of digestate is very important to limit environnemental and health risks related to pathogenic microorganisms. Anaerobic digestion process allowed to reduce pathogenic microorganism infection but which could re-appear during storage. This study aims at investigating biotic (microbial activity) or abiotic (organic matter content) factors that influence the survival of two pathogenic bacteria (Listeria and Salmonella). Those results will provide key informations allowing a better control on survival of pathogens and to lead to favorables storage conditions for the reduction of health risks.
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Master thesis
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http://docnum.univ-lorraine.fr/public/BUS_M_2015_CUNY_ANAIS.pdf
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Anaïs Cuny. Etude de la dynamique de bactéries pathogènes lors du stockage de produits résiduaires organiques issus de la méthanisation : influence de déterminants biotiques (activité microbienne) et de la biodisponibilité de la matière organique. Microbiologie et Parasitologie. 2015. ⟨hal-01828878⟩

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