Caractérisation des dangers des produits et évaluation des risques d'explosion d'ATEX, contribution à l'amélioration de la sécurité des procédés industriels

Abstract : Controlling fire and explosion hazards in industrial processes is based on occurrence conditions and the assessment of possible effects and consequences of these events. The feedback from industrial accidents involving combustible products often reveals an insufficient identification of products hazards and/or an incorrect or incomplete risk assessment of the processes by the operators. The regulatory evolutions in the past decade were aimed at better identification and management of these risks. Nevertheless, in order to reduce the frequency and the severity of these accidents, it is necessary to further improve the safety procedures concerning combustible materials. When this evaluation is the most accurate and realistic, prevention and protection measures are the most adequate. This requires an accurate hazard characterization of the products stored, transported or used. It is also necessary to better identify and manage the risks associated. This work has been devoted primarily to the regulatory characterization of physical and chemical hazards of substances and mixtures, as well as evaluating the ability of flammable gas, vapour or dust to form explosive atmospheres and an eventual ignition. Secondly, this work have attempted to highlight the key elements of the regulatory, normative and methodological context concerning explosive atmospheres and to develop a specific methodology allowing explosive atmospheres explosion risk assessment in industrial facilities, consistent with applicable regulatory requirements
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Agnès Janès. Caractérisation des dangers des produits et évaluation des risques d'explosion d'ATEX, contribution à l'amélioration de la sécurité des procédés industriels. Autre. Université de Lorraine, 2012. Français. ⟨NNT : 2012LORR0346⟩. ⟨tel-01749482⟩

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