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Méthodologie de minimisation de la pollution appliquée au traitement de surface : étude de l’entraînement comme vecteur de pollution

Abstract : Currently, via the prevention principle, environmental regulations incite industries to implement strategies to reduce the pollution at the source (ICPE, IPPC, IED). Industries are sometimes lost in front of various proposed technical solutions. The application of cleaner production strategies such as good operational procedures and good practices of management allow to answer these constraints.The metal finishing activity uses a lot of water and chemicals and thus generates polluted effluents. The objective of this work is to propose a simple methodology of limitation of the pollution flows and of the water specific consumption of metal finishing workshops.Then, experimental studies have allowed, on one hand, to create an easy method of the drag-out calculation and, on the other hand, to show and to quantify the influence of different parameters on the drag-out, from a qualitative and quantitative point of view. They are, for example, the shape and the roughness of the treated pieces, the draining time, the superficial tension of the treatment solutions but also the stirring type and duration of rinsing.All these elements, integrated into the methodology of pollution minimization, allow to realize a diagnosis of the process line. Moreover, it permits to estimate the impact of a modification of this installation on the specific consumption of water, on the pollution balance assessment and on the rinsing quality. So, this methodology can help to optimize and to limit consumptions of water and chemicals not only on the process line but also in wastewater treatment plant, so decreasing the environmental impacts and the running costs.
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  • HAL Id : tel-00669667, version 1

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Florine Leveillard. Méthodologie de minimisation de la pollution appliquée au traitement de surface : étude de l’entraînement comme vecteur de pollution. Autre. Ecole Nationale Supérieure des Mines de Saint-Etienne, 2011. Français. ⟨NNT : 2011EMSE0598⟩. ⟨tel-00669667⟩

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