Les enjeux de la caractérisation des déchets ménagers pour le choix des traitements adaptés dans les pays en développement : résultats de la caractérisation dans le grand Tunis mise au point d'un méthode adaptée

Abstract : The analysis of the situation of waste in the developping countries, reveals some errors in the choice of treatment technics. The lack of rigorous characterisation according to an operational and adapted method is one of the main reason of these errors. For the characterisation of the waste from a city, is often made using mathematical formula or any non representative sampling. In the best of the cases, methods developed in the industrialised countries are used. These methods do not really account for the different nature of waste in the developping countries (quantity, quality, spacial dispersion, seasonal variations, ) and the particular conditions of the operations (difficult conditions for waste manipulation, lack of specialized laboratory, ) cannot guaranty a real representativity of the characterized waste. To answer this problematic, our research proposes an adapted method based on measurements and analysis of real representative samples and a procedure of waste sorting, according to organic and humid waste composition, and to the very difficult conditions for waste manipulation. Sampling and sorting procedures have been developped in previous of the characterisation campaigns, based on laboratory tests and real size samplings. This method has been validated in the Great Tunis (Tunisia) during 4 seasons: spring 2004 - summer 2004 - autumn 2004 and winter 2005. The results of these characterisation campaigns highlight the need for waste characterisation as a preliminary step of a strategy to supply the real basis to get an opinion in the choice of adapted treatments, in particular with regard to the compostable and recyclable waste
Mots-clés : Déchets-élimination
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Samira Ben Ammar. Les enjeux de la caractérisation des déchets ménagers pour le choix des traitements adaptés dans les pays en développement : résultats de la caractérisation dans le grand Tunis mise au point d'un méthode adaptée. Autre. Institut National Polytechnique de Lorraine, 2006. Français. ⟨NNT : 2006INPL065N⟩. ⟨tel-01752488⟩

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