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Caractérisation et valorisation de résidus hydrocarbones lourds charbonniers et pétroliers

Abstract : The characterization of high hydrocarbons residues from coal and petroleum industries and the determination of the relations between chemical composition and thermal behaviour are very important to improve the different process of valorisation and to open new ways of industrial uses of these residues like raw materials of product with high value added as carbon fibers or graphite. That lead us to value and developpe adapted analysis methods as extrography and adsorption chromatography and to study fondamental mecanisms intervening during fractionations. In this work, we have shown the utility of the extrography to determine the origins of the studied products. We have also precised some relations between physico chemical properties and thermal behaviour. We have thus proposed a general methodology allowing to value a method of fractionnation by its selectivity and its utility. The thermal behaviour of high residues has been studied by thermogravimetric analysis and pyro oxydant analysis. By making the synthesis of the whole previous results, we have developped a general methodology allowing to approach systematically the problem of the valorisation of high residues : "the global approach". This method has been successfully applied on four petroleum residues and allowed us to foresee the use of a petroleum residue on condition of treatments of thermal maturation (to improve its aromaticity) as mesogenic product
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Michel Swistek. Caractérisation et valorisation de résidus hydrocarbones lourds charbonniers et pétroliers. Autre. Université Paul Verlaine - Metz, 1992. Français. ⟨NNT : 1992METZ009S⟩. ⟨tel-01775967⟩

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