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Etude analytique des brais de pyrolyse du charbon et du pétrole : caractérisation-comportement thermique

Abstract : Coal or petroleum pitches produced by high and low temperature pyrolysis have been characterized by means of chromatographic and spectroscopic analysis. By application of extrograpy, a sample of pitch (30-60g) is separated into 4 fractions corresponding to specific classes of compounds. It has been shown that this method allows a rapid characterization of the two samples according to their origin (HT or LT pitches from coal or petroleum). The thermal behaviour of a whole pitch and of the corresponding fraction are studied. On the one hand at 350-400 and 450 °C and on the other hand at 1000 °C, their influence on the structure and on the microtexture of the obtained cokes are discussed
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  • HAL Id : tel-01775751, version 1

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Makita Kangato Alula. Etude analytique des brais de pyrolyse du charbon et du pétrole : caractérisation-comportement thermique. Génie chimique. Université Paul Verlaine - Metz, 1988. Français. ⟨NNT : 1988METZ008S⟩. ⟨tel-01775751⟩

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