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- W2046473106 abstract "The Topological Treatment of mixtures is applied to several kinds of binary mixtures to obtain VLE diagrams. The excess Gibbs free energy, gE, is calculated as the product of a topological vector and an information vector. The pure compound topological description were obtained following the DARC system rules. A weighting function was introduced to obtain the topological description of a mixture. The information vector is calculated from experimental data. It is shown that for binary mixtures alcohol-alkane, the components of this vector varies linearly with the average number of carbon atoms of chemical compounds. This relationship allows prediction of the VLE diagram for any other system of the family. The results obtained are in good agreement with literature data. On a appliqué le traitement topologique des mélanges, à plusieurs types de mélanges binaires dans le but d'obtenir des diagrammes d'équilibre liquide-vapeur. On a calculé l'énergie libre de Gibbs d'excès (gE) comme le produit d'un vecteur topologique et d'un vecteur d'information. On a obtenu la description topologique de composés purs en suivant les règles du système DARC. On a introduit une fonction de pondération pour obtenir la description topologique d'un mélange. On a calculé le vecteur d'information à partir des résultats expérimentaux. On indique que, pour les mélanges binaires alcool-alcane, les composantes de ce vecteur varient linéairement avec le nombre moyen d'atomes de carbone des composés chimiques; cette relation permet de prévoir le diagramme d'équilibre liquide-vapeur pour n'importe quel autre système du méme groupe. Les résultats obtenus concordent bien avec les données de la littérature" @default.
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- W2046473106 date "1983-10-01" @default.
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- W2046473106 title "Vapor-liquid equilibrium calculations using the topological treatment of mixtures" @default.
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- W2046473106 doi "https://doi.org/10.1002/cjce.5450610517" @default.
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