Vapour Liquid Equilibrium in Asymmetric Mixtures of n-Alkanes with Ethane

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Turkish Journal of Chemistry
Volume:26 Issue:4
Vapour Liquid Equilibrium in Asymmetric Mixtures of n-Alkanes with Ethane

Vapour Liquid Equilibrium in Asymmetric Mixtures of n-Alkanes with Ethane

Authors : Anca DUTA

Pages : 481-490

View : 18 | Download : 10

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The paper presents a vapour liquid equilibria study in binary mixtures of n-alkanes with high dimensional asymmetry. Each mixture contains ethane and alkanes higher than eicosane. Calculations were done using two equations of state, Peng-Robinson insert ignore into journalissuearticles values(PR); and Soave insert ignore into journalissuearticles values(SRK);, in combination with van der Waals mixing rules, corrected with two interaction parameters. A limited temperature dependence of the interaction parameters was found. The correlations between the interaction parameters and the number of carbon atoms of the higher n-alkane led to equations valid for systems ethane + C3 up to C44. The results of the prediction calculations were good, both with PR and SRK.
Keywords : Vapour liquid equilibrium, Interaction parameters, Asymmetric mixtures

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