CORRELATION OF VAPOR-LIQUID EQUILIBRIA FOR SYSTEMS CONTAINING A POLAR COMPONENT BY THE BWR EQUATION

1 January 1973

journal article
Published by Taylor & Francis in JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Vol. 6 (1) , 10-17
https://doi.org/10.1252/jcej.6.10

Abstract

The BWR equation was applied to correlate the vapor-liquid equilibria of the polar-nonpolar systems. Polar components studied were Freon-22, hydrogen sulfide and ammonia. The vapor-liquid equilibrium data were cited from the literature, except for the Freon-22 mixtures whose data were obtained by a static method in this paper. The BWR constants also were taken from the literature, but those of Freon-22 were determined from the principle of corresponding states and of ammonia from the P-V-T data. By introducing the interaction parameter into the constant, A₀, the BWR equation was shown to be successful for correlating the vapor-liquid equilibria of the polar-nonpolar systems. The characteristics of the parameter were discussed based on the concept of intermolecular potential between unlike molecules.

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