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Language: English

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received March 30, 2006
Accepted August 28, 2006

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Prediction of VLE data for alternative refrigerant mixtures

Y. Sawjanya Yarlanki Chalapati Rao^†

Department of Chemical Engineering, Bapatla Engineering College, Bapatla-522101, India

Korean Journal of Chemical Engineering, January 2007, 24(1), 106-112(7), 10.1007/s11814-007-5018-z

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Abstract

The inevitability of a disaster associated with the depletion of the ozone layer led to the decision to phase out conventional chlorine containing refrigerants and their mixtures. This necessitates the use of non-chlorine substances as refrigerants. In the present work, three different types of mixing rules, namely (i) the classical van der Waals one fluid mixing rule, (ii) the composition dependent mixing rules of the Margules type, and (iii) the conformal solution van der Waals mixing rules are used with the Peng-Robinson (PR) equation of state, to predict the VLE data of 27 alternative refrigerant mixtures, and the results are compared with the experimental data. It is found that the compositiondependent mixing rule coupled with the PR equation of state is quite suitable for predicting the VLE data.

Keywords

VLE Data Alternative Refrigerant Mixtures PR Equation of State Mixing Rules Optimum Binary Interaction Parameters

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