PREDICTING AND CORRELATING CRITICAL LOCUS OF BINARY MIXTURES BASED ON THE SHORT-CUT METHOD OF REDLICH-KISTER

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Abstract
The short-cut method of Redlich-Kister was applied to determine the critical locus of forty binary mixtures by adopting the BWR equation which was used to calculate the limiting slopes. This method was shown to be very useful for both critical temperatures and pressures. When critical volumes of components concerned are greatly different, the discrepancy between prediction and experiment becomes significant for critical pressures. In this case, the extent of agreement was successfully improved by introducing the correction factor, m, into the BWR equation.

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