Abstract
An apparatus based on the “static-analytic” method was designed and commissioned. The apparatus was tested by measuring vapour-liquid equilibrium data for the binary system of carbon dioxide + chlorodifluoromethane at 273.15 K. There is excellent agreement between the experimental data and previous measurements reported in the literature. New experimental vapour-liquid equilibrium data were also measured for the binary systems of ethylene + chlorodifluoromethane at five temperatures, viz. (273.15, 293.15, 313.15, 333.15, and 353.15) K. At the same temperatures (excluding 273.15 K) the critical points of the binary mixtures were also experimentally determined. The experimental data for this binary system were accurately correlated using the Peng–Robinson Equation of State utilizing the Wong–Sandler mixing rule coupled with the Non-Random Two-Liquid (NRTL) activity coefficient model.
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