Experimental determination of the critical loci for R-23 + (n-propane or n-hexane) and R-116 + n-propane binary mixtures

Abstract : Isothermal VLE for the R-23 + n-propane system was measured using a static-analytic apparatus at temperatures between T = (293.18 and 353.15) K. The critical loci for the systems R-23 + (n-propane or n-hexane) and R-116 + n-propane were measured using a critical point determination apparatus. The method of Ungerer et al. was used to extrapolate the isothermal VLE data to the isothermal critical locus. These extrapolated critical loci were compared with experimental data. The Redlich-Kister type correlations were used to correlate the critical loci of the systems. A critical locus curve for the R-23 + n-hexane system which was calculated by the method of Heidemann and Khalil was compared with the experimental critical loci. The systems were classified according to the van Konynenburg and Scott classification system.
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Mark D. Williams-Wynn, Jamal El Abbadi, Alain Valtz, Elodie Kovacs, Céline Houriez, et al.. Experimental determination of the critical loci for R-23 + (n-propane or n-hexane) and R-116 + n-propane binary mixtures. Journal of Chemical Thermodynamics, Elsevier, 2017, 108, pp.84-96. ⟨10.1016/j.JCT.2016.12.021⟩. ⟨hal-01460064⟩

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