Vapor−Liquid Equilibrium Data for Binary Systems Consisting of Either Hexafluoropropene (HFP) or 2,2,3-Trifluoro-3-(trifluoromethyl)oxirane (HFPO) with Carbon Dioxide (R-744) or 2,2-Dichloro-1,1,1-trifluoroethane (R-123) - Mines Paris Accéder directement au contenu
Article Dans Une Revue Journal of Chemical and Engineering Data Année : 2011

Vapor−Liquid Equilibrium Data for Binary Systems Consisting of Either Hexafluoropropene (HFP) or 2,2,3-Trifluoro-3-(trifluoromethyl)oxirane (HFPO) with Carbon Dioxide (R-744) or 2,2-Dichloro-1,1,1-trifluoroethane (R-123)

Résumé

Isothermal vapor-liquid equilibrium (VLE) data for the binary systems R-744 + HFP and R-744 + HFPO were measured at (273.15 and 313.15) K and pressures up to 5.6 MPa. Measurements were also undertaken for the HFP + R-123 and HFPO + R-123 systems at (313.15 and 333.15) K and pressures up to 1.5 MPa. The VLE data were measured via the “static-analytic” method using a fixed-volume equilibrium cell equipped with a pneumatic ROLSI sampler. The measured data have maximum uncertainties of 0.045 K and 0.003 MPa in temperature and pressure, respectively, while the relative uncertainties in the equilibrium phase analyses are within 1 % for the molar compositions. The experimental data were correlated using the Peng-Robinson equation of state with the Mathias-Copeman R function and the Wong-Sandler mixing rules incorporating the NRTL activity coefficient model.
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Dates et versions

hal-00573512 , version 1 (04-03-2011)

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M. Nelson W., C. Subramoney S., Alain Valtz, Christophe Coquelet, Dominique Richon, et al.. Vapor−Liquid Equilibrium Data for Binary Systems Consisting of Either Hexafluoropropene (HFP) or 2,2,3-Trifluoro-3-(trifluoromethyl)oxirane (HFPO) with Carbon Dioxide (R-744) or 2,2-Dichloro-1,1,1-trifluoroethane (R-123). Journal of Chemical and Engineering Data, 2011, 56, pp.74-78. ⟨10.1021/je100841y⟩. ⟨hal-00573512⟩
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