Phase Equilibrium Measurements and Modeling of 1-propanethiol + 1-butanethiol + CH4 in Methane + Water Ternary Systems at 303, 336, and 365 K and Pressure Up to 9 MPa

Javeed A. Awan 1 Christophe Coquelet 2 Ioannis Tsivintzelis 3 Georgios M. Kontogeorgis 3
1 University of the Punjab
2 CTP - Centre Thermodynamique des Procédés
3 Center for Energy Resources Engineering
Abstract : New vapor-liquid equilibrium (VLE) data for 1-propanethiol + 1-butanethiol + CH4 ternary system is reported. Measurements were performed at three different temperatures (303, 336 and 368 K), while the pressure was ranged from1 to 9 MPa. The total system pressure was maintained by CH4. The inlet mole fraction of 1-propanethiol (x = 5.43  10-1) and 1n-butanethiol (x = 4.56  10-1) in the liquid phase were same in all experiments. A static analytic method was used for performing phase equilibrium measurements. The new VLE data have been modeled successfully with Cubic-Plus-Association (CPA) EoS.
Keywords : phase equilibria CPA EoS thiols (mercaptan) removal static analytic method
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Javeed A. Awan, Christophe Coquelet, Ioannis Tsivintzelis, Georgios M. Kontogeorgis. Phase Equilibrium Measurements and Modeling of 1-propanethiol + 1-butanethiol + CH4 in Methane + Water Ternary Systems at 303, 336, and 365 K and Pressure Up to 9 MPa. Journal of Chemical and Engineering Data, American Chemical Society, 2016, 61, pp.41-44. ⟨10.1021/acs.jced.5b00134⟩. ⟨hal-01258498⟩

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