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Vapour-liquid equilibria of the CH 4 + CO 2 + H 2 S ternary system with two different global compositions: experiments and modelling

Abstract : The vapor-liquid equilibrium for two mixtures containing methane, carbon dioxide and hydrogen sulphide was determined experimentally by a static-analytic method. Thirty-one data points were acquired for a range of temperatures from 243 K to 333 K at pressures up to 11 MPa. The measured data were correlated with the Peng Robinson equation of state (EoS) and different mixing rules, which led to the conclusion that a cubic EoS could simultaneously predict the existence of a 3-phase region and 2 critical points on the constant-composition two-phase boundary curve.
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Submitted on : Friday, April 10, 2020 - 5:43:37 PM
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Pascal Théveneau, Xiaochun Xu, Olivier Baudouin, Jean-Noël Jaubert, Paola Ceragioli, et al.. Vapour-liquid equilibria of the CH 4 + CO 2 + H 2 S ternary system with two different global compositions: experiments and modelling. Journal of Chemical and Engineering Data, American Chemical Society, 2020, 65 (4), pp.1802-1813. ⟨10.1021/acs.jced.9b01082⟩. ⟨hal-02540209⟩

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