Experimental and modelling study of the densities of the hydrogen sulphide + methane mixtures at 253, 273 and 293 K and pressures up to 30 MPa

Alfonso González Pérez, Alain Valtz, Christophe Coquelet, Patrice Paricaud, Antonin Chapoy

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Abstract

Densities of three binary mixtures of hydrogen sulphide and methane (xH2S + (1-x) CH4), with mole fractions of 0.1315, 0.1803 and 0.2860 of acid gas, were determined experimentally at three temperatures (253, 273 and 293) K and at pressures up to 30 MPa. Densities were measured continuously using a high temperature and high pressure Vibrating Tube densitometer (VTD), Anton Paar DMA 512. The SAFT-VR Mie, PR and GERG2008 equations of state (EoS) are used to describe the experimental data with different levels of success.
Original languageEnglish
Pages (from-to)371–383
Number of pages13
JournalFluid Phase Equilibria
Volume427
Early online date3 Aug 2016
DOIs
Publication statusPublished - 15 Nov 2016

Keywords

  • CH4
  • H2S
  • Acid gas injection
  • Thermophysical properties

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