New isothermal vapor-liquid equilibria for the CO2 + n-nonane, and CO2 + n-undecane systems

Luis E. Camacho-Camacho, Luis A. Galicia-Luna, Octavio Elizalde-Solis, Zenaido Martínez-Ramírez

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Abstract

Experimental vapor-liquid equilibria (VLE) for the CO2 + n-nonane and CO2 + n-undecane systems were obtained by using a 100-cm3 high-pressure titanium cell up to 20 MPa at four temperatures (315, 344, 373, and 418 K). The apparatus is based on the static-analytic method; which allows fast determination of the coexistence curve. For the CO2 + n-nonane system, good agreement was found between the experimental data and those reported in literature. No literature data were available for the CO2 + n-undecane system at high temperature and pressure. Experimental data were correlated with the Peng-Robinson equation of state using the classical and the Wong-Sandler mixing rules.

Original languageEnglish
Pages (from-to)45-50
Number of pages6
JournalFluid Phase Equilibria
Volume259
Issue number1 SPEC. ISS.
DOIs
StatePublished - 1 Oct 2007
Externally publishedYes

Keywords

  • Equation of state
  • Static-analytic method
  • Vapor-liquid equilibria

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