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Vapor-liquid equilibria of carbon dioxide+n-propanol at elevated pressure

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Abstract

High-pressure vapor-liquid equilibrium data were measured for the binary mixtures of CO2+n-propanol at various isotherms (313.15–343.15 K). The vapor and liquid compositions and pressures were measured in a circulation-type apparatus. To facilitate easy equilibration, both vapor and liquid phases were circulated separately in the experimental apparatus and the equilibrium composition was analyzed by an on-line gas chromatograph. The experimental data were compared with literature results and correlated with the Peng-Robinson (PR) equations of state using the Wong-Sandler mixing rules. Calculated results with PR EOS showed good agreement with our experimental data.

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Authors and Affiliations

  1. Department of Chemical and Biomolecular Engineering, Sogang University, P.O. Box 1142, Seoul, Korea

    Jun-Hyuk Yim, Youn Geun Jung & Jong Sung Lim

Authors
  1. Jun-Hyuk Yim
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  2. Youn Geun Jung
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  3. Jong Sung Lim
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Correspondence to Jong Sung Lim.

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Yim, JH., Jung, Y.G. & Lim, J.S. Vapor-liquid equilibria of carbon dioxide+n-propanol at elevated pressure. Korean J. Chem. Eng. 27, 284–288 (2010). https://doi.org/10.1007/s11814-009-0342-0

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  • DOI: https://doi.org/10.1007/s11814-009-0342-0

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