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Issue
Korean Journal of Chemical Engineering,
Vol.26, No.6, 1754-1758, 2009
High-pressure vapor-liquid equilibrium measurement for the binary mixtures of carbon dioxide+n-butanol
Lim JS, Yoon CH, Yoo KP
High-pressure vapor-liquid equilibrium data for the binary mixtures of CO2+n-butanol were measured at various isotherms of (313.15, 323.15, 333.15 and 343.15) K, respectively. The equilibrium compositions of vapor and liquid phases and pressures at each temperature were measured in a circulation-type equilibrium 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 the PR EOS showed good agreement with our experimental data.
Keywords: High-pressure VLE; Carbon Dioxide; n-Butanol; Peng-Robinson Equation of State; Wong-Sandler Mixing Rule; SCORR
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[Cited By]
  1. Baniasadi M, Ghader S, Hashemipour H, Korean Journal of Chemical Engineering, 28(3), 939, 2011
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