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Issue
Korean Journal of Chemical Engineering,
Vol.27, No.1, 261-266, 2010
High pressure isothermal vapor-liquid equilibria of carbon dioxide+1,1-difluoroethane
Kang JW, Kim AR, Lim JS
Vapor-liquid equilibrium data for the binary mixture of carbon dioxide (CO2)+1,1-difluoroethane (HFC-152a) were measured at five evenly spaced temperatures of (273.15, 283.15, 293.15, 303.15 and 313.15) K by using a circulation-type equilibrium apparatus in which both vapor and liquid phases were recirculated. The experimental data were correlated with the Peng-Robinson equation of state (PR-EoS) using the Wong-Sandler mixing rules combined with the NRTL excess Gibbs free energy model and the Carnahan-Starling-DeSantis equation of state (CSD EoS). Almost all the calculated values with these two models showed good agreement with the experimental data.
Keywords: Carbon Dioxide (CO2); HFC-152a; Vapor-liquid Equilibria (VLE); Carnahan-Staring-DeSantis Equation of State (CSD EoS); Peng-Robinson Equation of State (PR EoS)
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[Cited By]
  1. Lee MH, Yim JH, Lim JS, Korean Journal of Chemical Engineering, 29(10), 1418, 2012
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