High pressure isothermal vapor-liquid equilibria of carbon dioxide+1,1-difluoroethane

被引：0
|
作者：
Jeong Won Kang
Ah Ram Kim
Jong Sung Lim
机构：
[1] Sogang University,Department of Chemical and Biomolecular Engineering
来源：
Korean Journal of Chemical Engineering | 2010年 / 27卷
关键词：
Carbon Dioxide (CO; ); HFC-152a; Vapor-liquid Equilibria (VLE); Carnahan-Staring-DeSantis Equation of State (CSD EoS); Peng-Robinson Equation of State (PR EoS);
D O I：
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中图分类号：
学科分类号：
摘要：
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.
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页码：261 / 266
页数：5
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