Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Solubility of carbon dioxide in methanol from 213.15 K to 273.15 K: Measurement and modeling

Lyu, Z.[Zhixin], Ma, H.[Hongfang], Zhang, H.[Haitao], Ying, W.[Weiyong]
Fluid Phase Equilib. 2018, 471, 40-54
ABSTRACT
The isothermal solubility data of carbon dioxide in methanol were measured at temperatures from 213.15 K to 273.15 K and pressures from vacuum up to 3.3450 MPa. The experimental method was a static analytical method with liquid sampling using a heated sample cylinder coupled to a gas chromatograph for analysis. The SRK EOS with the vdW one-fluid mixing rule was used to describe the equilibrium behavior of the vapor phase in the system for carbon dioxide + methanol binary mixture. The equilibrium behavior of the liquid phase was described by the NRTL activity coefficient model. The binary VLE data were correlated with the SRK-vdW-NRTL model. The binary interaction parameters were evaluated and used to predict the VLE. The results indicate that the model not only matches well with the VLE data of the system but also predicts optimally from 213.15 K to 273.15 K.
Compounds
# Formula Name
1 CO2 carbon dioxide
2 CH4O methanol
Datasets
The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type Compound-# Property Variable Constraint Phase Method #Points
  • POMD
  • 1
  • 2
  • Vapor or sublimation pressure, kPa ; Gas
  • Temperature, K; Liquid
  • Mole fraction - 1; Liquid
  • Gas
  • Liquid
  • Closed cell (Static) method
  • 37