Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Measurement and modeling of epicatechin solubility in supercritical carbon dioxide fluid

Soetaredjo, F. E.[Felycia Edi], Ismadji, S.[Suryadi], Ju, Y.-H.[Yi-Hsu]
Fluid Phase Equilib. 2013, 340, 7-10
ABSTRACT
The experimental equilibrium solubility of epicatechin in supercritical carbon dioxide was measured at several temperatures (313.15, 323.15, 333.15 and 343.15 K) and pressure in the range of 12 26 MPa. The solubilities of epicatechin in supercritical CO2 increased with pressure and temperature. The effect of increasing temperature on the solubility is more significant at high pressure than low pressure. The experimental data were fitted very well by three density-based models of Chrastil, del Valle and Aguilera and the model of Mendez-Santiago and Teja. Reasonable fitting parameters of the models were obtained.
Compounds
# Formula Name
1 C15H14O6 cis-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
2 CO2 carbon dioxide
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
  • 2
  • 1
  • Mole fraction - 1 ; Fluid (supercritical or subcritical phases)
  • Pressure, kPa; Fluid (supercritical or subcritical phases)
  • Temperature, K; Fluid (supercritical or subcritical phases)
  • Fluid (supercritical or subcritical phases)
  • Crystal - 1
  • Chromatography
  • 60