Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Measurement and correlation of liquid-liquid equilibrium for the ternary system 2,2,3,3,4,4,5,5-octafluoro-1-pentanol + methanol + water at (298.15, 308.15, and 318.15) K

Xu, D.[Dongmei], Zhang, L.[Lianzheng], Gao, J.[Jun], Zhang, Z.[Zhishan], Cui, Z.[Zhifang]
Fluid Phase Equilib. 2016, 409, 377-382
ABSTRACT
Ternary liquid-liquid equilibrium (LLE) data of 2,2,3,3,4,4,5,5-octafluoro-1-pentanol + methanol + water were measured at (298.15, 308.15, and 318.15) K under atmospheric pressure. Both the Bachman and the Hand equations were applied to check the reliability of the tie-line data, and their correlation coefficient were all close to 1. Meanwhile, the nonrandom two-liquid (NRTL) activity coefficient model was applied to correlate the experimental data, which the results showed good agreement with the measured LLE data, and the binary interaction parameters were regressed. In addition, the distribution coefficients and separation factors were determined by using the experimental data and discussed in detail.
Compounds
# Formula Name
1 C5H4F8O 2,2,3,3,4,4,5,5-octafluoro-1-pentanol
2 CH4O methanol
3 H2O water
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
  • 3
  • Mole fraction - 1 ; Liquid mixture 1
  • Mole fraction - 2 ; Liquid mixture 2
  • Mole fraction - 1 ; Liquid mixture 2
  • Temperature, K; Liquid mixture 2
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 1
  • Liquid mixture 2
  • Chromatography
  • Chromatography
  • Chromatography
  • 32