Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Phase Behavior of (1-Alkyl-3-methyl Imidazolium Tetrafluoroborate + 6-(Hydroxymethyl)oxane-2,3,4,5-tetrol + Water)

Chen, Y.[Yuhuan], Zhang, S.[Suojiang]
J. Chem. Eng. Data 2010, 55, 1, 278-282
ABSTRACT
Phase behavior of 1-alkyl-3-methyl imidazolium tetrafluoroborate ([Cnmim][BF4], n = 2 to 10), 6-(hydroxymethyl)oxane-2,3,4,5-tetrol and water has been determined at temperatures in the range of (242.15 to 308.15) K. Binodal curves, tie-lines, and the slope of the tie-line (STL) for [C3mim][BF4]/[C4mim][BF4] + glucose + H2O systems were obtained at different temperatures of T = (278.15, 288.15, 298.15, and 308.15) K. Results show that, as the temperature decreases, the two-phase area expands and the STL increases. Binodal curves were correlated using an empirical equation, and tie-lines were correlated according to the Othmer-Tobias and Bancroft equations. These equations satisfactorily represented the experimental data. The molecular structure is used as an argument to describe the phase-forming mechanism.
Compounds
# Formula Name
1 H2O water
2 C6H12O6 D-glucose
3 C7H13BF4N2 1-propyl-3-methylimidazolium tetrafluoroborate
4 C8H15BF4N2 1-butyl-3-methylimidazolium tetrafluoroborate
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
  • Mass fraction - 2 ; Liquid mixture 1
  • Mass fraction - 3 ; Liquid mixture 2
  • Mass fraction - 2 ; Liquid mixture 2
  • Temperature, K; Liquid mixture 1
  • Mass fraction - 3; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 1
  • Liquid mixture 2
  • Chromatography
  • Chromatography
  • Chromatography
  • 19
  • POMD
  • 2
  • 1
  • 3
  • Mass fraction - 3 ; Liquid mixture 1
  • Temperature, K; Liquid mixture 1
  • Mass fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • Chromatography
  • 42
  • POMD
  • 2
  • 1
  • 4
  • Mass fraction - 2 ; Liquid mixture 1
  • Mass fraction - 4 ; Liquid mixture 2
  • Mass fraction - 2 ; Liquid mixture 2
  • Temperature, K; Liquid mixture 2
  • Mass fraction - 4; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 1
  • Liquid mixture 2
  • Chromatography
  • Chromatography
  • Chromatography
  • 23
  • POMD
  • 2
  • 1
  • 4
  • Mass fraction - 4 ; Liquid mixture 1
  • Temperature, K; Liquid mixture 1
  • Mass fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • Chromatography
  • 84