Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

The influence of temperature on the liquid liquid solid equilibria of the ternary system water + ethanol + 1-dodecanol

Boluda, N., Gomis, V.[Vicente], Ruiz, F.[Francisco], Bailador, H.
Fluid Phase Equilib. 2005, 235, 1, 99-103
ABSTRACT
The process of recovery by liquid.liquid extraction of ethanol manufactured in a fermentation process could be improved by using solvents as 1-dodecanol that have a good separation factor. In this work, liquid.liquid equilibrium data for the ternary system water.ethanol.1-dodecanol have been determined experimentally at 5, 8, 15, 23 and 30 .C. The results show different shapes of the equilibrium diagrams depending on the temperature. A region with three phases (liquid.liquid.solid) appears in the temperature range between 8 and 23 .C. The lowest temperature at which a water.ethanol.dodecanol mixture cannot be split in two liquid phases has been determined as 8 .C.
Compounds
# Formula Name
1 H2O water
2 C2H6O ethanol
3 C12H26O dodecan-1-ol
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
  • 3
  • Mole fraction - 2 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 3
  • Titration method
  • 3
  • POMD
  • 2
  • 3
  • 1
  • Mole fraction - 2 ; Liquid mixture 1
  • Temperature, K; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Crystal - 3
  • Liquid mixture 2
  • Titration method
  • 3
  • POMD
  • 2
  • 3
  • 1
  • Mole fraction - 2 ; Liquid mixture 2
  • Temperature, K; Liquid mixture 2
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 2
  • Crystal - 3
  • Liquid mixture 1
  • Titration method
  • 3
  • POMD
  • 2
  • 3
  • 1
  • Mole fraction - 1 ; Liquid mixture 1
  • Temperature, K; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • Crystal - 3
  • Titration method
  • 3
  • POMD
  • 2
  • 3
  • 1
  • Mole fraction - 1 ; Liquid mixture 2
  • Temperature, K; Liquid mixture 2
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 2
  • Liquid mixture 1
  • Crystal - 3
  • Titration method
  • 3
  • POMD
  • 2
  • 3
  • 1
  • Mole fraction - 2 ; Liquid mixture 1
  • Temperature, K; Liquid mixture 1
  • Mole fraction - 1; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • Titration method
  • 68
  • POMD
  • 2
  • 3
  • 1
  • Mole fraction - 2 ; Liquid mixture 1
  • Mole fraction - 1 ; Liquid mixture 2
  • Mole fraction - 2 ; Liquid mixture 2
  • Temperature, K; Liquid mixture 1
  • Mole fraction - 1; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • Index of refraction calibration data
  • Index of refraction calibration data
  • Index of refraction calibration data
  • 14