Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Isobaric vapor liquid phase equilibria for the binary systems of tert-butanol + 2-ethyl-1-hexanol and n-butanol + 2-ethyl-1-hexanol

Ghanadzadeh, H., Ghanadzadeh, A., Sariri, R., Boshra, A.
Fluid Phase Equilib. 2005, 233, 2, 123-128
ABSTRACT
Isobaric vapor liquid equilibria for the binary mixtures of tert-butanol (TBA) + 2-ethyl-1-hexanol and n-butanol (NBA) + 2-ethyl-1-hexanol were experimentally investigated at atmospheric pressure in the temperature range of 353.2 458.2 K. The rawexperimental data were correlated using the UNIQUAC and NRTL models and used to estimate the interaction parameters between each pair of components in the systems. The experimental activity coefficients were obtained using the gas chromatographic method and compared with the calculated data obtained from these equilibrium models. The results show that UNIQUAC model gives better correlation than NRTL for these binary systems. The liquid liquid extraction of TBAfrom aqueous solution using 2-ethyl-1-hexanolwas demonstrated by simulation and the variation of separation factor of TBA at several temperatures was reported.
Compounds
# Formula Name
1 C8H18O 2-ethyl-1-hexanol
2 C4H10O butan-1-ol
3 C4H10O 2-methylpropan-2-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
  • 1
  • Boiling temperature at pressure P, K ; Liquid
  • Mole fraction - 2; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • EBULLIO:UFactor:64
  • 12
  • POMD
  • 2
  • 1
  • Mole fraction - 2 ; Gas
  • Mole fraction - 2; Liquid
  • Pressure, kPa; Liquid
  • Gas
  • Liquid
  • CHROM:UFactor:16
  • 12
  • POMD
  • 3
  • 1
  • Boiling temperature at pressure P, K ; Liquid
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • EBULLIO:UFactor:128
  • 16
  • POMD
  • 3
  • 1
  • Mole fraction - 3 ; Gas
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Gas
  • Liquid
  • CHROM:UFactor:16
  • 16