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

Experimental Isobaric Vapor Liquid Equilibrium for Binary Systems Diethylene Glycol Dibenzoate + Diethylene Glycol, Diethylene Glycol Dibenzoate + Octyl Benzoate, and Ternary System Diethylene Glycol Dibenzoate + Diethylene Glycol + Octyl Benzoate at 1.0152 kPa

Li, Lu, Wu, Qiujie, Wu, Kuanhuai, Wang, Haitao, Zheng, Yanmei, Li, Qingbiao
J. Chem. Eng. Data 2018, 63, 10, 3823-3828
ABSTRACT
Diethylene glycol dibenzoate (DEDB) is nowadays considered as one of the most promising environment-friendly plasticizers. Isobaric vapor-liquid equilibrium (VLE) data were measured for the binary systems diethylene glycol dibenzoate (DEDB) (1) + diethylene glycol (2), DEDB (1) + octyl benzoate (2) and ternary system DEDB (1) + diethylene glycol (2) + octyl benzoate (3) at 1.0152 kPa using a modified Othmer still, which enriched the basic data for DEDB. The UNIFAC model, Wilson model and NRTL model were used to predict the VLE data of the binary and ternary systems. The comparison reveals that on average the most accurate VLE predictions are obtained with the NRTL model.
Compounds
# Formula Name
1 C4H10O3 diethylene glycol
2 C15H22O2 octyl benzoate
3 C18H18O5 diethylene glycol dibenzoate
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
  • 3
  • Vapor or sublimation pressure, kPa ; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Gas
  • Ebulliometric method (Recirculating still)
  • 1
  • POMD
  • 3
  • 1
  • Boiling temperature at pressure P, K ; Liquid
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • Ebulliometric method (Recirculating still)
  • 11
  • POMD
  • 3
  • 1
  • Mole fraction - 3 ; Gas
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Gas
  • Liquid
  • Chromatography
  • 11
  • POMD
  • 3
  • 2
  • Boiling temperature at pressure P, K ; Liquid
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • Ebulliometric method (Recirculating still)
  • 11
  • POMD
  • 3
  • 2
  • Mole fraction - 3 ; Gas
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Gas
  • Liquid
  • Chromatography
  • 11
  • POMD
  • 3
  • 1
  • 2
  • Mole fraction - 1 ; Liquid
  • Mole fraction - 1 ; Gas
  • Mole fraction - 3 ; Gas
  • Temperature, K; Liquid
  • Mole fraction - 3; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • Chromatography
  • Chromatography
  • Chromatography
  • 18