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

Isothermal Vapor-Liquid Equilibria for the 2-Propanol + n-Heptane System near the Critical Region

Oh, B. C.[Byung Chul], Lee, S.[Sanghak], Seo, J.[Jungha], Kim, H.[Hwayong]
J. Chem. Eng. Data 2004, 49, 2, 221-223
ABSTRACT
P-T-x-y data for the binary system n-heptane + 2-propanol were measured near the critical temperatures (483.15, 498.15, 508.15, and 523.15) K using a two-phase recirculating apparutus. We observed critical points at 508.15 and 523.15 K. The experimental data were correlated by the Peng- Robinson-Stryjek-Vera (PRSV) equation of state combined with the NRTL model and the Wong-Sandler mixing rules. We also calculated the critical points and presented the critical locus.
Compounds
# Formula Name
1 C3H8O propan-2-ol
2 C7H16 heptane
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
  • 1
  • Critical pressure, kPa ; Liquid
  • Liquid
  • Gas
  • Direct measurement
  • 1
  • POMD
  • 1
  • Critical temperature, K ; Liquid
  • Liquid
  • Gas
  • Visual observation in a stirred cell
  • 1
  • POMD
  • 1
  • 2
  • Critical pressure, kPa ; Liquid
  • Mole fraction - 2; Liquid
  • Liquid
  • Gas
  • Direct measurement
  • 2
  • POMD
  • 1
  • 2
  • Critical temperature, K ; Liquid
  • Mole fraction - 2; Liquid
  • Liquid
  • Gas
  • Visual observation in a stirred cell
  • 2
  • POMD
  • 1
  • 2
  • Vapor or sublimation pressure, kPa ; Liquid
  • Mole fraction - 2; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Gas
  • EBULLIO:UFactor:16
  • 42
  • POMD
  • 1
  • 2
  • Mole fraction - 2 ; Gas
  • Mole fraction - 2; Liquid
  • Temperature, K; Gas
  • Gas
  • Liquid
  • CHROM:UFactor:8
  • 42