Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

High pressure phase equilibrium of carbon dioxide and benzaldehyde binary system

Hou, Y.[Yucui], Tian, S.[Shidong], Lu, C.[Cheng], Sun, N.[Nannan], Wu, W.[Weize]
Fluid Phase Equilib. 2012, 325, 11-14
ABSTRACT
The high-pressure phase equilibria of carbon dioxide + benzaldehyde binary system were measured at temperatures from 298.55 to 345.15 K and pressures from 2.20 to 14.96 MPa. The experimental method used in this work was a static-analytical method with liquid and vapor phase sampling. The experimental results are discussed and compared with available literature data. The experimental data were correlated with the Peng-Robinson equation of state (PR EoS) using classical van der Waals (two-parameter conventional mixing rule) mixing rules, which could correlate well the binary phase behavior with an average absolute relative deviation of 3.4%.
Compounds
# Formula Name
1 CO2 carbon dioxide
2 C7H6O benzaldehyde
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
  • Critical pressure, kPa ; Liquid
  • Mole fraction - 1; Liquid
  • Liquid
  • Gas
  • Direct measurement
  • 1
  • POMD
  • 2
  • 1
  • Vapor or sublimation pressure, kPa ; Gas
  • Temperature, K; Gas
  • Mole fraction - 2; Gas
  • Gas
  • Liquid
  • Closed cell (Static) method
  • 36
  • POMD
  • 2
  • 1
  • Vapor or sublimation pressure, kPa ; Liquid
  • Temperature, K; Liquid
  • Mole fraction - 1; Liquid
  • Liquid
  • Gas
  • Closed cell (Static) method
  • 36