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

Isothermal Vapor-Liquid Equilibria of Binary Mixtures of Nitrogen with Dimethyl Sulfoxide, N-Methyl-2-pyrrolidone, and Diethylene Glycol Monobutyl Ether at Elevated Pressures

Weng, W. L.[Wen-Lu], Chen, J. -T.[Jui-Tang], Yang, J.-W.[Jei-Wai]
J. Chem. Eng. Data 2007, 52, 2, 511-516
ABSTRACT
High-pressure vapor-liquid phase equilibrium (P, x, y) were measured for the binary systems of nitrogen + dimethyl sulfoxide, nitrogen + N-methyl-2-pyrrolidone, and nitrogen + diethylene glycol monobutyl ether over a temperature rage between (323.15 and 393.15) K. In addition to the new data, the Soave-Redlich-Kwong, Peng-Robinson, and Patel-Teja equations of state accompanied by several types of mixing rule were also used to correlate these vapor-liquid phase behaviors. In general, the Patel-Teja equation incorporated with mixing rule-C (linear temperature-dependent combining rule for aij) yielded the best representation.
Compounds
# Formula Name
1 C2H6OS dimethyl sulfoxide
2 N2 nitrogen
3 C5H9NO N-methylpyrrolidone
4 C8H18O3 3,6-dioxa-1-decanol
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
  • 2
  • Mole fraction - 1 ; Gas
  • Temperature, K; Gas
  • Pressure, kPa; Gas
  • Gas
  • Liquid
  • sample volume
  • 24
  • POMD
  • 1
  • 2
  • Mole fraction - 2 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • sample volume
  • 24
  • POMD
  • 3
  • 2
  • Mole fraction - 3 ; Gas
  • Temperature, K; Gas
  • Pressure, kPa; Gas
  • Gas
  • Liquid
  • sample volume
  • 24
  • POMD
  • 3
  • 2
  • Mole fraction - 2 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • sample volume
  • 24
  • POMD
  • 4
  • 2
  • Mole fraction - 4 ; Gas
  • Temperature, K; Gas
  • Pressure, kPa; Gas
  • Gas
  • Liquid
  • sample volume
  • 24
  • POMD
  • 4
  • 2
  • Mole fraction - 2 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Gas
  • sample volume
  • 24