ABSTRACT

An accurate thermodynamic model of CO2/toluene and C2H6/toluene systems is required to improve the design of industrial processes including separation, supercritical extraction, and fine particle production. We present new sets of experimental solubility data for CO2 (298.15 = T =363.15 K and P = 5.1 MPa) and C2H6 (294.15 = T =363.15 K and P = 3.65 MPa) in toluene as well as the corresponding liquid phase densities. The Peng Robinson equation of state/excess Gibbs free energy model (PR-EoS/GE) is applied to represent the experimental data over a wide range of temperatures and pressures. Our results show acceptable agreement between the experimental and calculated solubility and density data. The presented experimental data and thermodynamic model will find applications in the design of separation, extraction, and fine particle production processes.

Compounds

#	Formula	Name
1	C7H8	toluene
2	CO2	carbon dioxide
3	C2H6	ethane

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	Phase	Method	#Points
POMD	1 2	Mole fraction - 2 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid Gas	Gravimetric	28
POMD	1 2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid Gas	Vibrating tube method	28
POMD	3 1	Mole fraction - 3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid Gas	Gravimetric	18
POMD	3 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid Gas	Vibrating tube method	18

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

Measuring and Modeling the Solubility and Density for CO2 Toluene and C2H6 Toluene Systems

Zirrahi, M.[Mohsen], Azinfar, B.[Bahareh], Hassanzadeh, H.[Hassan], Abedi, J.[Jalal]

ABSTRACT