ABSTRACT

Vapor-liquid equilibrium data have been measured for the ethylene + hexane system between temperatures of (390 to 510) K and pressures up to 10 MPa. The bubble and dew point pressures of ethylene + hexane samples with fixed compositions were measured using the Cailletet apparatus. The critical points of ethylene + hexane mixtures were also measured experimentally. The experimental data were correlated with the modified Sanchez-Lacombe (MSL) equation of state. The experimental data are also compared with the predictions of the Peng-Robinson (PR) and Soave-Redlich-Kwong (SRK) equations of state using the binary interaction parameter obtained in the MSL correlation. The three equations of state produce comparable qualitative representations of the experimental phase boundaries.

Compounds

#	Formula	Name
1	C2H4	ethene
2	C6H14	hexane

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	Critical pressure, kPa ; Liquid	Mole fraction - 1; Liquid	Liquid Gas	Direct measurement	6
POMD	1 2	Critical temperature, K ; Liquid	Mole fraction - 1; Liquid	Liquid Gas	Visual observation in a stirred cell	6
POMD	1 2	Vapor or sublimation pressure, kPa ; Gas	Mole fraction - 1; Gas Temperature, K; Gas	Gas Liquid	Closed cell (Static) method	17
POMD	1 2	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 1; Liquid Temperature, K; Liquid	Liquid Gas	Closed cell (Static) method	99

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

Vapor-Liquid Equilibrium Data for the Ethylene + Hexane System

Nagy, I.[Istvan], Krenz, R. A.[Ryan A.], Heidemann, R. A.[Robert A.], de Loos, T. W.[Theo W.]

ABSTRACT