ABSTRACT

Isothermal vapor-liquid equilibria data for the binary mixture of difluoromethane (HFC-32) + propylene (R-1270) at five equally spaced temperatures between (273.15 and 313.15) K were measured by using a circulation-type equilibrium apparatus. The experimental data were correlated with the Peng-Robinson equation of state (PR-EOS) combined with the Wong-Sandler mixing rule. It is confirmed that the data calculated by this equation of state are in good agreement with experimental data. Azeotropes of this mixture were found experimentally for all of the temperatures studied here.

Compounds

#	Formula	Name
1	CH2F2	difluoromethane
2	C3H6	propene

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	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	EBULLIO:UFactor:8	5
POMD	2	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	EBULLIO:UFactor:8	5
POMD	1 2	Azeotropic composition: mole fraction - 1 ; Liquid	Temperature, K; Liquid	Liquid Gas	By X=Y	5
POMD	1 2	Azeotropic composition: mole fraction - 1 ; Liquid	Pressure, kPa; Liquid	Liquid Gas	By X=Y	5
POMD	1 2	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 1; Liquid Temperature, K; Liquid	Liquid Gas	EBULLIO:UFactor:8	90
POMD	1 2	Mole fraction - 1 ; Gas	Mole fraction - 1; Liquid Temperature, K; Liquid	Gas Liquid	CHROM:UFactor:4	90

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

Measurement of Vapor-Liquid Equilibria for the Binary Mixture Difluoromethane (HFC-32) + Propylene (R-1270)

Ho, Q. N. N.[Quang Nhu], Lee, B. G.[Byung Gwon], Lim, J. S.[Jong Sung], Yoo, K. S.[Kye Sang]

ABSTRACT