ABSTRACT

Vapor liquid equilibrium (VLE) data were measured using a static total pressure apparatus for binary pairs of 2-methylpropane (isobutane) + methanol, + 2-propanol, + 2-butanol, and + 2-methyl-2-propanol (TBA) at 364.51 K. The measured T, p, z data were fitted with Legendre polynomials and reduced by using the method of Barker to obtain the phase equilibrium data. In addition to Legendre polynomials, Wilson binary interaction parameters for the activity coefficient model were regressed. Azeotropic behavior was observed for the binary 2-methylpropane (1) + methanol (x1 = 0.871, p = 1822 kPa).

Compounds

#	Formula	Name
1	C4H10	2-methylpropane
2	CH4O	methanol
3	C3H8O	propan-2-ol
4	C4H10O	butan-2-ol
5	C4H10O	2-methylpropan-2-ol

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	Ebulliometric method (Recirculating still)	4
POMD	2	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	3	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	4	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	5	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	3 1	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 1; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	27
POMD	1 4	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 1; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	27
POMD	2 1	Azeotropic pressure, kPa ; Liquid	Temperature, K; Liquid	Liquid Gas	By P(X) extreme	1
POMD	2 1	Azeotropic composition: mole fraction - 1 ; Liquid	Temperature, K; Liquid	Liquid Gas	By T or P extreme	1
POMD	2 1	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 1; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	27
POMD	1 5	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 1; Liquid	Liquid Gas	Ebulliometric method (Recirculating still)	27

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

Vapor Liquid Equilibrium for the Systems 2-Methylpropane + Methanol, + 2-Propanol, + 2-Butanol, and + 2-Methyl-2-propanol at 364.5 K

Laavi, H.[Helena], Uusi-Kyyny, P.[Petri], Pokki, J. -P.[Juha-Pekka], Pakkanen, M.[Minna], Alopeaus, V.[Ville]

ABSTRACT