ABSTRACT

In this work, vapor liquid equilibria (VLE) data for the binary systems containing {water or methanol (1) + 1,3-propanediol (2)} are reported. All measurements were performed in the temperature range of (273.15-343.15 (or 363.15)) K over the whole composition range. The experimental data were correlated using the NRTL, UNIQUAC and Modified UNIFAC (Do) models. Additionally, the experimental measurements of densities and sound velocities were measured for binary systems (water or methanol or ethanol (1) + 1,3-propanediol (2)) at atmospheric pressure and at (283.15, 293.15, 303.15 and 313.15) K. The excess/deviation functions were calculated and correlated using the Redlich-Kister polynomial equation.

Compounds

#	Formula	Name
1	C3H8O2	propan-1,3-diol
2	CH4O	methanol
3	C2H6O	ethanol
4	H2O	water

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	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	4
POMD	1	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	4
POMD	2	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	4
POMD	2	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	4
POMD	3	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	3	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	4
POMD	3	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	4
POMD	4	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	4	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	Closed cell (Static) method	10
POMD	1 4	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 4; Liquid		Liquid Gas	Closed cell (Static) method	90
POMD	1 4	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 4; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	44
POMD	1 4	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 4; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	44
POMD	2 1	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid Mole fraction - 2; Liquid		Liquid Gas	Closed cell (Static) method	40
POMD	2 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 2; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	84
POMD	2 1	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 2; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	84
POMD	3 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 3; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	84
POMD	3 1	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 3; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	84

Thermodynamics Research Center / ThermoML | Thermochimica Acta

Vapor-liquid equilibria, density and sound velocity measurements of (water or methanol or ethanol + 1,3-propanediol) binary systems at different temperatures

Zaoui-Djelloul-Daouadji, M.[Manel], Mokbel, I.[Ilham], Bahadur, I.[Indra], Negadi, A.[Amina], Jose, J.[Jacques], Ramjugernath, D.[Deresh], Ebenso, E. E.[Eno E.], Negadi, L.[Latifa]

ABSTRACT