ABSTRACT

Densities of the binary and ternary systems formed by mixtures of diethanolamine (DEA) + water, DEA + methanol (MeOH), DEA + ethanol (EtOH) and DEA + MeOH + water, DEA + EtOH + water were measured at atmospheric pressure for the whole composition range at temperatures from 278.15 K to 353.15 K using an Anton Paar digital vibrating U-tube densimeter (model DMA 5000 M). The excess molar volumes have been calculated from the experimental densities in this work and correlated using the Redlich-Kister equation. A set of parameters for the Redlich-Kister equation has been determined to represent the density of the liquid mixture. Keywords: Density, Diethanolamine, Methanol, Ethanol, Excess molar volume

Compounds

#	Formula	Name
1	C4H11NO2	diethanolamine
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	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	10
POMD	2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	6
POMD	3	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	9
POMD	4	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	8
POMD	1 4	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mass fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	112
POMD	2 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mass fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	72
POMD	3 1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mass fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	108
POMD	2 1 4	Mass density, kg/m3 ; Liquid	Mass fraction - 2; Liquid Mass fraction - 1; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	101
POMD	3 1 4	Mass density, kg/m3 ; Liquid	Mass fraction - 1; Liquid Mass fraction - 3; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	153

Thermodynamics Research Center / ThermoML | Thermochimica Acta

Densities and Excess Molar Volumes for Binary Mixtures of Diethanolamine with Water, Methanol, Ethanol and Ternary Solutions of Diethanolamine + Water with Methanol, Ethanol at Atmospheric Pressure from 278.15 to 353.15 K

Yang, F., Wang, X.[Xiaopo], Liu, Z.[Zhigang]

ABSTRACT