ABSTRACT

Densities and dynamic viscosities in liquid solutions of monoethanolamine (MEA), water, and carbon dioxide (CO2) have been measured. The mass fraction of MEA in water was (20, 30, and 40) %, and CO2 loading was between (0 and 0.5) mol CO2 per mole MEA; the temperature was varied between (25 and 80) deg C. These measurements were compared with literature data of solutions without CO2 and with data for CO2 loaded solutions primarily at 25 deg C. The results show that the densities and viscosities increase significantly with increasing CO2 loading at all temperatures. The measured data for the ternary system were compared with available density and viscosity correlations from Weiland et al. J. Chem. Eng. Data 1998, 43, 378-382. Agreement between the measurements and the Weiland correlations was satisfactory. The deviation increases with increased MEA concentration, CO2 loading, and temperature.

Compounds

#	Formula	Name
1	C2H7NO	2-aminoethan-1-ol
2	H2O	water
3	CO2	carbon dioxide

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	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Capillary tube (Ostwald; Ubbelohde) method	5
POMD	1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	1 2	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Capillary tube (Ostwald; Ubbelohde) method	30
POMD	1 2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	30
POMD	3 1 2	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid Mole fraction - 3; Liquid Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Capillary tube (Ostwald; Ubbelohde) method	110
POMD	3 1 2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 3; Liquid Mole fraction - 1; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	103

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

Density and Viscosity of Monoethanolamine + Water + Carbon Dioxide from (25 to 80) deg C

Amundsen, T. G.[Trine G.], Oi, L. E.[Lars E.], Eimer, D. A.[Dag A.]

ABSTRACT