This work presents new experimental results for carbon dioxide (CO2) solubility in aqueous 2-amino-2- methyl-1-propanol (AMP) over the temperature range of (298 to 328) K and CO2 partial pressure of about (0.4 to 1500) kPa. The concentrations of the aqueous AMP lie within the range of (2.2 to 4.9) mol dm-3. A thermodynamic model based on electrolyte non-random two-liquid (eNRTL) theory has been developed to correlate and predict the (vapour + liquid) equilibrium (VLE) of CO2 in aqueous AMP. The model predictions have been in good agreement with the experimental data of CO2 solubility in aqueous blends of this work as well as those reported in the literature. The current model can also predict speciation, heat of absorption, enthalpy of CO2 loaded aqueous AMP, pH of the loaded solution, and AMP volatility.
Compounds
#
Formula
Name
1
CO2
carbon dioxide
2
C4H11NO
2-amino-2-methylpropan-1-ol
3
H2O
water
4
C4H11NO2
diethanolamine
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.