For 5.0, 20.5, 50.0, and 75.0 mass % methyldiethanolamine (MDEA) aqueo
us solutions, solubilities of CO2 were measured at 323.15, 348.15, and
313.15 K, respectively. Isothermal absorption capacities of CO2 as a
function of MDEA concentration are presented. Lastly, the absorption e
nthalpy of CO2 in 50.0 mass % MDEA solution was calculated to be 54 kJ
.mol(-1) CO2.