Measurement of Heat of CO2 Absorption into 2-Amino-2-methyl-1-propanol (AMP)/Piperazine (PZ) Blends Using Differential Reaction Calorimeter

In this work, a Differential Reaction Calorimeter (DRC) was used to measure differential heats of CO2 absorption into aqueous solutions of 2-amino-2-methyl-1-propanol (AMP) + piperazine (PZ) blend. The measurement was carried out at 40, 60, and 80 °C, and at CO2 loading ranging from nil to CO2 saturation. The AMP/PZ molar ratios of 2:1, 4:1, and 6:1 were tested. Effects of reaction temperature, CO2 loading, and molar ratio were analyzed according to reaction mechanism.