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Modeling of CO2 Removal From Gas Mixture by 2-amino-2-methyl-1-propanol (AMP) Using the Deshmakh-Mather Model

This work presents an experimental and theoretical investigation of CO2 absorption into aqueous of 2-amino-2-methyl-1-propanol (AMP). The solubility of CO2 in AMP solution has been measured at temperature range of 293, 303, 313, and 323 K. The amine concentration ranges studied are 2.0, 2.8, and 3.4 M. A solubility apparatus was used to measure the solubility of CO2 in AMP solution on samples of flue gases from thermal and central power plants of Esfahan Steel Company. The Deshmakh-Mather model was used to correlate and predict the vapor-liquid equilibria of the (CO2 + AMP + H2O) system. Data on CO2 loading in aqueous solutions of AMP were fitted to generate the different interaction parameters required to calculate the activity coefficients in the model. The model predicted results are in good agreement with the experimental vapor-liquid equilibrium measurements.