Abstract
AbstractInformation on acid gas solubility in solvents utilized is needed for the design of gas plants. A mathematical model for the prediction of equilibrium solubility of CO2 and H2S in aqueous 2‐amino‐2‐(ethoxy)ethanol (DGA) solutions is presented. The equilibrium constants, K1 and K2, representing a simple proton transfer reaction and the carbamate formation reaction, respectively, were found to be functions of temperature and free acid gas concentration. In addition, K2, was affected by DGA concentration as well. Model predictions agree favourably with experimental data.
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