| Summary: | 碩士 === 中原大學 === 化學工程學系 === 87 === The equilibrium solubility of acidic gas (CO2) in aqueous MDEA（N-methyldiethanolamine）solutions have been measured at temperature 40, 60, 80 and 100 . The partial pressure of acid gas (CO2) is ranged from 1.0 KPa to 200 KPa . The systems selected for this study are four amines solutions cosisting of 20, 30, 40 and 50 wt% MDEA. The solubility model of Hu and Chakma (1990 a,b), fixed term by Li and Shen (1993) has been used to represent the data. The model reproduces reasonably the equilibrium partial pressure of CO-2- above the solutions for the systems tested.
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