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VLE Determination of Carbon Dioxide Loaded Aqueous Alkanolamine Mixtures Using Modified Kent Eisenberg Model
A computationally simple thermodynamic framework has been presented to correlate the vapour-liquid equilibria of carbon dioxide absorption in five representative types of alkanolamine mixtures. The proposed model is an extension of modified Kent Eisenberg model for the carbon dioxide loaded aqueous alkanolamine mixtures. The model parameters are regressed on a large experimental data pool of carbon dioxide solubility in aqueous alkanolamine mixtures. The model is applicable to a wide range of temperature (298-393 K), pressure (0.1-6000 kPa) and alkanolamine concentration (0.3-5 M). The correlated results are compared to the experimental values and found to be in good agreement with the average deviations ranging between 6 and 20. The model results are comparable to other thermodynamic models. © 2017 Walter de Gruyter GmbH, Berlin/Boston.
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