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Abstract Viscosities of aqueous solutions of 4 amines aimed at CO 2 capture by absorption were measured in the temperature range 20–80 ° C and for the whole range of… Click to show full abstract
Abstract Viscosities of aqueous solutions of 4 amines aimed at CO 2 capture by absorption were measured in the temperature range 20–80 ° C and for the whole range of compositions. In addition, measurements for loaded solutions up to 1 mol CO 2 /mole amine for three of the amines systems were also performed. The data were, when possible, compared to literature data and good agreement was found. Both the unloaded and loaded data were modeled using the NRTL-DVIS correlation. The model was able, in both cases, to accurately represent the experimental data except for the 17.9 wt.% MAPA loaded system. The average deviations, calculated as AARD between experimental and predicted values, were for all other cases within 5–6%.
Journal Title: Chemical Engineering Science
Year Published: 2017
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