Solubility of carbon dioxide in aqueous solutions of diisopropanolamine and methyldiethanolamine |
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| Authors: | Claudia Dell&rsquo Era,Petri Uusi-Kyyny,Juha-Pekka PokkiMinna Pakkanen,Ville Alopaeus |
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| Affiliation: | Department of Biotechnology and Chemical Technology, Faculty of Chemistry and Materials Science, Aalto University School of Science and Technology (ASST), PL 16100, 00076 Aalto, Finland |
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| Abstract: | The solubility of carbon dioxide in aqueous solutions of alkanolamines was measured by means of two experimental methods. The solubility of carbon dioxide was measured at 298 K with a static total pressure apparatus in solutions of water + diisopropanolamine (DIPA) having mass fraction of DIPA equal to 10.1%, 11.0% and 33.9%. The density of the water + DIPA solution was measured continuously during the experiments to investigate the changes in density introduced by the absorption of carbon dioxide. A correlation for the density of CO2-loaded aqueous solutions of DIPA is presented. |
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| Keywords: | Carbon dioxide Solubility DIPA MDEA |
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