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Prediction of molar volume and partial molar volume for CO2/ionic liquid systems with heterosegmented statistical associating fluid theory
LuleƄ University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
Soft Materials Laboratory, Department of Chemical and Petroleum Engineering, University of Wyoming.
2012 (English)In: Fluid Phase Equilibria, ISSN 0378-3812, E-ISSN 1879-0224, Vol. 315, 53-63 p.Article in journal (Refereed) Published
Abstract [en]

To design ionic liquids (ILs) as effective liquid absorbents for CO2 separation from flue or synthesis gases, it is necessary to know the properties and phase equilibria of the CO2-IL systems. The molar volumes of CO2/IL mixtures are predicted with the heterosegmented statistical associating fluid theory equation of state. The comparison with the available experimental data shows that the model can be used to predict reliably the molar volumes of CO2/IL mixtures from 293 to 413 K and pressures up to 160 bar. In addition, the partial molar volume of CO2 in CO2/IL mixtures and the partial molar volume of CO2 at infinite dilution in an IL are also predicted.

Place, publisher, year, edition, pages
2012. Vol. 315, 53-63 p.
Research subject
Energy Engineering
URN: urn:nbn:se:ltu:diva-9493DOI: 10.1016/j.fluid.2011.11.014Local ID: 823e9e55-7063-4901-9ce1-806a295ab6a6OAI: diva2:982431
International Conference on Properties and Phase Equilibria for Product and Process Design : 16/05/2010 - 21/05/2010
Validerad; 2012; 20111124 (andbra)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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