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PVTxy properties of CO2 mixtures relevant for CO2 capture, transport and storage: Review of available experimental data and theoretical models
Mälardalen University, School of Sustainable Development of Society and Technology. (Energy Technology)ORCID iD: 0000-0002-6279-4446
SINTEF Energy.
SINTEF Energy.
Mälardalen University, School of Sustainable Development of Society and Technology. (Energy Technology)ORCID iD: 0000-0003-0300-0762
2011 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 88, no 11, 3567-3579 p.Article in journal (Refereed) Published
Abstract [en]

The knowledge about pressure–volume–temperature–composition (PVTxy) properties plays an importantrole in the design and operation of many processes involved in CO2 capture and storage (CCS) systems.A literature survey was conducted on both the available experimental data and the theoreticalmodels associated with the thermodynamic properties of CO2 mixtures within the operation windowof CCS. Some gaps were identified between available experimental data and requirements of the systemdesign and operation. The major concerns are: for the vapour–liquid equilibrium, there are no data aboutCO2/COS and few data about the CO2/N2O4 mixture. For the volume property, there are no publishedexperimental data for CO2/O2, CO2/CO, CO2/N2O4, CO2/COS and CO2/NH3 and the liquid volume of CO2/H2. The experimental data available for multi-component CO2 mixtures are also scarce. Many equationsof state are available for thermodynamic calculations of CO2 mixtures. The cubic equations of state havethe simplest structure and are capable of giving reasonable results for the PVTxy properties. More complexequations of state such as Lee–Kesler, SAFT and GERG typically give better results for the volumeproperty, but not necessarily for the vapour–liquid equilibrium. None of the equations of state evaluatedin the literature show any clear advantage in CCS applications for the calculation of all PVTxy properties.A reference equation of state for CCS should, thus, be a future goal.

Place, publisher, year, edition, pages
2011. Vol. 88, no 11, 3567-3579 p.
Keyword [en]
CO2 mixtures, Thermodynamic property, VLE, density, Equation of state, CO2 capture and storage
National Category
Chemical Engineering
Research subject
Energy- and Environmental Engineering
URN: urn:nbn:se:mdh:diva-13347DOI: 10.1016/j.apenergy.2011.03.052ISI: 000293195500002ScopusID: 2-s2.0-79959825045OAI: diva2:459567

NOTICE: this is the author’s version of a work that was accepted for publication in Applied Energy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Energy, [VOL 88, ISSUE 11, 2011]

Available from: 2011-11-28 Created: 2011-11-26 Last updated: 2014-06-19Bibliographically approved

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Li, HailongYan, Jinyue
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