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Impacts of equations of state (EOS) and impurities on the volume calculation of CO2 mixtures in the applications of CO2 capture and storage (CCS) processes
Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology.ORCID iD: 0000-0002-6279-4446
Mälardalen University, School of Sustainable Development of Society and Technology.ORCID iD: 0000-0003-0300-0762
2009 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 86, no 12, p. 2760-2770Article in journal (Refereed) Published
Abstract [en]

Volume property is the necessary thermodynamic property in the design and operation of the CO2 capture and storage system (CCS). Because of their simple structures, cubic equations of state (EOS) are preferable to be applied in predicting volumes for engineering applications. This paper evaluates the reliabilities of seven cubic EOS, including PR, PT, RK, SRK, MPR, MSRK and ISRK for predicting volumes of binary CO2 mixtures containing CH4, H2S, SO2, Ar and N2, based on the comparisons with the collected experimental data. Results show that for calculations on the volume properties of binary CO2 mixtures, PR and PT are generally superior to others for all of the studied mixtures. In addition, it was found that the binary interaction parameter has clear effects on the calculating accuracy of an EOS in the volume calculations of CO2 mixtures. In order to improve the accuracy, kij was calibrated for all of the EOS regarding the gas and liquid phases of all the studied binary CO2 mixtures, respectively

Place, publisher, year, edition, pages
Elsevier , 2009. Vol. 86, no 12, p. 2760-2770
Keywords [en]
CO2 capture and storage; Volume; Cubic equation of state; Binary interaction parameter; Impurity; CO2 mixtures
National Category
Engineering and Technology
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-7532DOI: 10.1016/j.apenergy.2009.04.013ISI: 000270120000025Scopus ID: 2-s2.0-68849105338OAI: oai:DiVA.org:mdh-7532DiVA, id: diva2:277629
Available from: 2009-11-19 Created: 2009-11-19 Last updated: 2017-12-12Bibliographically approved

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Publisher's full textScopushttp://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V1T-4WBY579-2&_user=651553&_coverDate=12%2F31%2F2009&_alid=1100748285&_rdoc=1&_fmt=high&_orig=search&_cdi=5683&_sort=r&_docanchor=&view=c&_ct=542&_acct=C000035198&_version=1&_urlVersion=0&_userid=651553&md5=6bcef7f1c89dcade8c004c2d03768fc2

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Li, HailongYan, Jinyue

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