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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
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- Li, Hailong (author)
- KTH,Energiprocesser,Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology
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- Yan, Jinyue (author)
- Mälardalens högskola,KTH,Energiprocesser,Akademin för hållbar samhälls- och teknikutveckling
- (creator_code:org_t)
- Elsevier BV, 2009
- 2009
- English.
- In: Applied Energy. - : Elsevier BV. - 0306-2619 .- 1872-9118. ; 86:12, s. 2760-2770
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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, At and N-2, 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, k(ij) was calibrated for all of the EOS regarding the gas and liquid phases of all the studied binary CO2 mixtures, respectively.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Keyword
- CO2 capture and storage
- Volume
- Cubic equation of state
- Binary
- interaction parameter
- Impurity
- CO2 mixtures
- vapor-liquid-equilibrium
- gaseous-mixtures
- cubic equations
- systems
- behavior
- Chemical engineering
- Kemiteknik
- Energy- and Environmental Engineering
Publication and Content Type
- ref (subject category)
- art (subject category)
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