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Phase equilibria for the oxygen-water system up to elevated temperatures and pressures
LuleƄ University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-0200-9960
Nanjing University of Chemical Technology.
2004 (English)In: Fluid Phase Equilibria, ISSN 0378-3812, E-ISSN 1879-0224, Vol. 222-223, p. 39-47Article in journal (Refereed) Published
Abstract [en]

A new thermodynamic model was presented to calculate the phase equilibria for the oxygen-water system. The modified Redlich-Kwong equation of state with a new correlated cross-interaction parameter was used to calculate fugacity coefficients for the vapor phase. The dissolved oxygen followed Henry's law. A new expression was correlated from the experimental data to calculate Henry's constant of oxygen. The calculated results of equilibrium composition were compared with the available experimental data and those calculated by other models with different parameters. The comparison revealed that the new model is suitable for calculating both liquid and vapor compositions while the empirical method is only suitable for estimating the liquid composition. Furthermore, compared to the model proposed by Rebenovich and Beketov, the calculated results of the vapor composition with the new model are better.

Place, publisher, year, edition, pages
2004. Vol. 222-223, p. 39-47
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-11993DOI: 10.1016/j.fluid.2004.06.029Local ID: b0d341d0-c1e8-11db-9ea3-000ea68e967bOAI: oai:DiVA.org:ltu-11993DiVA, id: diva2:984943
Note
Validerad; 2004; Bibliografisk uppgift: Proceedings of the Fifteenth Symposium on Thermophysical Properties, Boulder, Colorado, U.S.A., June 22-27, 2003 Thermophysical Properties. Symposium No 15, Golden, CO, USA 2004, vol. 222-23, pp. 39-47; 20070122 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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