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A four parameter Pitzer-curl type correlatıon of second virial coefficients
Date
1988-3
Author
Orbey, Hasan
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The Pitzer-Curl ( 1957) correlation of second virial coefficients is slightly modified to accommodate high temperature data ( TT4 4.0) of He and H2 and extended successfully to “ nonstandard” fluids as defined by Tarakad and Danner (1977), by introducing a fourth parameter per compound. The new version improves results at the high temperature limit while it gives comparable results with the previous versions presented by Pitzer and Curl ( 1957) and Tsonopoulos ( 1974) at lower temperatures. The present approach enhances the applicability of the method for polar and associating compounds by introducing a correcting term for 129 such fluids. The extension of the correlation to mixtures requires an additional parameter per binary. Successful results were obtained for thirty nine binary systems investigated in this work
Subject Keywords
General Chemistry
,
General Chemical Engineering
URI
https://hdl.handle.net/11511/51970
Journal
Chemical Engineering Communications
DOI
https://doi.org/10.1080/00986448808940239
Collections
Department of Chemistry, Article