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

Citation Formats

H. Orbey, “A four parameter Pitzer-curl type correlatıon of second virial coefficients,” Chemical Engineering Communications, vol. 65, no. 1, pp. 1–19, 1988, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/51970.