✦ LIBER ✦

Estimation of solubilities in supercritical carbon dioxide: A correlation for the peng-robinson interaction parameters

✍ Scribed by Keith D. Bartle; Anthony A. Clifford; Gavin F. Shilstone

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 489 KB
Volume: 5
Category: Article
ISSN: 0896-8446
DOI: 10.1016/0896-8446(92)90011-8

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✦ Synopsis

The isotherms of published solubilities of 19 compounds of varied chemical type in pure CO2 have been fitted to the Peng-Robinson equation-of-state using the binary interaction parameter as an adjustable variable. The parameters thus obtained at temperatures close to 308 K are found to be approximately correlated to a particular function of some of the physical properties of the solute and solvent. This allows rough estimates to be made of solubilities of compounds in supercritical CO2, where there are no published experimental measurements.

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