Correlation of Sulubilities in Supercritical Fluids and Entrainer Effect Using Equation of State - Examination of Mixing Rules

Yoshio Iwai, Hiroshi Yamamoto, Yasuhiko Arai, Benjamin C.Y. Lu

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The cubic equation of state having three constants, recently proposed by Yu et al., was applied to correlate the solubilities of solid components in supercritical fluids and the entrainer effect on solubilities. Three kinds of mixing rules for the constants (conventional mixing rules with one binary interaction parameter, those with two parameters, and local composition mixing rules) were adopted here and their applicabilities were examined. The solubilities and the entrainer effect can be successfully correlated by using the conventional mixing rules with two parameters and the local composition mixing rules with two parameters. However, it should be noted that the conventional mixing rules with two parameters give the best results for the system of which the solubility is very small near infinite dilution.

Original languageEnglish
Pages (from-to)676-681
Number of pages6
Journalkagaku kogaku ronbunshu
Volume15
Issue number3
DOIs
Publication statusPublished - Jan 1 1989

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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