MULTIPHASE BEHAVIOR IN TERNARY MIXTURES OF ELEVATED PRESSURES.

J. R. DiAndreth, M. E. Paulaitis

Research output: Contribution to journalConference articlepeer-review

Abstract

Separations using supercritical or near-critical fluids as solvents are frequently carried out in the presence of water. Extraction of products from fermentation broths, tertiary oil recovery by CO//2 flooding, and supercritical-fluid chromatography are examples of separations in which water can be present. The authors present the results of an investigation of fluid phase equilibria at elevated pressures for the system isopropanol-water-CO//2. These results include measured equilibrium compositions for two, three, and four coexisting fluid phases over a range of temperatures and pressures in the vicinity of the critical point of CO//2. A computer simulation of the phase equilibria for this three-component system is also presented.

Original languageEnglish (US)
Pages (from-to)57-61
Number of pages5
JournalACS Division of Fuel Chemistry, Preprints
Volume30
Issue number3
StatePublished - Dec 1 1985
Externally publishedYes

ASJC Scopus subject areas

  • Energy(all)

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