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Quantitative interpretation of phase volume behavior of multicomponent systems near critical points

✍ Scribed by Paul D. Fleming III; James E. Vinatieri

Publisher: American Institute of Chemical Engineers
Year: 1979
Tongue: English
Weight: 852 KB
Volume: 25
Category: Article
ISSN: 0001-1541
DOI: 10.1002/aic.690250315

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✦ Synopsis

Abstract

Equations describing phase volumes in multicomponent, multiphase systems in the neighborhood of critical points are derived to aid in the location of such critical points. The theory is in good agreement with experiments for three ternary systems and four surfactant systems of the type used for tertiary oil recovery.

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## Abstract Liquid‐liquid demixing of polydisperse polymer systems is described by volume balance equations relating the phase volume ratio to the bulk concentration of a polymer and its equilibrium concentrations. It is shown that in a system of a solvent and a polydisperse polymer, cloud‐point an