Single-component Mass Transfer in a Cosurfactant-water-surfactant System

Abstract

A mass transfer system has been designed to allow transport of only one component and over small changes in concentration. One of the phases was always lamellar liquid crystals, the other was micellar or its inverse structure. It can be argued that the kinetics of phase transformation at the interphase would be important in such systems; in fact, the measurements of individual phase volumes show overshoots that are not explained by classical mass transfer mechanisms. It is suggested that the intermediate structures that are formed during transport are not thermodynamically favored, and consequently the condition of local equilibrium does not hold. Using developments for such systems in diffusion in polymers, the breakdown of local equilibrium has been shown to be adequate in explaining the observations qualitatively. a parallel development for adsorption has not been undertaken.

Department(s)

Chemistry

Second Department

Chemical and Biochemical Engineering

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1989 Wiley-Blackwell, All rights reserved.

Publication Date

01 Oct 1989

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