Abstract

A Model of general use for the interpretation of mass transport within emulsion drops in liquid surfactant membrane processes is presented. This model is focused on the mass transfer rate at the internal surfaces around encapsulated droplets inside the drops, which can be enhanced by a fast chemical reaction. Since the mass transfer rate at the internal boundaries is a major rate controlling step in the emulsion-type membranes, both the diffusivity of permeating species and the internal mass transfer rate are simultaneously considered as rate determining parameters in the model. The model predictions are compared with the experimental results for an aniline separation process.

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