Volume 34, Issue 2 pp. 587-592
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Concentration dependence of solvent self-diffusion coefficients

J. S. Vrentas

J. S. Vrentas

Department of Chemical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802

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C.-H. Chu

C.-H. Chu

Department of Chemical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802

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First published: 5 August 1987
Citations: 3

Abstract

The concentration dependence of solvent self-diffusion coefficients is examined near the pure solvent limit. It is shown that it is possible to explain an apparently anomalous concentration dependence for the solvent self-diffusion coefficient at high penetrant mass fractions within the framework of the free-volume theory of transport.

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