Authors: S. S. L. Peppin
A theory of tracer diffusion in hard-sphere suspensions is developed by using irreversible thermodynamics to obtain a colloidal version of the Kedem-Katchalsky equations. Onsager reciprocity yields relationships between the cross diffusion coefficients of the particles and the reflection coefficient of the colloidal suspension. The theory is illustrated by modelling a self-forming colloidal membrane that filters tracer impurities from the pore fluid.
Comments: 23 Pages.
[v1] 2017-07-25 11:42:59
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