Abstract
AbstractThe extension of the Enskog theory by Tham and Gubbins for the calculation of diffusivities is applied to the prediction of infinite dilution diffusion coefficients in binary organic systems. The resulting expression is a function only of the size and mass of the diffusing species. Excellent agreement is obtained for nonassociating n‐alkane mixtures as well as for associated systems. Extension of the expression to alcohol and aqueous systems is shown to require Only an empirical correction factor. It is also shown that the quantity Dij∞ ηj Mj/ρjT is independent of temperature for all systems.
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