Bulg. J. Phys. vol.24 no.1-2 (1997), pp. 017-025


Estimation of Diffusion Membranes Applicability to the Separation of Gas Mixtures

J.K. Georgiev
Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd, 1784 Sofia, Bulgaria
Abstract. Starting from Fick's equation for the penetration of gases in solids certain analytical expressions are obtained and a method is proposed for deter? mining (appraising) the applicability of diffusion through solid membranes in a specific case as well as for the choice of an optimal membrane for the separation of a given mixture.

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