Formal Theory of Diffusion through Membranes

  • R. M. Barrer
Part of the Polymer Science and Technology book series (PST, volume 6)


Membranes find application in various separations — by dialysis, electrodialysis, ultrafiltration and reverse osmosis. Two large scale separations of gas and vapour mixtures have so far been developed: the preparation of ultrapure hydrogen by permeation through Ag-Pd; and the separation of uranium isotopes using UF6 and porous septa. At present large scale separations of gases with polymer membranes have not been developed, despite the collection of much basic information. It is the purpose of this communication to outline several advances in the formal treatment of diffusion in membranes. These developments can apply to homogeneous polymeric membranes, polymer-filler composites, laminates and microporous membranes.


Spherical Shell Reverse Flow Hollow Cylinder Microporous Membrane Uranium Isotope 
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Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • R. M. Barrer
    • 1
  1. 1.Physical Chemistry Laboratories Chemistry DepartmentImperial CollegeLondonEngland

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