Letter | Published:

Separation of Gases by Flow under Pressure through Porous Membranes

Naturevolume 199pages590591 (1963) | Download Citation



THE separation of gases by permeation through membranes has been reviewed by several authors1–4. Since the observed separations do not always follow Graham's law, the mechanism is explained on the basis of solubility, diffusion and re-evaporation in the case of flow through ‘non-porous’ plastic films, and sorbed-flow through porous media.

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  1. 1

    Barrer, R. M., Diffusion In and Through Solids, Chaps. 9 and 10 (Camb. Univ. Press, London, 1951).

  2. 2

    Kammermeyer, K., Technique of Organic Chemistry, 3, Part 1, 37 (Interscience, New York, 1956).

  3. 3

    Choo, C. Y., Advances in Petroleum Chemistry and Refining, 6, Chapter 2 (Interscience, New York, 1962).

  4. 4

    Brown, W. E., and Tuwiner, S. B., Diffusion and Membrane Technology, Chap. 12 (Reinhold, New York, 1962).

  5. 5

    Sourirajan, S., Indust. Eng. Chem. Fundamentals, 2, 51 (1963).

  6. 6

    Brubaker, D. W., and Kammermeyer, K., Anal. Chem., 25, 424 (1953); Indust. Eng. Chem., 45, 1148 (1953).

  7. 7

    Van Amerongen, G. J., J. Polymer Sci., 5, 307 (1950).

  8. 8

    Weller, S., and Steiner, W. A., J. App. Phys., 21, 279 (1950).

  9. 9

    Brubaker, D. W., and Kammermeyer, K., Indust. Eng. Chem., 46, 733 (1954).

  10. 10

    Brubaker, D. W., and Kammermeyer, K., Proc. Conf. Nuclear Engineering, F9-F28 (Univ. California, Berkeley, 1953).

  11. 11

    Rutz, L. O., and Kammermeyer, K., AECU-3921 (1958), and AECU-4328 (1959), U.S. Atomic Energy Commission, Technical Information Service, Oak Ridge, Tenn.

  12. 12

    Kammermeyer, K., and Wyrick, D. D., Indust. Eng. Chem., 50, 1309 (1958).

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  1. Division of Applied Chemistry, National Research Council, Ottawa



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