Separation of Hydrocarbons by Selective Permeation through Polymeric Membranes

  • Mort Fels
  • Norman N. Li
Part of the Polymer Science and Technology book series (PST, volume 6)


Polymer membranes have the unique ability to allow molecules to diffuse through them. Various factors determine the ability of a molecule to permeate through the membrane — both physical and chemical properties. This dependence of permeation rate on the large number of system properties imparts a unique separating ability to polymer membranes compared with other separation methods which depend on differences in relatively few properties.


Free Volume Electron Beam Welding Desorption Curve Separation Behavior Membrane Permeation 
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  1. 1.
    Rogers, C. E., Fels, M., and Li, N. N., “Separation by Permeation Through Polymer Membranes”, Chapter in Recent Developments in Separation Science, Vol 11 N. N. Li, ed., CRC Press, Cleveland, Ohio, 1972.Google Scholar
  2. 2.
    Recent Advances in Separation Technology Li, N. N., Fels, M., and Matulevicius, E. S., ed., AIChE Symposium Series 68 (120) (1972), “Permeation and Separation Behavior of Binary Organic Mixtures in Polyethylene”, Fels, M., p 49.Google Scholar
  3. 3.
    Li, N. N., “Membrane Separation”, U.S. Pat. 3,566,580 (March 2, 1971 ).Google Scholar

Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • Mort Fels
    • 1
  • Norman N. Li
    • 2
  1. 1.Lakehead UniversityThunder BayCanada
  2. 2.Esso Research and EngineeringLindenUSA

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