Membranes containing selective flakes

E. L. Cussler

Research output: Contribution to journalArticlepeer-review

91 Scopus citations


Polymer membranes containing selectively permeable flakes will show selective fluxes. If the flakes are highly selective, the relative fluxes will be proportional to the square root of the inherent selectivity. If the flakes are modestly selective, the relative fluxes may approach this more modest value. Achieving this selectivity requires carefully adjusting the diffusion coefficient in the polymer continuum to the geometric average of the diffusion coefficients in flakes times the aspect ratio of the flakes. These results are compared with other theories of composite membranes.

Original languageEnglish (US)
Pages (from-to)275-288
Number of pages14
JournalJournal of Membrane Science
Issue number3
StatePublished - Sep 15 1990

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