Molecular sieving effect of the zeolite-filled silicone rubber membranes in gas permeation

Mengdong Jia*, Klaus-Victor Georg Peinemann, Rolf Dieter Behling

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

236 Scopus citations

Abstract

Composite membranes, consisting of a highly hydrophobic zeolite, silicalite-1, and PDMS polymer were prepared. Distinct gas permeation effects have been found for these membrane types. A new parameter, the facilitation ratio of zeolite, was introduced to characterize the function of silicalite in the membrane. Using this parameter it was confirmed that silicalite played an important role in the molecular transport and that the altered permeabilities and selectivities were a result of the molecular sieving effect of the silicalite.

Original languageEnglish (US)
Pages (from-to)289-292
Number of pages4
JournalJournal of Membrane Science
Volume57
Issue number2-3
DOIs
StatePublished - Apr 15 1991

Keywords

  • composite membrane
  • facilitated transport
  • gas separations
  • polydimethylsiloxane membrane
  • zeolite

ASJC Scopus subject areas

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

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