NMR evidence on the role of diffusion in zeolite catalysis

H. Ernst, S. Ernst, J. Kärger, T. Röser, H. B. Schwarz, R. Q. Snurr, J. Weitkamp

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Pulsed field gradient (PFG) NMR is shown to provide direct information about the various modes of molecular propagation in zeolite catalysts. By introducing a generalized Thiele modulus, the effectiveness factors of a catalytic reaction for different modes of molecular propagation can be directly compared with one another. Examples elucidating the potential of PFG NMR to contribute to a better understanding of the intrinsic processes during catalytic reactions are given.

Original languageEnglish (US)
Pages (from-to)748-755
Number of pages8
JournalStudies in Surface Science and Catalysis
Issue numberC
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry


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