Robustness of methane diffusion in geometrically restricted molecular sieve pores

Sriram S. Nivarthi, H. Ted Davis, Alon V. McCormick

Research output: Contribution to journalConference articlepeer-review

Abstract

NMR measurements of sorbate mobility in zeolites are especially attractive because of their capability of measuring multicomponent and anisotropic self-diffusion. We have recently reported the application of the pulsed field gradient NMR technique using very large zeolite crystals to study how easily methane can diffuse when we attempt to slow its migration by crowding the pore space. Here we analyze the implications of these PFG NMR experiments involving (i) ethylene blocking of methane in zeolite NaY; and (ii) methane molecules trying to pass one another in the molecular sieve AlPO4-5.

Original languageEnglish (US)
Pages (from-to)207-212
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume366
StatePublished - Jan 1 1995
EventProceedings of the 1994 MRS Fall Meeting - Boston, MA, USA
Duration: Nov 28 1994Nov 30 1994

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