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The desorption of O2 during NO and N2O decomposition on Cu- and Fe-zeolites

The desorption of O2 during NO and N2O decomposition on Cu- and Fe-zeolites The decomposition of NO and of N2O over a CuZSM-5 zeolite and a Fe-mordenite, respectively, has been studied using tracer techniques. The results demonstrate the high mobility of the lattice oxygen ions in self-diffusion. They afford a possible explanation for the problem of how two extralattice oxygens located at positions remote from each other may combine to form the O2 molecules which are spontaneously desorbed in these redox reactions. They show that a portion of the lattice oxygen mixes into the O2 released on decomposition. The data also show that N18O and N2 18O undergo exchange with the catalyst oxygen under reaction conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Catalysis Letters Springer Journals

The desorption of O2 during NO and N2O decomposition on Cu- and Fe-zeolites

Valyon, Jozsef; Millman, W.; Hall, W.
Catalysis Letters , Volume 24 (4) – Nov 29, 2004
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References (13)

Publisher
Springer Journals
Copyright
Copyright
Subject
Chemistry; Catalysis; Industrial Chemistry/Chemical Engineering; Organometallic Chemistry; Physical Chemistry
ISSN
1011-372X
eISSN
1572-879X
DOI
10.1007/BF00811794
Publisher site
See Article on Publisher Site

Abstract

The decomposition of NO and of N2O over a CuZSM-5 zeolite and a Fe-mordenite, respectively, has been studied using tracer techniques. The results demonstrate the high mobility of the lattice oxygen ions in self-diffusion. They afford a possible explanation for the problem of how two extralattice oxygens located at positions remote from each other may combine to form the O2 molecules which are spontaneously desorbed in these redox reactions. They show that a portion of the lattice oxygen mixes into the O2 released on decomposition. The data also show that N18O and N2 18O undergo exchange with the catalyst oxygen under reaction conditions.

Journal

Catalysis Letters – Springer Journals

Published: Nov 29, 2004

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