Mechanism of reduction of nitrogen oxides with propene in excess oxygen catalyzed by bifunctional catalysts

Mechanism of reduction of nitrogen oxides with propene in excess oxygen catalyzed by bifunctional... HC-SCR (selective reduction of nitrogen oxide by hydrocarbon) and our view on its reaction mechanism are briefly described, and then our attempts in the last few years to design catalysts based on the concept of bifunctional catalysis for HC-SCR are reviewed. The example chosen is the NO-C3H6-O2-H2O reaction catalyzed by mechanical mixtures of transition metal oxides (e.g., Mn2O3) and metal-loaded ZSM-5 zeolites. The synergistic effect of two components was explained based on a reaction mechanism comprising NO oxidation, oxidative decomposition of the products of NO2-C3H6 reactions and polymerization of (or carbon deposition from) C3H6. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Mechanism of reduction of nitrogen oxides with propene in excess oxygen catalyzed by bifunctional catalysts

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Publisher
Springer Netherlands
Copyright
Copyright © 1998 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856798X00717
Publisher site
See Article on Publisher Site

Abstract

HC-SCR (selective reduction of nitrogen oxide by hydrocarbon) and our view on its reaction mechanism are briefly described, and then our attempts in the last few years to design catalysts based on the concept of bifunctional catalysis for HC-SCR are reviewed. The example chosen is the NO-C3H6-O2-H2O reaction catalyzed by mechanical mixtures of transition metal oxides (e.g., Mn2O3) and metal-loaded ZSM-5 zeolites. The synergistic effect of two components was explained based on a reaction mechanism comprising NO oxidation, oxidative decomposition of the products of NO2-C3H6 reactions and polymerization of (or carbon deposition from) C3H6.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 14, 2009

References

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