Gas-Phase Reduction of Oxides of Nitrogen with CO Catalyzed by Atomic Transition-Metal Cations

A novel catalytic role for transition‐metal cations in the homogeneous conversion of the nitrogen oxides NO2, NO, or N2O and CO into N2 and CO2 is demonstrated by thermodynamic and kinetic studies of gas‐phase reactions of 29 transition‐metal cations and some of their oxides (see scheme). Fe+, Os+,...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2003-10, Vol.42 (40), p.4923-4927
Main Authors: Blagojevic, Voislav, Jarvis, Michael J. Y., Flaim, Eric, Koyanagi, Gregory K., Lavrov, Vitali V., Bohme, Diethard K.
Format: Article
Language:English
Subjects:
cations
homogeneous catalysis
kinetic measurements
nitrogen oxides
transition metals
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Summary:A novel catalytic role for transition‐metal cations in the homogeneous conversion of the nitrogen oxides NO2, NO, or N2O and CO into N2 and CO2 is demonstrated by thermodynamic and kinetic studies of gas‐phase reactions of 29 transition‐metal cations and some of their oxides (see scheme). Fe+, Os+, and Ir+ ions are shown to be most effective. The chemistry identified may have practical applications in new designs of catalytic converters.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200351628