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Russian Chemical Bulletin

, Volume 48, Issue 4, pp 694–697 | Cite as

Oxidation of CO and hydrocarbons over perovskite-type complex oxides

  • N. M. Panich
  • G. N. Pirogova
  • R. I. Korosteleva
  • Yu. V. Voronin
Physical Chemistry

Abstract

The catalytic activity of perovskites MIMIIO3 (MI=La; MII=Co, Mn, Cr, Al, Ni, and V) and MICoO3 (M=Y, Nd, Sm, and Er) in the oxidation of CO, propylene, and ethylbenzene was investigated. The highest activity was observed for the MICoO3 catalysts with perfect perovskite structure. The nature of the rare-earth element has no influence on the catalytic activity. Deformation of the octahedral coordination of the metal was found for the less active catalysts. The interaction of gases (CO, CO+air) with the catalyst surface was investigated. The more active catalysts adsorb a greater amount of O2, and the adsorption occurs in the temperature region of the oxidation reaction. The activities of the perovskite- and spinel-type catalysts were compared under similar conditions.

Key words

perovskites spinel carbon monoxide propylene ethylbenzene catalytic oxidation 

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Copyright information

© Kluwer Academic/Plenum Publishers 1999

Authors and Affiliations

  • N. M. Panich
    • 1
  • G. N. Pirogova
    • 1
  • R. I. Korosteleva
    • 1
  • Yu. V. Voronin
    • 1
  1. 1.Institute of Physical ChemistryRussian Academy of SciencesMoscowRussian Federation

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