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Kinetics and Catalysis

, Volume 58, Issue 6, pp 793–799 | Cite as

Catalytic Activity of the Oxide Catalysts Based on Ni0.75Co2.25O4 Modified with Cesium Cations in a Reaction of N2O Decomposition

  • Yu. A. IvanovaEmail author
  • E. F. Sutormina
  • I. A. Isupova
  • E. I. Vovk
Article

Abstract

The Ni0.75Co2.25O4 catalysts were prepared by a coprecipitation method and modified with cesium cations by impregnation with a solution of cesium nitrate or cesium nitrate with citric acid and ethylene glycol additives (the Pechini method). The catalysts obtained were investigated by X-ray diffraction analysis, the BET method, X-ray photoelectron spectroscopy, temperature-programmed reduction, and the temperatureprogrammed desorption of oxygen. The activity of the samples in a reaction of nitrous oxide decomposition was determined at temperatures of 200–300°C, in particular, in the presence of oxygen and water in the reaction mixture. It was found that the use of the Pechini method for supporting Cs makes it possible to obtain a more active catalyst, as compared with that prepared by impregnation with cesium nitrate, at the same cesium content (~2%) of the samples.

Keywords

nitrous oxide decomposition substituted cobalt spinel modification with cesium cations 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • Yu. A. Ivanova
    • 1
    Email author
  • E. F. Sutormina
    • 1
  • I. A. Isupova
    • 1
  • E. I. Vovk
    • 1
  1. 1.Boreskov Institute of CatalysisSiberian Branch, Russian Academy of SciencesNovosibirskRussia

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