Theoretical and Experimental Chemistry

, Volume 22, Issue 1, pp 75–78 | Cite as

Kinetic model of catalytic oxidation of carbon monoxide on nickel

  • Yu. I. Pyatnitskii
  • V. A. Ostapyuk
Brief Communications


A mechanism is proposed for describing the previous disclosed multiplicity of equilibrium states in the oxidation of carbon monoxide on metallic nickel. In contrast to the known mechanism for oxidation of CO oh platinum metals it includes a nonlinear stage of carbon monoxide adsorption and a linear stage of oxygen adsorption. A kinetic model has been obtained and stage velocity constants have been found, providing a basis for obtaining a quantitative agreement between the calculated and experimental relations between the reaction velocity and the reagent concentrations. Opinions are stated in relation to the causes for evolution of the CO oxidation reaction from platinum metals to nickel.


Oxidation Nickel Platinum Carbon Monoxide Equilibrium State 
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Copyright information

© Plenum Publishing Corporation 1986

Authors and Affiliations

  • Yu. I. Pyatnitskii
    • 1
  • V. A. Ostapyuk
    • 1
  1. 1.L. V. Pisarzhevskii Institute of Physical ChemistryAcademy of Sciences of the Ukrainian SSRKiev

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