Topics in Catalysis

, Volume 56, Issue 1–8, pp 279–286 | Cite as

TAP Investigation of NO Adsorption on Pd/Al2O3: Effect of Thermal Aging

  • F. DhainautEmail author
  • Y. Renème
  • S. Pietrzik
  • Y. Schuurman
  • C. Mirodatos
  • P. Granger
Original Paper


This paper deals with the aging effect on the kinetics of the NO decomposition on a commercial Pd/Al2O3 catalyst. Temporal analysis of products experiments are discussed in the light of a selected mechanism involving the recombination of two NOads species to form N2O, which is an intermediate in N2 formation. Experiments over the fresh catalyst indicate a strong metal/support interface, with a spill-over effect, which is difficult to model. Thermal aging had a detrimental effect over this interface, the kinetic features depending mainly on the metallic Pd sites. The different heats of adsorption and activation energies are proven consistent with other theoretical studies. The mechanism led to a high surface coverage for O ad-atoms.


NO decomposition Pd supported catalyst Temporal analysis of products (TAP) Reaction mechanism Kinetic modeling 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • F. Dhainaut
    • 1
    Email author
  • Y. Renème
    • 1
  • S. Pietrzik
    • 1
  • Y. Schuurman
    • 2
  • C. Mirodatos
    • 2
  • P. Granger
    • 1
  1. 1.Unité de Catalyse et de Chimie du Solide, UMR CNRS 8181Université de Lille, Cité ScientifiqueVilleneuve d’AscqFrance
  2. 2.Ircelyon, UMR CNRS 5256VilleurbanneFrance

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