Reactivation of aged model Pd/Ce0.68Zr0.32O2 three-way catalyst by high temperature oxidising treatment

Literature Information

Publication Date 2003-11-25
DOI 10.1039/B308321G
Impact Factor 6.222
Authors

N. Hickey, P. Fornasiero, R. Di Monte, J. Kašpar, J. R. González-Velasco, M. A. Gutiérrez-Ortiz, M. P. González-Marcos, J. M. Gatica, S. Bernal


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Abstract

A deactivated (aged under redox-cycled model TWC feed-stream) Pd/Ce0.68Zr0.32O2 catalyst is remarkably reactivated when subjected to a high temperature oxidising treatment whereas this effect is only marginal for Pd/Al2O3, which indicates the key role of such treatment in restoring the Pd–Ce0.68Zr0.32O2 interactions leading to highly active catalysts.

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