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

A deactivated (aged under redox-cycled model TWC feed-stream) Pd/Ce 0.68Zr0.32O2 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-Ce 0.68Zr0.32O2 interactions leading to highly active catalysts.



Titolo: Reactivation of aged model Pd/Ce0.68Zr0.32O2 three-way catalyst by high temperature oxidising treatment
Autori: 
HICKEY, JAMES NEIL
FORNASIERO, Paolo
KASPAR, JAN
mostra contributor esterni 
Data di pubblicazione: 2004
Rivista: 
CHEMICAL COMMUNICATIONS  
Abstract: A deactivated (aged under redox-cycled model TWC feed-stream) Pd/Ce 0.68Zr0.32O2 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-Ce 0.68Zr0.32O2 interactions leading to highly active catalysts.
Handle: http://hdl.handle.net/11368/1695756
Digital Object Identifier (DOI): http://dx.doi.org/10.1039/b308321g
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