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Metal-loaded CeO2-ZrO2 solid solutions as innovative catalysts for automotive catalytic converters

FORNASIERO, Paolo
•
BALDUCCI, GABRIELE
•
KASPAR, JAN
altro
GRAZIANI, MAURO
1996
  • journal article

Periodico
CATALYSIS TODAY
Abstract
The redox behaviour of a Ce0.5Zr0.5O2 solid solution is investigated by means of temperature programmed reduction (TPR) and oxygen uptake measurements. It is shown that the introduction of ZrO2, into the CeO2 framework, strongly modifies the reduction behaviour in comparison to pure CeO2. Remarkably, in contrast to the CeO2, upon repetitive reduction-oxidation processes, the temperature of reduction of the solid solution decreases from 900 to 700 K. The reduction of NO by CO over metal-loaded catalysts is investigated and the role of support Ce3+ sites in the enhancing the NO conversion is discussed.
DOI
10.1016/0920-5861(95)00261-8
WOS
WOS:A1996UQ96600007
Archivio
http://hdl.handle.net/11368/1689887
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0001629778
Diritti
metadata only access
Soggetti
  • ceria-zirconia mixed ...

  • hydrogen

  • TWC

  • car converters

Web of Science© citazioni
78
Data di acquisizione
Mar 10, 2024
Visualizzazioni
4
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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