Co3O4/CeO2 and CeO2-ZrO2 composite catalysts for methane combustion: correlation between morphology reduction properties and catalytic activity (Articolo in rivista)

Type
Label
  • Co3O4/CeO2 and CeO2-ZrO2 composite catalysts for methane combustion: correlation between morphology reduction properties and catalytic activity (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.catcom.2005.02.006 (literal)
Alternative label
  • L.F. Liotta, G. Di Carlo, G. Pantaleo, G. Deganello (2005)
    Co3O4/CeO2 and CeO2-ZrO2 composite catalysts for methane combustion: correlation between morphology reduction properties and catalytic activity
    in Catalysis communications (Print); Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L.F. Liotta, G. Di Carlo, G. Pantaleo, G. Deganello (literal)
Pagina inizio
  • 329 (literal)
Pagina fine
  • 336 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S1566736705000385 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 6 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a ISMN-CNR via Ugo La Malfa, Sezione Di Palermo, 153, 90146 Palermo, Italy b Dipartimento di Chimica Inorganica e Analitica ''Stanislao Cannizzaro'', Università di Palermo, Viale delle Scienze, Parco d?Orleans II - 90128 Palermo, Italy (literal)
Titolo
  • Co3O4/CeO2 and CeO2-ZrO2 composite catalysts for methane combustion: correlation between morphology reduction properties and catalytic activity (literal)
Abstract
  • Co3O4/CeO2and Co3O4/CeO2-ZrO2 composite catalysts have been prepared by two different techniques, co-precipitation by citrate method and impregnation with cobalt nitrate of pre-formed ceria and ceria-zirconia oxides. The materials, as prepared and after ageing at 750 ?C 7 h, were tested for methane combustion and the catalytic performances were compared with those of a commercial Co3O4, used as reference. A significant improvement of the activity was observed in the composite oxide Co3O4 (30 wt%)/CeO2(70 wt%), prepared by citrate method, which exhibits the lowest light-off temperature of methane (T50= 400 ?C) and does not suffer deactivation after calcination at 750 ?C 7 h (literal)
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