Catalytic partial oxidation of CH4-H2 mixtures over Ni foams modified with Rh and Pt (Articolo in rivista)

Type
Label
  • Catalytic partial oxidation of CH4-H2 mixtures over Ni foams modified with Rh and Pt (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ijhydene.2012.08.022 (literal)
Alternative label
  • Cimino S.; Lisi L.; Mancino G.; Musiani M.; Vazquez-Gomez L.; Verlato E. (2012)
    Catalytic partial oxidation of CH4-H2 mixtures over Ni foams modified with Rh and Pt
    in International journal of hydrogen energy
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cimino S.; Lisi L.; Mancino G.; Musiani M.; Vazquez-Gomez L.; Verlato E. (literal)
Pagina inizio
  • 17040 (literal)
Pagina fine
  • 17051 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0360319912018241 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 37 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2,3 : Istituto di Ricerche sulla Combustione IRC e CNR, P.le V. Tecchio 80, 80125 Napoli, Italy / 4,5,6 : Istituto per l'Energetica e le Interfasi IENI e CNR, Corso Stati Uniti 4, 35127 Padova, Italy (literal)
Titolo
  • Catalytic partial oxidation of CH4-H2 mixtures over Ni foams modified with Rh and Pt (literal)
Abstract
  • The catalytic partial oxidation (CPO) of methane-hydrogen mixtures in air, intended for the first stage of hybrid radiant catalytic burners, was investigated under self-sustained short contact time conditions on commercial Ni foam catalysts eventually modified with Rh and Pt. The modified catalysts were prepared by a simple novel method based on the spontaneous deposition of noble metals via metal exchange reactions onto those Ni foam substrates. SEM-EDS, electrochemical methods and H2-TPR analysis were integrated to characterize morphology, surface area of metal deposits and reducibility of foam catalysts before and after exposure to severe conditions in the CPO reactor. In particular Rh forms finely dispersed deposits that retain their high specific surface area at temperatures up ca. 1100 ?C. Modification with noble metals enhances stability and reducibility of the Ni foam whereas the overall CPO performance is not significantly improved. Safe operation of the CPO reactor with up to 70% vol. H2 in the fuel mixture has been achieved by properly increasing the feed equivalence ratio to avoid catalyst overheating, while guaranteeing high methane conversions and a persistent net hydrogen production. (literal)
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