Thermal stability of perovskite-based monolithic reactors in the catalytic combustion of methane (Articolo in rivista)

Type
Label
  • Thermal stability of perovskite-based monolithic reactors in the catalytic combustion of methane (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ie000392i (literal)
Alternative label
  • Cimino, S; Pirone, R; Russo, G (2001)
    Thermal stability of perovskite-based monolithic reactors in the catalytic combustion of methane
    in Industrial & engineering chemistry research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cimino, S; Pirone, R; Russo, G (literal)
Pagina inizio
  • 80 (literal)
Pagina fine
  • 85 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 40 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); University of Naples Federico II (literal)
Titolo
  • Thermal stability of perovskite-based monolithic reactors in the catalytic combustion of methane (literal)
Abstract
  • Perovskite-based monolithic reactors have been studied for methane catalytic combustion. Monoliths have been prepared by washcoating cordierite honeycomb substrates with lanthanum-stabilized gamma -Al2O3, on which LaMnO3 is dispersed. Scanning electron microscopy analysis showed a homogeneous distribution of LaMnO3 on the washcoat, which, after repeated aging cycles at 1100 degreesC, is still well anchored to cordierite. The catalytic activity in methane combustion is very promising, even higher than that measured on the corresponding catalyst powders with the same chemical composition. Isothermal catalytic activity measurements reveal that the first aging cycle slightly reduces the activity of fresh catalyst, while further repeated aging treatments do not deactivate the monolithic reactor. In autothermal. conditions, the monolithic catalyst is able to ignite a mixture of CH4 (3% vol) and O-2 (10%) at an inlet gas temperature of about 500 degreesC, giving complete methane conversion and negligible CO and NOx emissions. Moreover, 50 h of operation under ignited conditions causes only minor deactivation of the catalyst. (literal)
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