Hydrogen from biogas: Catalytic tri-reforming process with Ni/La-Ce-O mixed oxides (Articolo in rivista)

Type
Label
  • Hydrogen from biogas: Catalytic tri-reforming process with Ni/La-Ce-O mixed oxides (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.apcatb.2013.10.043 (literal)
Alternative label
  • Lidia Pino, Antonio Vita, Massimo Laganà, Vincenzo Recupero (2014)
    Hydrogen from biogas: Catalytic tri-reforming process with Ni/La-Ce-O mixed oxides
    in Applied catalysis. B, Environmental (Print); elsevier B.V., Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lidia Pino, Antonio Vita, Massimo Laganà, Vincenzo Recupero (literal)
Pagina inizio
  • 91 (literal)
Pagina fine
  • 105 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 148-149 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 15 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR Institute of Advanced Technology for Energy \"Nicola Giordano\" (literal)
Titolo
  • Hydrogen from biogas: Catalytic tri-reforming process with Ni/La-Ce-O mixed oxides (literal)
Abstract
  • A series of Ni catalysts supported on La Ce O mixed oxides with different Ni content (Ce1-3xLa2xNixO2-?, x = 0.10; 0.20 and 0.25) prepared by combustion synthesis, was tested in tri-reforming reaction of simulated biogas. The influence of O2/CH4, CH4/CO2 molar ratios in the reaction stream has been evaluated caring out the reaction at 800 oC, under a fixed gas hourly space velocity (GHSV = 31,000 h-1). The highest catalytic activity was obtained with the Ce0.70La0.20Ni0.10O2-? sample that showed high stability (CH4, CO2 conversion rates and the H2/CO molar ratio in the reformed gas were 1.56 mmol/s gNi, 0.56 mmol/s gNi and 1.57, respectively) under an average biogas composition (CH4/CO2 = 1.5). No carbon deposition was detected after 150 h of reaction. The characterizations of the samples have highlighted that Ni and La ions were partially incorporated into CeO2 framework, cubic fluorite structure of CeO2 support was retained also at high level of doping. Ni metal phase in close contact with La2O3-CeO2 matrix coupled with Ni2+ with high cationic character appeared to be responsible of the catalytic activity and stability of the catalysts. (literal)
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