Basic evidences for methanol-synthesis catalyst design (Articolo in rivista)

Type
Label
  • Basic evidences for methanol-synthesis catalyst design (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.cattod.2008.11.022 (literal)
Alternative label
  • F. Arena ; G. Italiano ; K. Barbera ; G. Bonura ; L. Spadaro ; F. Frusteri (2009)
    Basic evidences for methanol-synthesis catalyst design
    in Catalysis Today; ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F. Arena ; G. Italiano ; K. Barbera ; G. Bonura ; L. Spadaro ; F. Frusteri (literal)
Pagina inizio
  • 80 (literal)
Pagina fine
  • 85 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 143 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1-2 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ITAE, Istituto di tecnologie avanzate per l'energia \"Nicola Giordano\" ; Dipartimento di Chimica Industriale e Ingegneria dei Materiali, Università degli Studi di Messina ; Dipartimento di Chimica Inorganica, Fisica e dei Materiali, NIS Centre of Excellence, Centro di Riferimento INSTM (literal)
Titolo
  • Basic evidences for methanol-synthesis catalyst design (literal)
Abstract
  • A series of Cu-ZnO/ZrO2 catalysts (Znat/Cuat, 0-3; ZrO2, 42-44 wt.%) with markedly improved total (SA, 120-180 m2/g) and metal surface area (MSA, 9-63 m2/g) has been synthesized via the reverse coprecipitation under ultrasound field. Structure, adsorption properties and surface reactivity were probed by BET, XRD, TPR, N2O-titration and TPD measurements of H2, CO and CO2, while the activity pattern in the CO2 to CH3OH hydrogenation reaction (TR, 433-473 K; PR, 1.0 MPa) has been addressed. An optimum ZnO loading (Znat/Cuat, 0.3-0.8) ensures higher process productivity, while the apparent structure sensitive character of the title reaction relies on the synergism of metal hydrogenation and oxide basic sites (dual-site). The extent of the oxide/metal interface, probed by Cud+/Cu0 and oxide-to-metal surface area (OSA/MSA) ratios, is the key-parameter allowing the normalization of the catalytic specific activity in a wide range (3-60%) of metal dispersion and the consequent structure insensitive character of the CO2 hydrogenation reaction. (literal)
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