Effect of the reducing step on the bimetallic catalysts synthesized by catalytic reduction used for denitrification (Articolo in rivista)

Type
Label
  • Effect of the reducing step on the bimetallic catalysts synthesized by catalytic reduction used for denitrification (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.apcata.2005.07.046 (literal)
Alternative label
  • Sà J.; Gross S.; Vinek H. (2005)
    Effect of the reducing step on the bimetallic catalysts synthesized by catalytic reduction used for denitrification
    in Applied catalysis. A, General (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sà J.; Gross S.; Vinek H. (literal)
Pagina inizio
  • 226 (literal)
Pagina fine
  • 234 (literal)
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  • Study carried out in the framework of an international cooperation. Develompment of effective bimetallic (Pd/Cu) catalysts supported on alumina used for the degradation of nitrates in water. Noticeably, it was pointed out that the reduction temperature strongly affects the surface and oxidation states of the metals on the catalysts. (literal)
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  • 294 (literal)
Rivista
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  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Jacinto Sa a,c, Silvia Gross b, Hannelore Vinek a a Institute of Materials Chemistry, Vienna University of Technology, Veterinaerplatz 1, A-1210 Vienna, Austria b Institute of Molecular Science and Technology-CNR Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy c Surface Chemistry and Catalysis Group, Department of Chemistry, University of Aberdeen, Meston Walk, Old Aberdeen AB24 3UE, UK (literal)
Titolo
  • Effect of the reducing step on the bimetallic catalysts synthesized by catalytic reduction used for denitrification (literal)
Abstract
  • Bimetallic (Pd/Cu) catalysts supported on alumina were used for the degradation of nitrates in water. The reduction temperature strongly affects the surface and oxidation states of the metals on the catalysts. These significant changes were characterized by FT-IR, XPS, TEM with EDX and H2 chemisorption. Migration of superficial copper on top of palladium and towards the support during the reducing steps was observed, moreover palladium particles free of copper were found. With increasing reduction temperature the activity of the bimetallic catalysts passes through a maximum whereas the selectivity to nitrogen increases. (literal)
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