Activity of SiO2 supported gold palladium catalysts in CO oxidation (Articolo in rivista)

Type
Label
  • Activity of SiO2 supported gold palladium catalysts in CO oxidation (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Venezia A.M., Liotta L. F., Pantaleo G., La Parola V., Deganello G., Beck A., Koppany Zs., Frey K., Horvath D. and Guczi L., (2003)
    Activity of SiO2 supported gold palladium catalysts in CO oxidation
    in Applied catalysis. A, General (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Venezia A.M., Liotta L. F., Pantaleo G., La Parola V., Deganello G., Beck A., Koppany Zs., Frey K., Horvath D. and Guczi L., (literal)
Pagina inizio
  • 359 (literal)
Pagina fine
  • 368 (literal)
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  • 251 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per Lo Studio dei Materiali Nanostrutturati--CNR, Sezione di Palermo, Dipartimento di Chimica Inorganica e Analitica \"S. Cannizzaro\", Università di Palermo, Department of Surface Chemistry and Catalysis, Institute of Isotope and Surface Chemistry, CRC, HAS, Hungary (literal)
Titolo
  • Activity of SiO2 supported gold palladium catalysts in CO oxidation (literal)
Abstract
  • Bimetallic Au-Pd catalysts supported on silica with different Au/Pd atomic ratios were prepared by simultaneous reduction of palladium and gold precursors by ethanol in the presence of the polymer, polyvinilpyrrolidone (PVP). Formation of alloyed particles was detected by means of X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and CO chemisorption measurements. The catalysts were tested in the catalytic oxidation of CO using a plug-flow reactor. The CO conversion was determined as a function of temperature. The monometallic palladium and the palladium-rich catalysts behaved quite similarly and were the most active catalysts. A drastic reduction of the CO oxidation activity was observed for the 50/50 Au/Pd catalyst and for samples with increasing amount of gold. (literal)
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