http://www.cnr.it/ontology/cnr/individuo/prodotto/ID193208
Supported Au catalysts for low-temperature abatement of propene and toluene, as model VOCs: Support effect (Articolo in rivista)
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- Supported Au catalysts for low-temperature abatement of propene and toluene, as model VOCs: Support effect (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
M. Ousmane, L.F. Liotta, G. Di Carlo, G. Pantaleo, A.M. Venezia, G. Deganello, L. Retailleau, A. Boreave, A. Giroir-Fendler (2011)
Supported Au catalysts for low-temperature abatement of propene and toluene, as model VOCs: Support effect
in Applied catalysis. B, Environmental (Print)
(literal)
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- M. Ousmane, L.F. Liotta, G. Di Carlo, G. Pantaleo, A.M. Venezia, G. Deganello, L. Retailleau, A. Boreave, A. Giroir-Fendler (literal)
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- Université de Lyon, Lyon F-69003, France
Université Lyon 1, Villeurbanne, F-69622, CNRS, UMR 5256, IRCELYON, 2 avenue Albert Einstein, Villeurbanne F-69622, France
Dipartimento di Chimica Inorganica e Analitica Stanislao Cannizzaro, Università di Palermo, Viale delle Scienze, Pad. 17 - 90128 Palermo, Italy
Istituto per Lo Studio dei Materiali Nanostrutturati (ISMN)-CNR via Ugo La Malfa, 153, 90146 Palermo, Italy
Istituto per Lo Studio dei Materiali Nanostrutturati (ISMN)-CNR, Via Salaria km 29300, 00015 Monterotondo Stazione, Rome, Italy (literal)
- Titolo
- Supported Au catalysts for low-temperature abatement of propene and toluene, as model VOCs: Support effect (literal)
- Abstract
- In this work gold nanoparticles supported over ceria (Au/CeO 2), titania (Au/TiO 2), alumina (Au/Al 2O 3) and Ce doped alumina (Au/7.5Ce/Al 2O 3) were prepared by deposition-precipitation (DP) method with NaOH solution and characterized by BET, XRD, H 2-TPR, TEM and XPS techniques. The catalytic activity was evaluated in the total oxidation of propene and toluene, chosen as model VOC molecules. The attention was focused on the catalyst stability. To this aim, three consecutive catalytic cycles in propene and toluene oxidation were performed for each catalyst. The activity trend was Au/CeO 2>Au/7.5Ce/Al 2O 3>Au/TiO 2>Au/Al 2O 3. Over Au/CeO 2, the most active catalyst, a long-term propene oxidation test running for 50h, at low-temperature, 135°C was also carried out. Characterizations XRD and XPS were carried out on the spent catalyst after three catalytic runs in propene oxidation. The results were discussed in terms of structural, electronic, catalytic and reduction properties as a function of the nature of the support. © 2010 Elsevier B.V. (literal)
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