Platinum supported on highly-dispersed ceria on activated carbon for the total oxidation of VOCs

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dc.contributorMateriales Avanzadoses_ES
dc.contributor.authorAbdelouahab Reddam, Zinab-
dc.contributor.authorEl Mail, Rachad-
dc.contributor.authorColoma, Fernando-
dc.contributor.authorSepúlveda-Escribano, Antonio-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Inorgánicaes_ES
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materialeses_ES
dc.contributor.otherUniversidad de Alicante. Servicios Técnicos de Investigaciónes_ES
dc.identifier.citationApplied Catalysis A: General. 2015, 494: 87-94. doi:10.1016/j.apcata.2015.01.026es_ES
dc.identifier.issn0926-860X (Print)-
dc.identifier.issn1873-3875 (Online)-
dc.description.abstractCatalysts consisting in platinum supported on cerium oxide highly dispersed on activated carbon, with a Pt loading of 1 wt.% and ceria loadings of 5, 10 and 20 wt.% have been prepared by impregnation method and characterized by several techniques (N2 adsorption at 77 K, ICP, XRD, H2-TPR and XPS). Their catalytic behavior has been evaluated in the total oxidation of ethanol and toluene after reduction at 473 K. The obtained results show that the prepared catalysts have better performances than platinum supported on bulk CeO2. The best catalytic performance was obtained for 10 wt.% ceria loading, likely due to an optimum synergistic interaction between highly dispersed cerium oxide and platinum particles. Pt-10Ce/C achieves total conversion of ethanol and toluene to CO2 at 433 K and 453 K, respectively, and shows no deactivation during a test for 100 h. Under humid conditions (relative humidity, RH, of 40 and 80%), the activity was only slightly influenced due to the hydrophobic character of the activated carbon support, which prevents the adsorption of
dc.description.sponsorshipFinancial support from Generalitat Valenciana (Spain, PROMETEO/2009/002-FEDER and PROMETEOII/2014/004) is gratefully
dc.rights© 2015 Elsevier
dc.subjectActivated carbones
dc.subjectTotal combustiones
dc.subject.otherQuímica Inorgánicaes_ES
dc.titlePlatinum supported on highly-dispersed ceria on activated carbon for the total oxidation of VOCses_ES
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