BETA Zeolite Thin Films Supported on Honeycomb Monoliths with Tunable Properties as Hydrocarbon Traps under Cold-Start Conditions

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dc.contributorMateriales Carbonosos y Medio Ambientees
dc.contributor.authorNavlani García, Miriam-
dc.contributor.authorVarela Gandía, Francisco José-
dc.contributor.authorBueno López, Agustín-
dc.contributor.authorCazorla-Amorós, Diego-
dc.contributor.authorPuértolas Lacambra, Begoña-
dc.contributor.authorLópez, José Manuel-
dc.contributor.authorGarcía Martínez, Tomás-
dc.contributor.authorLozano Castelló, Dolores-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Inorgánicaes
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materialeses
dc.identifier.citationChemSusChem. 2013, 6(8): 1467-1477. doi:10.1002/cssc.201300215es
dc.identifier.issn1864-5631 (Print)-
dc.identifier.issn1864-564X (Online)-
dc.description.abstractA high percentage of hydrocarbon (HC) emissions from gasoline vehicles occur during the cold-start period. Among the alternatives proposed to reduce these HC emissions, the use of zeolites before the three-way catalyst (TWC) is thought to be very effective. Zeolites are the preferred adsorbents for this application; however, to avoid high pressure drops, supported zeolites are needed. In this work, two coating methods (dip-coating and in situ crystallization) are optimized to prepare BETA zeolite thin films supported on honeycomb monoliths with tunable properties. The important effect of the density of the thin film in the final performance as a HC trap is demonstrated. A highly effective HC trap is prepared showing 100 % toluene retention, accomplishing the desired performance as a HC trap, desorbing propene at temperatures close to 300 °C, and remaining stable after cycling. The use of this material before the TWC is very promising, and works towards achieving the sustainability and environmental protection
dc.description.sponsorshipThe authors would like to thank the Ministerio de Economía y Competitividad and FEDER (CTQ2012/31762) as well as Generalitat Valenciana and FEDER (PROMETEO/2009/047) for financial support. M.N.G. and F.J.V.G. thank the University of Alicante for the PhD studentship. B.P. thanks the Ministry of Education of Spain for the PhD fellowship (grant no. AP2009-3544), and J.M.L. thanks the MICYT for his “Ramón y Cajal” contract (ref. RYC-2009-04483).es
dc.publisherWiley-VCH Verlag GmbH & Co. KGaAes
dc.rights© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheimes
dc.subjectCold start conditionses
dc.subjectHoneycomb monolithses
dc.subjectThin filmses
dc.subject.otherQuímica Inorgánicaes
dc.titleBETA Zeolite Thin Films Supported on Honeycomb Monoliths with Tunable Properties as Hydrocarbon Traps under Cold-Start Conditionses
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