Total oxidation of naphthalene at low temperatures using palladium nanoparticles supported on inorganic oxide-coated cordierite honeycomb monoliths

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Títol: Total oxidation of naphthalene at low temperatures using palladium nanoparticles supported on inorganic oxide-coated cordierite honeycomb monoliths
Autors: Varela Gandía, Francisco José | Berenguer-Murcia, Ángel | Lozano Castelló, Dolores | Cazorla-Amorós, Diego | Sellick, David R. | Taylor, Stuart H.
Grups d'investigació o GITE: Materiales Carbonosos y Medio Ambiente
Centre, Departament o Servei: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Paraules clau: Oxidation | Naphthalene | Palladium nanoparticles | Cordierite honeycomb monoliths
Àrees de coneixement: Química Inorgánica
Data de publicació: 4-de juliol-2013
Editor: Royal Society of Chemistry
Citació bibliogràfica: Catalysis Science & Technology. 2013, 3: 2708-2716. doi:10.1039/C3CY00323J
Resum: A study on the preparation of thin films of ZSM-5 and BETA zeolites, and a SAPO-5 silicoaluminophosphate, supported on cordierite honeycomb monoliths by in situ synthesis was carried out for their use as catalyst supports. Furthermore γ-Al2O3 was also coated onto a cordierite honeycomb monolith by a dip-coating method for use as a standard support. Structured monolithic catalysts were prepared by impregnation of the aforementioned coated monoliths with polymer-protected Pd nanoparticles. The monolithic catalysts have been tested for the total oxidation of naphthalene (100 ppm, GHSV 1220 h−1). From the combined use of the zeolite with polymer-protected nanoparticles, enhanced catalytic properties have been found for the total abatement of naphthalene. The Pd/MBETA and Pd/MZSM-5 catalytic monoliths have shown excellent activity with a high degree of stability, even after undergoing accelerated ageing experiments.
Patrocinadors: The authors would like to thank the Spanish MINECO, Generalitat Valenciana, and FEDER (Projects CTQ2012-31762 and PROMETEO/2009/047) for financial support. F. J. Varela-Gandía thanks the University of Alicante for a PhD studentship. Á. Berenguer-Murcia thanks the Spanish Ministry for Economy and Competitiveness for a Ramón y Cajal fellowship (RyC 2009-03913).
URI: http://hdl.handle.net/10045/40176
ISSN: 2044-4753 (Print) | 2044-4761 (Online)
DOI: 10.1039/C3CY00323J
Idioma: eng
Tipus: info:eu-repo/semantics/article
Drets: © The Royal Society of Chemistry
Revisió científica: si
Versió de l'editor: http://dx.doi.org/10.1039/C3CY00323J
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