dc.creator | Rinaudo, Matías G. | es |
dc.creator | Beltrán, Ana M. | es |
dc.creator | Fernández Camacho, Asunción | es |
dc.creator | Cadús, Luis Eduardo | es |
dc.creator | Morales, María Roxana | es |
dc.date.accessioned | 2022-11-15T12:11:10Z | |
dc.date.available | 2022-11-15T12:11:10Z | |
dc.date.issued | 2022-12 | |
dc.identifier.citation | Rinaudo, M.G., Beltrán, A.M., Fernández Camacho, A., Cadús, L.E. y Morales, M.R. (2022). Pd supported on defective TiO2 polymorphic mixtures: Effect of metal-support interactions upon glycerol selective oxidation. Results in Engineering, 16 (100737). https://doi.org/10.1016/j.rineng.2022.100737. | |
dc.identifier.issn | 2590-1230 | es |
dc.identifier.uri | https://hdl.handle.net/11441/139441 | |
dc.description.abstract | Palladium catalysts supported on defective mixes of anatase, TiO2 (II) and rutile crystalline phases, previously obtained by high-energy ball milling, were synthesized and tested for glycerol selective oxidation. A deep characterization of these unusual materials was carried out to elucidate catalytic and physicochemical features. Electron density transfer from support to metal or vice versa, depending on the polymorphs present, could not only alter palladium particle sizes and its surface oxidation state but also reducibility and oxygen mobility of catalysts. Furthermore, acid-base properties achieved also influenced catalytic activity under mild conditions of liquid-phase glycerol oxidation. A conversion of 94% and a selectivity to glyceric and lactic acids of 48% and 22% respectively were obtained for the Pd catalyst supported on mechanochemically activated anatase. The presence of several polymorphs in a metal oxide support could therefore benefit or handicap catalytic cycle for a particular reaction. Metal-support interactions play a key role in heterogenous catalysts and thus the rational design of supports comes on the scene. | es |
dc.description.sponsorship | Spanish Ministry of Science and Innovation and Universities / EU FEDER RTI2018-093871-B-I00 | es |
dc.description.sponsorship | Junta de Andalucía / EU FEDER P20_00239 | es |
dc.format | application/pdf | es |
dc.format.extent | 14 p. | es |
dc.language.iso | eng | es |
dc.publisher | Elsevier | es |
dc.relation.ispartof | Results in Engineering, 16 (100737). | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Titanium oxide polymorphs | es |
dc.subject | Glycerol selective oxidation | es |
dc.subject | Palladium-based catalyst | es |
dc.subject | Metal-support interaction | es |
dc.subject | Mechanochemical activation | es |
dc.title | Pd supported on defective TiO2 polymorphic mixtures: Effect of metal-support interactions upon glycerol selective oxidation | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Ingeniería y Ciencia de los Materiales y del Transporte | es |
dc.relation.projectID | RTI2018-093871-B-I00 | es |
dc.relation.projectID | P20_00239 | es |
dc.relation.publisherversion | https://www.sciencedirect.com/science/article/pii/S2590123022004078#! | es |
dc.identifier.doi | 10.1016/j.rineng.2022.100737 | es |
dc.contributor.group | Universidad de Sevilla. TEP123: Metalurgia e Ingeniería de los Materiales | es |
dc.journaltitle | Results in Engineering | es |
dc.publication.volumen | 16 | es |
dc.publication.issue | 100737 | es |