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dc.contributor.author | Benomar, S. | es_ES |
dc.contributor.author | Masso Ramírez, Amada | es_ES |
dc.contributor.author | Solsona Espriu, Benjamin Eduardo | es_ES |
dc.contributor.author | Isaadi, R. | es_ES |
dc.contributor.author | López Nieto, José Manuel | es_ES |
dc.date.accessioned | 2020-07-08T03:32:19Z | |
dc.date.available | 2020-07-08T03:32:19Z | |
dc.date.issued | 2018-04 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/147629 | |
dc.description.abstract | [EN] Vanadium supported on pure (Al2O3, ZrO2) or mixed zirconia-alumina (with Al/(Al + Zr) ratio of 0.75 or 0.25) catalysts have been prepared by wet impregnation, using homemade prepared supports. The catalysts have been characterized and tested in the oxidative dehydrogenation (ODH) of ethane and in the methanol aerobic transformation. The catalytic performance strongly depends on the nature of the metal oxide support. Thus, activity decreases in the order: VOx/ZrO2 > VOx/(Al,Zr-oxides) > VOx/Al2O3. On the other hand, at low and medium ethane conversions, the selectivity to ethylene presents an opposite trend: VOx/Al2O3 > VOx/(Al,Zr-oxides) > VOx/ZrO2. The different selectivity to ethylene at high conversion is due to the lower/higher initial ethylene formation and to the extent of the ethylene decomposition. Interestingly, VOx/(Al,Zr-oxides) with low Zr-loading present the lowest ethylene decomposition. The catalytic results obtained mainly depend on the nature of the supports whereas the role of the dispersion of vanadium species is unclear. In methanol oxidation, the catalysts tested present similar catalytic activity regardless of the support (Al2O3, ZrO2 or mixed Al2O3-ZrO2) but strong differences in the selectivity to the reaction products. Thus, dimethyl ether was mainly observed on alumina-supported vanadium oxide catalysts (which is associated to the presence of acidic sites on the surface of the catalyst, as determined by TPD-NH3). Formaldehyde was the main reaction product on catalysts supported on Zr-containing oxides (which can be related to a low presence of acid sites). In this article, the importance of the presence of acid sites in ethane ODH, which can be estimated using the methanol transformation reaction, is also discussed. | es_ES |
dc.description.sponsorship | The authors would like to acknowledge the DGICYT (CTQ2015-68951-C3-1-R and MAT2017-84118-C2-1-R projects), the Secretary of State for International Cooperation in Spain (Project AP/040992/11) and FEDER for financial support. B.S. also thanks the University of Valencia (UV-INV-AE16-484416). | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | MDPI AG | es_ES |
dc.relation.ispartof | Catalysts | es_ES |
dc.rights | Reconocimiento (by) | es_ES |
dc.subject | ODH of ethane | es_ES |
dc.subject | Ethylene | es_ES |
dc.subject | Methanol transformation | es_ES |
dc.subject | Formaldehyde | es_ES |
dc.subject | Dimethyl ether | es_ES |
dc.subject | Vanadium | es_ES |
dc.subject | Zirconia | es_ES |
dc.subject | Alumina | es_ES |
dc.title | Vanadium Supported on Alumina and/or Zirconia Catalysts for the Selective Transformation of Ethane and Methanol | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.3390/catal8040126 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2017-84118-C2-1-R/ES/VALORIZACION DE RECURSOS NATURALES COMO NUEVOS MATERIALES AVANZADOS :APLICACIONES CATALITICAS Y ELECTROQUIMICAS/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MAEC//AP%2F040992%2F11/ES/PREPARACIÓN, CARACTERIZACIÓN Y PROPIEDADES CATALÍTICAS PARA REACCIONES CATALÍTICAS SOSTENIBLES/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/UV//INV-AE16-484416/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//CTQ2015-68951-C3-1-R/ES/TRATAMIENTOS CATALITICOS AVANZADOS PARA LA VALORIZACION DE LA BIOMASA Y LA ELIMINACION DE RESIDUOS ASOCIADOS/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química | es_ES |
dc.description.bibliographicCitation | Benomar, S.; Masso Ramírez, A.; Solsona Espriu, BE.; Isaadi, R.; López Nieto, JM. (2018). Vanadium Supported on Alumina and/or Zirconia Catalysts for the Selective Transformation of Ethane and Methanol. Catalysts. 8(4):1-18. https://doi.org/10.3390/catal8040126 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.3390/catal8040126 | es_ES |
dc.description.upvformatpinicio | 1 | es_ES |
dc.description.upvformatpfin | 18 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 8 | es_ES |
dc.description.issue | 4 | es_ES |
dc.identifier.eissn | 2073-4344 | es_ES |
dc.relation.pasarela | S\383056 | es_ES |
dc.contributor.funder | Universitat de València | es_ES |
dc.contributor.funder | European Regional Development Fund | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |
dc.contributor.funder | Ministerio de Asuntos Exteriores y Cooperación | es_ES |
dc.contributor.funder | Agencia Española de Cooperación Internacional para el Desarrollo | es_ES |
dc.contributor.funder | Agencia Estatal de Investigación | es_ES |
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