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NiO diluted in high surface area TiO2 as efficient catalysts for the oxidative dehydrogenation of ethane

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NiO diluted in high surface area TiO2 as efficient catalysts for the oxidative dehydrogenation of ethane

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dc.contributor.author Sanchis, R. es_ES
dc.contributor.author Delgado-Muñoz, Daniel es_ES
dc.contributor.author Agouram, S. es_ES
dc.contributor.author Soriano Rodríguez, Mª Dolores es_ES
dc.contributor.author Vázquez, M. I. es_ES
dc.contributor.author Rodriguez-Castellon, E. es_ES
dc.contributor.author Solsona, B. es_ES
dc.contributor.author López Nieto, José Manuel es_ES
dc.date.accessioned 2020-10-07T03:36:05Z
dc.date.available 2020-10-07T03:36:05Z
dc.date.issued 2017-04-25 es_ES
dc.identifier.issn 0926-860X es_ES
dc.identifier.uri http://hdl.handle.net/10251/151323
dc.description.abstract [EN] Catalysts consisting of NiO diluted in high surface area TiO2 can be as efficient in the oxidative dehydrogenation of ethane as the most selective NiO-promoted catalysts reported previously in the literature. By selecting the titania matrix and the NiO loading, yields to ethylene over 40% have been obtained. In the present article, three different titanium oxides (TiO2) have been employed as supports or diluters of nickel oxide and have been tested in the oxidative dehydrogenation of ethane to ethylene. All TiO2 used present anatase as the main crystalline phase and different surface areas of 11,55 and 85 m(2) g(-1). It has been observed that by selecting an appropriate nickel loading and the titanium oxide extremely high selectivity towards ethylene can be obtained. Thus, nickel oxide supported on TiO2 with high surface areas (i.e. 55 and 85 m(2) g(-1)) have resulted to give the best catalytic performance although the optimal nickel loading is different for each case. The optimal catalyst has been obtained for NiO-loadings up to 5-10 theoretical monolayers regardless of the TiO2 employed. Free TiO2 is inactive whereas unsupported NiO is active and unselective (forming mainly carbon dioxide) and, therefore, unmodified NiO particles have to be avoided in order to obtain the optimal catalytic performance. The use of low surface area titania (11 m(2) g(-1)) have led to the lowest selectivity to olefin due to the presence of an excess of free NiO particles. (C) 2017 Elsevier B.V. All rights reserved. es_ES
dc.description.sponsorship The authors would like to acknowledge the DGICYT in Spain CTQ2012-37925-C03-2, CTQ2015-68951-C3-1-R, CTQ2015-68951-C3-3-R and SEV-2012-0267 Projects for financial support. D.D. also thanks Severo Ochoa Excellence fellowship (SVP-2014-068669). We also thank the University of Valencia (UV-INV-AE-16-484416 project) and SCSIE-UV for assistance es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation MINECO/CTQ2015-68951-C3-3-R es_ES
dc.relation MINECO/SVP-2014-068669 es_ES
dc.relation MINISTERIO DE ECONOMIA Y COMPETITIVIDAD/SEV-2012-0267 es_ES
dc.relation MINECO/CTQ2012-37925-C03-2 es_ES
dc.relation UV/UV-INV-AE-16-484416 es_ES
dc.relation CTQ2015-68951-C3-1-R es_ES
dc.relation.ispartof Applied Catalysis A General es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject NiO diluted in TiO2 es_ES
dc.subject Nickel oxide catalysts es_ES
dc.subject Oxidative dehydrogenation of ethane es_ES
dc.subject Ethylene es_ES
dc.subject (ODH) es_ES
dc.subject Surface coverage es_ES
dc.subject Titanium oxide es_ES
dc.title NiO diluted in high surface area TiO2 as efficient catalysts for the oxidative dehydrogenation of ethane es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.apcata.2017.02.012 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 Sanchis, R.; Delgado-Muñoz, D.; Agouram, S.; Soriano Rodríguez, MD.; Vázquez, MI.; Rodriguez-Castellon, E.; Solsona, B.... (2017). NiO diluted in high surface area TiO2 as efficient catalysts for the oxidative dehydrogenation of ethane. Applied Catalysis A General. 536:18-26. https://doi.org/10.1016/j.apcata.2017.02.012 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.apcata.2017.02.012 es_ES
dc.description.upvformatpinicio 18 es_ES
dc.description.upvformatpfin 26 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 536 es_ES
dc.relation.pasarela S\333959 es_ES
dc.contributor.funder Universitat de València es_ES
dc.contributor.funder MINISTERIO DE ECONOMIA Y COMPETITIVIDAD es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES


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