Artículo
Support Effects on NiO-based Catalysts for the Oxidative Dehydrogenation (ODH) of Ethane
Autor/es | Delgado, D.
Sanchís, R. Cecilia, J. A. Caballero Martínez, Alfonso Solsona, B. López Nieto, J. M. |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2019 |
Fecha de depósito | 2024-01-31 |
Publicado en |
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Resumen | We report on the effect of NiO-support interactions on the chemical nature of Ni species in a series of supported NiO catalysts for the ODH of ethane. SiO2, TiO2-anatase, a high surface area TiO2 and a porous clay ... We report on the effect of NiO-support interactions on the chemical nature of Ni species in a series of supported NiO catalysts for the ODH of ethane. SiO2, TiO2-anatase, a high surface area TiO2 and a porous clay heterostructure (PCH) with TiO2 and SiO2 pillars were used as supports, which led to a selectivity to ethylene in the range 30–90% over supported NiO catalysts. The catalysts were characterized by means of XRD, N2-Adsorption, H2-TPR, XPS and in situ (under H2 reductive atmosphere) and ex situ XAS spectroscopy. The catalytic performance of supported materials is discussed in terms of their reducibility and specific reduction kinetics, but also taking into account the specific chemical nature of Ni species on each catalyst. The influence of the particle size and the presence of Ni and O vacancies on the catalytic performance in the ODH of ethane is inferred. |
Agencias financiadoras | Gobierno de España ALBA Synchrotron Light Source Severo Ochoa Excellence Program |
Identificador del proyecto | CTQ2015-68951-C3-1-R
CTQ2015-68951-C3-3-R CTQ2012-37925-C03-2 ENE2017-88818-C2-1-R MAT2017-84118-C2-1-R SEV-2016-0683 2015021258 SVP-2014-068669 |
Cita | Delgado, D., Sanchís, R., Cecilia, J.A., Caballero Martínez, A., Solsona, B. y López Nieto, J.M. (2019). Support Effects on NiO-based Catalysts for the Oxidative Dehydrogenation (ODH) of Ethane. Catalysis Today, 333, 10-16. https://doi.org/10.1016/j.cattod.2018.07.010. |
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