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Listar por autor "Caballero Martínez, Alfonso"
Mostrando ítems 1-20 de 29
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Artículo
Bimetallic Ni-Co/SBA-15 catalysts for reforming of ethanol: How cobalt modifies the nickel metal phase and product distribution
Rodríguez Gómez, Alberto; Caballero Martínez, Alfonso (Elsevier, 2018)In this study, five mono and bimetallic xNi-(10-x)Co/SBA-15 catalysts (x = 10, 8, 5, 2 and 0, with a total metallic content ...
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Catalytic performance of cobalt supported onto APTES functionalized TiO2 for Fischer-Tropsch reaction
Platero Moreno, Francisco Jesús; Caballero Martínez, Alfonso; Colón Ibáñez, Gerardo (Science, 2023)Cobalt supported TiO2 catalysts have been prepared by wet-impregnation and by immobilization over APTES (3-aminopropyl ...
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Characterization of Re-Mo/ZSM-5 Catalysts: How Re Improves the Performance of Mo in the Methane Dehydroaromatization Reaction
López Martín, Angeles María; Sini, M. F.; Cutrufello, M. G.; Caballero Martínez, Alfonso; Colón, G. (Elsevier, 2022)In this study, the promoting effect of rhenium addition as a co-dopant on Mo/ZSM-5 catalysts system has been analysed. ...
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Artículo
Cobalt Stabilization through Mesopore Confinement on TiO2 Support for Fischer−Tropsch Reaction
Platero Moreno, Francisco Jesús; Todorova, S.; Aoudjera, L.; Michelin, L.; Lebeau, B.; Blin, J. L.; Holgado, J.P.; Caballero Martínez, Alfonso; Colón, G. (American Chemical Society, 2023)Cobalt supported on mesostructured TiO2 catalysts has been prepared by a wet-impregnation method. The Co/TiO2 catalytic ...
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Tesis Doctoral
Desarrollo de sistemas catalíticos mesoporosos nanoestructurados para la producción de hidrógeno y la síntesis directa de agua oxigenada.
Rodríguez Gómez, Alberto (2018-03-16)En las últimas décadas, el desarrollo de sistemas nanoparticulados y su uso como catalizadores ha supuesto un gran avance ...
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Tesis Doctoral
Efecto del Cloro en la formación de fases mixtas PtRe en catalizadores de reformado PtRe/Al2O3
Caballero Martínez, Alfonso (1991)El presente estudio se ha centrado, fundamentalmente, en la caracterización de las fases existentes en diversos caralizadores ...
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Artículo
Effect of thermal treatments on the catalytic behaviour in the CO preferential oxidation of a CuO-CeO2-ZrO2 catalyst with a flower-like morphology
Moretti, Elisa; Storaro, Loretta; Talon, Aldo; Lenarda, Maurizio; Riello, Piero; Frattini, Romana; Martínez de Yuso, María del Valle; Jiménez López, Antonio; Rodríguez Castellón, Enrique; Ternero Fernández, Fátima; Caballero Martínez, Alfonso; Holgado Vázquez, Juan Pedro (Elsevier, 2011)A Ce-Zr-Cu oxide system with a flower-like morphology was prepared by a slow co-precipitation method in the absence of any ...
- Tesis Doctoral
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Artículo
Elucidating the Promotional Effect of Cerium in the Dry Reforming of Methane
Rodríguez Gómez, Alberto; López Martín, Ángeles; Ramírez, Adrián; Gascón, Jorge; Caballero Martínez, Alfonso (Wiley-Blackwell, 2021)A series of Ni-Ce catalysts supported on SBA-15 has been prepared by co-impregnation, extensively characterized and evaluated ...
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Tesis Doctoral
Estudio de sistemas catalíticos basados en zro2, para la reducción catalítica selectiva de nox, usando hidrocarburos como agentes reductores
Cordón Rodríguez, Ana María (2006-06-12) -
Tesis Doctoral
Estudio del sistema CuOx/ZrO2 en procesos de eliminación catalítica de óxidos de nitrógeno
Morales Domingo, José Jorge (2005-03-04)En el presente capítulo se ha intentado reflejar el amplio marco de técnicas y procesos químicos existentes para el ...
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Artículo
In situ spectroscopic detection of SMSI effect in a Ni/CeO2 system: Hydrogen-induced burial and dig out of metallic nickel
Caballero Martínez, Alfonso; Holgado, Juan Pedro; González de la Cruz, Víctor M.; Habas, Susan E.; Herranz, Tirma; Salmeron, Miquel (Royal Society of Chemistry, 2010)In situ APPES technique demonstrates that the strong metal support interaction effect (SMSI) in the Ni-ceria system is ...
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Artículo
Influence of Al2O3 reinforcement on precipitation kinetic of Cu-Cr nanocomposite
Sheibani, S.; Ataie, A.; Heshmati-Manesh, S.; Caballero Martínez, Alfonso; Criado Luque, José Manuel (Elsevier, 2011)In this paper, the kinetic of precipitation process in mechanically alloyed Cu-1 wt.% Cr and Cu-1 wt.% Cr/3 wt.% Al2O3 ...
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Methanation of CO2 over High Surface Nickel/Aluminates Compounds Prepared by a Self-Generated Carbon Template
Roudane, Sarra; Bettahar, Noureddin; Caballero Martínez, Alfonso; Holgado, Juan Pedro (Multidisciplinary Digital Publishing Institute (MDPI), 2023)Catalytic gas-phase hydrogenation of CO2 into CH4 was tested under three different nickel/aluminate catalysts obtained ...
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Near-ambient X-ray photoemission spectroscopy and kinetic approach to the mechanism of carbon monoxide oxidation over lanthanum substituted cobaltites
Hueso Martos, José Luis; Martínez Martínez, D.; Caballero Martínez, Alfonso; Rodríguez González-Elipe, Agustín; Mun, B. S.; Salmeron, Miquel (Elsevier, 2009)We have studied the oxidation of carbon monoxide over a lanthanum substituted perovskite (La0.5Sr0.5CoO3-d) catalyst ...
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Artículo
Nickel Particles Selectively Confined in the Mesoporous Channels of SBA-15 Yielding a Very Stable Catalyst for DRM Reaction
Rodríguez Gómez, Alberto; Pereñíguez Rodríguez, Rosa María; Caballero Martínez, Alfonso (American Chemical Society, 2018)A series of four Ni catalysts supported on SBA-15 and on a high SiO2 surface area have been prepared by modified impregnation ...
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Artículo
Operando XAS and Raman study on the structure of a supported vanadium oxide catalyst during the oxidation of H2S to sulphur
Holgado Vázquez, Juan Pedro; Soriano, M. D.; Jiménez-Jiménez, J.; Concepción, P.; Jiménez-López, A.; Caballero Martínez, Alfonso; Rodríguez-Castellón, E.; López Nieto, J.M. (Elsevier, 2010)The modification of crystalline phases of a vanadium oxide supported on mesoporous zirconium phosphate during the partial ...
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Tesis Doctoral
Optimización de sistemas catalíticos de co activos para la síntesis de Fischer-Tropsch: efecto de la adición de un segundo metal, la estructuración del soporte y el anclaje del metal a la superficie
Platero Moreno, Francisco Jesús (2023-06-30)La actual situación energética mundial se encuentra en una clara etapa de transición. Actualmente el petróleo sigue siendo ...
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Artículo
Preferential oxidation of CO on a La-Co-Ru perovskite-type oxide catalyst
Pereñíguez Rodríguez, Rosa María; Caballero Martínez, Alfonso; Ferri, Davide (Elsevier, 2017)A Ru-containing perovskite-type oxide La(Co,Ru)O3 of nominal composition LaCo0.8Ru0.2O3 was prepared by ultrasonic spray ...
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Artículo
Preparation of nanostructured nickel aluminate spinel powder from spent NiO/Al2O3 catalyst by mechano-chemical synthesis
Nazemi, M. K.; Sheibani, S.; Rashchi, F.; González de la Cruz, Víctor Manuel; Caballero Martínez, Alfonso (Brill Academic Publishers, 2012)In this paper, the possibility of mechano-chemical synthesis, as a single step process for preparation of nanostructured ...