Search Results - "Martinez, Arias A."

Catalytic hydrogen production through WGS or steam reforming of alcohols over Cu, Ni and Co catalysts by Kubacka, A., Fernández-García, M., Martínez-Arias, A.

“…[Display omitted] •Review of WGS and reforming of oxygenated hydrocarbons over Cu, Ni and Co catalysts.•Microstructure/interfacial chemistry of the supported…”
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Structure/redox/activity relationships in CeO2/CuMn2O4 CO-PROX catalysts by Elmhamdi, A., Pascual, L., Nahdi, K., Martínez-Arias, A.

“…[Display omitted] •CeO2/CuMn2O4 catalysts with Ce loading between 5.0 and 80.0wt.% examined for CO-PROX.•Different crystal size of supported (partially doped…”
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Inverse CeO2/CuO Catalyst As an Alternative to Classical Direct Configurations for Preferential Oxidation of CO in Hydrogen-Rich Stream by Hornés, A, Hungría, A. B, Bera, P, Cámara, A. López, Fernández-García, M, Martínez-Arias, A, Barrio, L, Estrella, M, Zhou, G, Fonseca, J. J, Hanson, J. C, Rodriguez, J. A

“…A novel inverse CeO2/CuO catalyst for preferential oxidation of CO in H2-rich stream (CO-PROX) has been developed on the basis of a hypothesis extracted from…”
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Structure and activity of nanosized iron-doped anatase TiO2 catalysts for phenol photocatalytic degradation by Adán, C., Bahamonde, A., Fernández-García, M., Martínez-Arias, A.

“…A series of nanosized iron-doped anatase TiO2 catalysts with different iron content (between 0.4 and 5.1wt.%) has been prepared by a microemulsion method and…”
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Ethanol steam reforming on nanostructured catalysts of Ni, Co and CeO2: Influence of synthesis method on activity, deactivation and regenerability by Pinton, N., Vidal, M.V., Signoretto, M., Martínez-Arias, A., Cortés Corberán, V.

“…[Display omitted] •Synthesis by reverse microemulsions makes more efficient catalysts than impregnation.•Catalytic activity and stability depend on the metal…”
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Preferential oxidation of CO in excess H2 over CuO/CeO2 catalysts: Characterization and performance as a function of the exposed face present in the CeO2 support by Gamarra, D., Cámara, A. López, Monte, M., Rasmussen, S.B., Chinchilla, L.E., Hungría, A.B., Munuera, G., Gyorffy, N., Schay, Z., Corberán, V. Cortés, Conesa, J.C., Martínez-Arias, A.

“…Structure/activity relationships on the basis of multitechnique characterization and catalytic testing complemented by operando-DRIFTS analysis for the…”
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Novel manganese-promoted inverse CeO2/CuO catalyst: In situ characterization and activity for the water-gas shift reaction by López Cámara, A., Cortés Corberán, V., Martínez-Arias, A., Barrio, L., Si, R., Hanson, J.C., Rodriguez, J.A.

“…[Display omitted] •A CeO2/CuO catalyst doped with Mn exhibits enhanced WGS performance.•Behaviour of the CeO2/Mn-CuO catalyst was examined by operando-XRD and…”
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Synthesis, characterization and catalytic properties of La(Ni,Fe)O3–NiO nanocomposites by Djani, F., Omari, M., Martínez-Arias, A.

“…Nanocomposite structures involving LaNiO 3 perovskite partially substituted with iron and segregated NiO are synthesized by sol–gel method using citric acid as…”
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Ag promotion of TiO2-anatase disinfection capability: Study of Escherichia coli inactivation by Kubacka, A., Ferrer, M., Martínez-Arias, A., Fernández-García, M.

“…In this report we investigate the promotion of the TiO2-anatase disinfection capability by addition of silver. Ag–TiO2 systems were prepared by two different…”
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The water–gas shift reaction over CeO2/CuO: Operando SSITKA–DRIFTS–mass spectrometry study of low temperature mechanism by Cámara, A. López, Chansai, S., Hardacre, C., Martínez-Arias, A.

“…An inverse CeO2/CuO catalyst has been investigated by operando steady-state isotopic transient kinetic analysis (SSITKA) in combination with diffuse…”
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Influence of iron leaching and oxidizing agent employed on solar photodegradation of phenol over nanostructured iron-doped titania catalysts by Adán, C., Bahamonde, A., Oller, I., Malato, S., Martínez-Arias, A.

“…•Structure/activity relationships over nanostructured iron-doped titania photocatalysts for solar degradation of phenol.•Iron leaching shown to be most…”
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Redox-catalytic correlations in oxidised copper-ceria CO-PROX catalysts by Martínez-Arias, A., Gamarra, D., Fernández-García, M., Hornés, A., Bera, P., Koppány, Zs, Schay, Z.

“…Four nanostructured oxidised copper-cerium catalysts prepared by two different methods (impregnation of ceria and coprecipitation of the two components within…”
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Preferential oxidation of CO in rich H2 over CuO/CeO2: Details of selectivity and deactivation under the reactant stream by Martínez-Arias, A., Hungría, A.B., Munuera, G., Gamarra, D.

“…A CuO/CeO2 catalyst is examined with respect to its performance for preferential oxidation of CO in H2-rich streams. Catalytic activity results are explained…”
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Effect of calcination temperature on the structural characteristics and catalytic activity for propene combustion of sol–gel derived lanthanum chromite perovskite by Rida, K., Benabbas, A., Bouremmad, F., Peña, M.A., Sastre, E., Martínez-Arias, A.

“…A study of a sol–gel prepared lanthanum chromite perovskite catalyst following in detail the structural evolution as a function of the calcination steps…”
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Catalytic and redox properties of bimetallic Cu–Ni systems combined with CeO2 or Gd-doped CeO2 for methane oxidation and decomposition by Hornés, A., Bera, P., Fernández-García, M., Guerrero-Ruiz, A., Martínez-Arias, A.

“… A multitechnique approach is employed to identify active sites involved in methane oxidation and decomposition processes over catalysts of Cu–Ni combined…”
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Pulsed-reactant in situ studies of ceria/CuO catalysts using simultaneous XRD, PDF and DRIFTS measurements by Hanson, J.C., Si, R., Xu, W., Senanayake, S.D., Mudiyanselage, K., Stacchiola, D., Rodriguez, J.A., Zhao, H., Beyer, K.A., Jennings, G., Chapman, K.W., Chupas, P.J., Martínez-Arias, A.

“…•Redox of ceria/CuO determined with simultaneous XRD/DRIFTS pulsed gas techniques.•During oxidation of reduced ceria on Cu0, Ce3+?Ce4+ was seen before…”
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Improving the CO-PROX Performance of Inverse CeO2/CuO Catalysts: Doping of the CuO Component with Zn by Cámara, A. López, Corberán, V. Cortés, Barrio, L, Zhou, G, Si, R, Hanson, J. C, Monte, M, Conesa, J. C, Rodriguez, J. A, Martínez-Arias, A

“…An inverse CeO2/CuO catalyst in which the CuO component has been doped with Zn is examined in comparison with the analogous Zn-free catalyst with the aim of…”
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Optimization of H2O2 use during the photocatalytic degradation of ethidium bromide with TiO2 and iron-doped TiO2 catalysts by Carbajo, J., Adán, C., Rey, A., Martínez-Arias, A., Bahamonde, A.

“…[Display omitted] ▶ EtBr is eliminated by heterogenous photocatalysis with TiO2 and iron-doped TiO2. ▶ Acid/basic properties affected by iron presence are…”
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Nanosized Ti–V mixed oxides: Effect of doping level in the photo-catalytic degradation of toluene using sunlight-type excitation by Kubacka, A., Fuerte, A., Martínez-Arias, A., Fernández-García, M.

“…In this report we investigate the behavior of nanosized Ti–V mixed oxides with anatase structure in the photo-elimination of toluene using sunlight-type…”
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Effect of calcination temperature on structural properties and catalytic activity in oxidation reactions of LaNiO3 perovskite prepared by Pechini method by Rida, K., Peña, M.A., Sastre, E., Martinez-Arias, A.

“…The study presented the preparation of the perovskite oxide LaNiO3 by the complex citrate method, paying particular attention to evolution of its formation…”
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