Search Results - "Laguna, O.H."

A review on additive manufacturing and materials for catalytic applications: Milestones, key concepts, advances and perspectives by Laguna, O.H., Lietor, P.F., Godino, F.J. Iglesias, Corpas-Iglesias, F.A.

“…[Display omitted] •Process intensification: the link for merging catalysis and additive manufacturing.•Since 2015 patents and scientific papers on this topic…”
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Does shaping catalysts modify active phase sites? A comprehensive in situ FTIR spectroscopic study on the performance of a model Ru/Al2O3 catalyst for the CO methanation by Bobadilla, L.F., Muñoz-Murillo, A., Laguna, O.H., Centeno, M.A., Odriozola, J.A.

“…•Structural modifications take place in the catalyst during the slurry preparation.•The presence of additives provokes a surface structural reorganization…”
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WGS and CO-PrOx reactions using gold promoted copper-ceria catalysts: “Bulk CuO CeO2 vs. CuO CeO2/Al2O3 with low mixed oxide content” by Reina, T.R., Ivanova, S., Laguna, O.H., Centeno, M.A., Odriozola, J.A.

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Oxidation of CO over gold supported on Zn-modified ceria catalysts by Laguna, O.H., Centeno, M.A., Romero-Sarria, F., Odriozola, J.A.

“…There is formation of a monolayer of ZnO growing epitaxially on the CeO 2 (1 1 1) surface. At higher ZnO loadings, ZnO islands start to grow on top of the…”
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Gold supported on metal-doped ceria catalysts (M = Zr, Zn and Fe) for the preferential oxidation of CO (PROX) by Laguna, O.H., Romero Sarria, F., Centeno, M.A., Odriozola, J.A.

“…The doping CeO 2 with Zr, Zn and Fe was studied. Doping with Zr or Fe resulted in solid solution, while doping with Zn resulted in the surface segregation of…”
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Structuring Pt/CeO2/Al2O3 WGS catalyst: Introduction of buffer layer by González-Castaño, M., Ivanova, S., Laguna, O.H., Martínez T., L.M., Centeno, M.A., Odriozola, J.A.

“…[Display omitted] •Novel structured catalyst design – micromonolithic advantages combined with water splitting promotion.•Buffer layer incorporation for…”
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Au-supported on Fe-doped ceria solids prepared in water-in-oil microemulsions: Catalysts for CO oxidation by Laguna, O.H., Centeno, M.A., Boutonnet, M., Odriozola, J.A.

“…[Display omitted] •Fe-Ce mixed oxides obtained by microemulsions and used as supports for Au clusters.•Not all oxygen vacancies vanish after the deposition of…”
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Phosphate-type supports for the design of WGS catalysts by Navarro-Jaén, S., Romero-Sarria, F., Centeno, M.A., Laguna, O.H., Odriozola, J.A.

“…[Display omitted] •Phosphate-type supports can interact with water even at high temperatures.•Their structural, textural and surface properties determine the…”
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Microreactors technology for hydrogen purification: Effect of the catalytic layer thickness on CuOx/CeO2-coated microchannel reactors for the PROX reaction by Laguna, O.H., González Castaño, M., Centeno, M.A., Odriozola, J.A.

“…The catalytic layer thickness of microreactors must be optimized in order to enhance the heat and mass transport during the PROX reaction, allowing a more…”
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Iron-modified ceria and Au/ceria catalysts for Total and Preferential Oxidation of CO (TOX and PROX) by Laguna, O.H., Centeno, M.A., Arzamendi, G., Gandía, L.M., Romero-Sarria, F., Odriozola, J.A.

“…Iron-modified ceria supports containing different molar percentages of Fe (0%, 10%, 25%, and 50%) were synthesized by thermal decomposition of the metal…”
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Forced deactivation and postmortem characterization of a metallic microchannel reactor employed for the preferential oxidation of CO (PROX) by Laguna, O.H., Domínguez, M.I., Centeno, M.A., Odriozola, J.A.

“…After a prolonged study of the catalytic activity of a microreactor employed for the PROX reaction, the postmortem characterization was carried out. Several…”
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Gold supported on CuOx/CeO2 catalyst for the purification of hydrogen by the CO preferential oxidation reaction (PROX) by Laguna, O.H., Hernández, W.Y., Arzamendi, G., Gandía, L.M., Centeno, M.A., Odriozola, J.A.

“…The deposition of Au (1wt.%) over a CuOx–CeO2 is beneficial for the total (TOX) and preferential (PROX) CO oxidation reactions due to the improvement of the CO…”
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Preferential oxidation of CO (CO-PROX) over CuOₓ/CeO₂ coated microchannel reactor by Laguna, O.H, Ngassa, E.M, Oraá, S, Álvarez, A, Domínguez, M.I, Romero-Sarria, F, Arzamendi, G, Gandía, L.M, Centeno, M.A, Odriozola, J.A

“…The general aspects of the synthesis and characterization results of a CuOₓ/CeO₂ catalyst were presented. In addition the principal steps for manufacturing a…”
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Synergy between gold and oxygen vacancies in gold supported on Zr-doped ceria catalysts for the CO oxidation by Laguna, O.H., Pérez, A., Centeno, M.A., Odriozola, J.A.

“…[Display omitted] •Solid solution formation was established for all the Zr-doped systems.•The oxygen vacancies population increases with the amount of…”
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Influence of the O2/CO ratio and the presence of H2O and CO2 in the feed-stream during the preferential oxidation of CO (PROX) over a CuOx/CeO2-coated microchannel reactor by Laguna, O.H., Domínguez, M.I., Oraá, S., Navajas, A., Arzamendi, G., Gandía, L.M., Centeno, M.A., Montes, M., Odriozola, J.A.

“…CuOx/CeO2 coated microchannel reactor presented a very a good performance with a superior selectivity for CO conversion than that of the powder catalyst. This…”
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Preferential oxidation of CO over Au/CuOx–CeO2 catalyst in microstructured reactors studied through CFD simulations by Uriz, I., Arzamendi, G., Diéguez, P.M., Laguna, O.H., Centeno, M.A., Odriozola, J.A., Gandía, L.M.

“…Microchannel reactors allow virtually isothermal CO-PROX operation within the window leading to less than 10ppm CO. •Gold supported on CuOx–CeO2 is an…”
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Design and testing of a microchannel reactor for the PROX reaction by Cruz, S., Sanz, O., Poyato, R., Laguna, O.H., Echave, F.J., Almeida, L.C., Centeno, M.A., Arzamendi, G., Gandia, L.M., Souza-Aguiar, E.F., Montes, M., Odriozola, J.A.

“…The different steps for manufacturing a microchannel reactor for the PROX reaction are discussed. Transient Liquid Phase bonding (TLP) using a Ni–B–Si…”
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Fe-doped ceria solids synthesized by the microemulsion method for CO oxidation reactions by Laguna, O.H., Centeno, M.A., Boutonnet, M., Odriozola, J.A.

“…The synthesis of Fe-doped ceria oxides was carried out by microemulsions method, employing different Fe atomic percentages (at.%). The 10at.% Fe allows…”
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Process design and utilisation strategy for CO2 capture in flue gases. Technical assessment and preliminary economic approach for steel mills by Navarro, J.C., Baena-Moreno, F.M., Centeno, M.A., Laguna, O.H., Almagro, J.F., Odriozola, J.A.

“…The steel industry is the most relevant sector in emerging economies due to its application in numerous fields. However, steel manufacturing involves large…”
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WGS and CO-PrOx reactions using gold promoted copper-ceria catalysts: “Bulk CuOCeO2vs. CuOCeO2/Al2O3 with low mixed oxide content” by Reina, T.R., Ivanova, S., Laguna, O.H., Centeno, M.A., Odriozola, J.A.

“…[Display omitted] •CuOCeO2 bulk comparison to CuOCeO2/Al2O3 in the WGS and CO-PrOx.•WGS more sensitive than PrOx to catalysts structure and Cu/Ce ratio.•Minor…”
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