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Studies in Surface Science and Catalysis | 1997

Oxidation of n-pentane to phthalic or maleic anhydride: The role of the VPO catalyst structural disorder

Z. Sobalik; S. Gonzalez; Patricio Ruiz; Bernard Delmon

Vanadium phosphate catalysts are obtained from precursors prepared by a two-step synthesis. In the first step, a VOPO4-mixed isobutanol-water intercalate was obtained by precipitation from a solution containing vanadyl isobutoxide, K3PO4 and carefully adjusted water content (precursor A). In the second step, precursor B was formed by reflux of precursor A in (i) an inert (n-octane) or (ii) reductive (isobutanol) medium. By such a procedure, precursors and catalysts (with P/V atomic ratio equal to 1.05) displaying widely different structural defects (XRD, IR) were prepared. Catalysts were tested in the oxidation of n-pentane into maleic (AM) and phthalic (PA) anhydrides. Formation of PA demands a highly ordered structure, while AM could be formed on a highly defective VPO catalyst.


Archive | 2014

Special Issue : B. Delmon Honor Special Issue

Eric M. Gaigneaux; Patricio Ruiz


XXIII Congreso Iberoamericano de Catalisis | 2012

Estudio de la influencia del tamaño de las nanopartículas de Rh en el mecanismo de reacción de hidrogenación de CO2 a baja temperatura sobre catalizadores Rh/TiO2

Alejandro Karelovic Burotto; Patricio Ruiz


5ème Conférence Francophone sur les Spectroscopies d'Electrons | 2012

Caractérisation des nanoparticules de cuivre supportées utilisées pour l’hydrogénation de CO2 en méthanol.

Alejandro Karelovic Burotto; Alice Bargibant; Patricio Ruiz


4th Intl Congress on Operando Spectroscopy | 2012

Mechanistic aspects of CO2 hydrogenation at low temperature over Rh catalysts studied by Operando-DRIFTS.

Alejandro Karelovic Burotto; Eric M. Gaigneaux; Patricio Ruiz


243rd National spring meeting of the American Chemical Society ; Symposium on Ionic Liquids: Science and Applications | 2012

Preparation of TiO2 supported bimetallic Pd-Pt nanoparticles exhibiting catalytic synergy at low temperature

Víctor G. Baldovino-Medrano; Glenn Pollefeyt; Isabel Van Driessche; Eric M. Gaigneaux; Patricio Ruiz; Robert Wojcieszak


15th International Congress on Catalysis | 2012

Understanding the reaction mechanism and the role of Rh nanoparticles in the CO2 hydrogenation to methane at low temperature

Alejandro Karelovic Burotto; Colas Swalus; Patricio Ruiz


International Symposium on Advanced Complex Inorganic Nanomaterials - ACIN2011 | 2011

Role of the chemical state of Rh supported nanoparticles in low temperature CO2 methanation

Alejandro Karelovic; Patricio Ruiz


11th Conference on Carbon Dioxide Utilization - ICCDU XI | 2011

Catalytic CO2 methanation at low temperature: a real alternative to control carbon dioxide emissions

Alejandro Karelovic; Colas Swalus; Antoine Beuls; Patricio Ruiz


XXII Congreso Iberoamericano de Catalisis | 2010

Bases para el desarollo de procesos cataliticos heterogeneos en fase gaseosa con 100% de selectividad

Alejandro Karelovic; Antoine Beuls; Patricio Ruiz

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Bernard Delmon

Université catholique de Louvain

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Michel Devillers

Université catholique de Louvain

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Eric M. Gaigneaux

Université catholique de Louvain

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Andréa Maione

Université catholique de Louvain

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Alejandro Karelovic Burotto

Université catholique de Louvain

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Françoise Alardin

Université catholique de Louvain

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