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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Royer, Sebastien
University of the Littoral Opal Coast
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Properties evolution of LaCoO 3 Perovskite synthesized by reactive grinding - Application to the toluene oxidation reactioncitations
- 2024Nanostructured viologen-phosphate bridged titanium dioxide frameworks: Tuning thermal growth for improving supercapacitancecitations
- 2023New insights on the catalytic reductive amination of hydroxyacetone amination over RUWXC/AC Catalyst
- 2023Shaping MOF oxime oxidation catalysts as three-dimensional porous aerogels through structure-directing growth inside chitosan microspherescitations
- 2023Cellulose conversion to glycols over DUT-8(Ni) derived nickel-tungsten/carbons: selectivity tuning.
- 2023Boron nitride embedded in chitosan hydrogel as a hydrophobic, promising metal-free, sustainable antibacterial materialcitations
- 2022Water-Based Synthesis of Zr6-Based Metal–Organic Framework Nanocrystals with Sulfonate Functions: Structural Features and Application to Fructose Dehydrationcitations
- 2022Shaping MOF oxime oxidation catalysts as three-dimensional porous aerogels through structure-directing growth inside chitosan microspherescitations
- 2020MnOx-loaded mesoporous silica for the catalytic oxidation of formaldehyde. Effect of the melt infiltration conditions on the activity - stability behaviorcitations
- 2020Interactions Between Topological Defects and Nanoparticlescitations
- 2020Reactive grinding synthesis of la(sr,ce)coo3 and their properties in toluene catalytic total oxidationcitations
- 2014Efficient and Robust Reforming Catalyst in Severe Reaction Conditions by Nanoprecursor Reduction in Confined Spacecitations
- 2014Mixed-phase TiO2 photocatalysts: Crystalline phase isolation and reconstruction, characterization and photocatalytic activity in the oxidation of 4-chlorophenol from aqueous effluentscitations
- 2012Selective hydrogenation of citral to unsaturated alcohols over mesoporous Pt/Ti-Al2O3 catalysts. Effect of the reduction temperature and of the Ge additioncitations
- 2011Catalytic performances of large pore Ti-SBA15 supported Pt nanocomposites for the citral hydrogenation reaction citations
- 2010Control of titania nanodomain size as a route to modulate SMSI effect in Pt/TiO2 catalystscitations
Places of action
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article
Selective hydrogenation of citral to unsaturated alcohols over mesoporous Pt/Ti-Al2O3 catalysts. Effect of the reduction temperature and of the Ge addition
Abstract
Pt/y%Ti-Al2O3 (y corresponding to the atomic percent of Ti in alumina, in the range 10-33%), and derived bimetallic Pt-Ge/10%Ti-Al2O3 nanocomposite catalysts were synthesized, characterized, and reduced either at 300 degrees C and 500 degrees C (this latter temperature being performed in order to generate strong metal-support interactions, i.e. a SMSI effect). The materials were characterized in detail with techniques including elemental analysis, X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and nitrogen physisorption to evaluate their structural and textural properties. Due to the templating approach used, well-defined mesopore structures with high surface areas and mesopore volumes are obtained for all materials. The SMSI effect, evaluated using a structure insensitive model reaction, i.e. the cyclohexane dehydrogenation, is observed to be more pronounced on the Pt/y%Ti-Al2O3 catalysts with y = 20 and 33% than on a Pt/TiO2 P25 (Degussa P25 titania) sample, showing the beneficial effect of Ti fine dispersion through incorporation in alumina matrix on the generated metal-support interaction. During citral hydrogenation reaction, the selectivity toward unsaturated alcohols (UA: nerol and geraniol) is related to Ti and/or Ge loadings on the nanocomposite, as well as reduction temperature. Both SMSI effect and Ge addition promote the UA selectivity leading to similar values than on Pt/TiO2 P25 sample. (C) 2011 Elsevier B.V. All rights reserved.