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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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Especel, Catherine
University of Poitiers
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2015Hydrocarbon fuel synthesis from sorbitol over bifunctional catalysts: Association of tungstated titania with platinum, palladium or iridiumcitations
- 2015Selective ring opening of methylcyclohexane and decalin over Rh-Pd supported catalysts: Effect of the preparation methodcitations
- 2012Selective hydrogenation of citral to unsaturated alcohols over mesoporous Pt/Ti-Al2O3 catalysts. Effect of the reduction temperature and of the Ge additioncitations
- 2012Citral hydrogenation on high surface area mesoporous TiO2-SiO2 supported Pt nanocomposites: Effect of titanium loading and reduction temperature on the catalytic performancescitations
- 2011The relationship between the structural properties of bimetallic Pd-Sn/SiO2 catalysts and their performance for selective citral hydrogenation citations
- 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
- 2006Bimetallic Rh-Ge and Pt-Ge catalysts supported on TiO2 for citral hydrogenation I. Preparation and characterization of the catalysts citations
Places of action
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article
Citral hydrogenation on high surface area mesoporous TiO2-SiO2 supported Pt nanocomposites: Effect of titanium loading and reduction temperature on the catalytic performances
Abstract
Platinum-based catalysts supported on TiO2-modified mesostructured silica were prepared using the direct co-condensation of silica and titania precursors to synthesize the mixed-oxide support. The physico-chemical properties of the Pt/xTi-SBA15 samples with various xTi contents (in mol%) were further evaluated using several techniques, including elemental analysis, X-ray diffraction, N-2-physisorption, H-2-chemisorption, transmission electronic microscopy and the probe reaction of cyclohexane dehydrogenation to evaluate the metal-support interaction (SMSI effect). All the Pt/xTi-SBA15 samples display high specific surface areas (650-820 m(2) g(-1)) and high mesopore volumes (0.44-0.68 cm(3) g(-1)), with the formation of TiO2 anatase nanoparticles since the low titanium content, i.e. 2 mol%. The hexagonal organized pore structure of SBA silica is also strongly altered by the titanium adding, but mixed oxides so obtained present very particular morphology with maintaining of high surface areas.