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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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Psaro, R.
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Publications (5/5 displayed)
- 2015Platinum on carbonaceous supports for glycerol hydrogenolysis: Support effectcitations
- 2014Hierarchical hematite nanoplatelets for photoelectrochemical water splittingcitations
- 2014Hierarchical hematite nanoplatelets for photoelectrochemical water splittingcitations
- 2008Supported Rh catalysts for methane partial oxidation prepared by OM-CVD of Rh(acac)(CO)2citations
- 2005Structural and morphological investigation of ceria-promoted Al2O3 support under severe reducing/oxidizing conditionscitations
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article
Platinum on carbonaceous supports for glycerol hydrogenolysis: Support effect
Abstract
Metal vapor synthesis (MVS) technique was applied to generate Pt-nanoparticles of different size (<1.3 nm and 2.5 nm) deposited onto carbonaceous supports, mainly characterized by a different surface area. The supported catalysts were employed in the glycerol hydrogenolysis reaction carried out under basic reaction conditions at 433 and 453 K to obtain 1,2-propanediol as the main liquid product. Comparison of the composition of the liquid- and gas-phase products obtained by the different catalysts showed a clear dependence of aqueous-phase reforming, water-gas shift reaction activity as well as 1,2-propanediol chemoselectivity on the degree of Pt-sintering occurring on different carbon supports. High-resolution transmission electron microscopic and X-ray powder diffraction studies carried out on as-synthesized and recovered heterogeneous catalysts provided clear evidences that a high surface area carbon support, such as Ketjen Black EC-600JD, notably retards nanoparticle aggregation.