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Article Dans Une Revue Catalysts Année : 2018

The CoAlCeO Mixed Oxide: An Alternative to Palladium-Based Catalysts for Total Oxidation of Industrial VOCs

Cédric Barroo
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Fabrice Cazier
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Diane Thomas
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Guy de Weireld
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Thierry Visart de Bocarmé
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Résumé

Catalytic total oxidation is an effective technique for the treatment of industrial VOCs principally resulting from industrial processes using solvents, and usually containing mono-aromatics (BTEX) and oxygenated compounds (acetone, ethanol, butanone). The catalytic total oxidation of VOCs on noble metal materials is effective. However, the cost of catalysts is a main obstacle for the industrial application of these VOC removal processes. Therefore, the aim of this work is to propose an alternative material to palladium-based catalysts (which are suitable for VOCs' total oxidation): a mixed oxide synthesized in the hydrotalcite way, namely CoAlCeO. This material was compared to four catalytic materials containing palladium, selected according to the literature: Pd/α-Al 2 O 3 , Pd/HY, Pd/CeO 2 and Pd/γAl 2 O 3. These materials have been studied for the total oxidation of toluene, butanone, and VOCs mixtures. Catalysts' performances were compared, taking into account the oxidation byproducts emitted from the process. This work highlight that the CoAlCeO catalyst presents better efficiency than Pd-based materials for the total oxidation of a VOCs mixture.
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Dates et versions

hal-04168622 , version 1 (21-07-2023)

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Julien Brunet, Eric Genty, Cédric Barroo, Fabrice Cazier, Christophe Poupin, et al.. The CoAlCeO Mixed Oxide: An Alternative to Palladium-Based Catalysts for Total Oxidation of Industrial VOCs. Catalysts, 2018, 8 (2), pp.64. ⟨10.3390/catal8020064⟩. ⟨hal-04168622⟩
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