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Catalysts 2018, 8(2), 64; doi:10.3390/catal8020064

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

1
Unité de Chimie Environnementale et Interactions sur le Vivant, Université du Littoral Côté d’Opale, MREI1—145 Avenue Maurice Schumann, 59140 Dunkerque, France
2
Chemical Physics of Materials and Catalysis, Université Libre de Bruxelles, Faculty of Sciences, Campus Plaine CP 243, 1050 Brussels, Belgium
3
Centre Commun de Mesures, Université du Littoral Côté d’Opale, MREI1—145 Avenue Maurice Schumann, 59140 Dunkerque, France
4
Faculté Polytechnique de Mons, Université de Mons, 20 Place du Parc, B-7000 Mons, Belgium
*
Authors to whom correspondence should be addressed.
Received: 15 December 2017 / Revised: 1 February 2018 / Accepted: 1 February 2018 / Published: 6 February 2018
(This article belongs to the Special Issue New Concepts in Oxidation Processes)
View Full-Text   |   Download PDF [2744 KB, uploaded 7 February 2018]   |  

Abstract

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-Al2O3, Pd/HY, Pd/CeO2 and Pd/γ­Al2O3. 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. View Full-Text
Keywords: mixed oxide catalyst; VOCs; byproducts; BTEX; catalytic total oxidation; CoAlCeO mixed oxide catalyst; VOCs; byproducts; BTEX; catalytic total oxidation; CoAlCeO
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Brunet, J.; Genty, E.; Barroo, C.; Cazier, F.; Poupin, C.; Siffert, S.; Thomas, D.; De Weireld, G.; Visart de Bocarmé, T.; Cousin, R. The CoAlCeO Mixed Oxide: An Alternative to Palladium-Based Catalysts for Total Oxidation of Industrial VOCs. Catalysts 2018, 8, 64.

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