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Effect of transition metal impregnation on oxidative regeneration of activated carbon by catalytic wet air oxidation

Benhamed, Imane and Barthe, Laurie and Kessas, Rachid and Julcour-Lebigue, Carine and Delmas, Henri Effect of transition metal impregnation on oxidative regeneration of activated carbon by catalytic wet air oxidation. (2016) Applied Catalysis B: Environmental, 187. 228-237. ISSN 0926-3373

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Official URL: https://doi.org/10.1016/j.apcatb.2016.01.016

Abstract

Impregnation of a commercial activated carbon (AC) with transition metals was investigated to extend its reuse as phenol adsorbent after regeneration by catalytic wet air oxidation (CWAO). Iron and copper catalysts were prepared with varied metal dispersions and oxidation states by using different heat treatments. The main feature of the iron catalysts was to reduce the phenol oligomerization due to oxidative coupling, while the copper catalyst was prone to leaching promoting homogeneous reaction. However their regeneration efficiency was not significantly improved with respect to the starting AC due to an increased adverse effect of CWAO itself on their adsorptive properties.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université des Sciences et de la Technologie Mohamed Boudiaf d'Oran - USTO (ALGERIA)
Laboratory name:
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Deposited By: Carine JULCOUR LEBIGUE
Deposited On:20 Sep 2018 13:40

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