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- Title
RECYCLAGE D'UN DÉCHET, UNE BOUE ROUGE, COMME CATALYSEUR POUR L'ÉLIMINATION DES COMPOSÉS ORGANIQUES VOLATILS.
- Authors
Lamonier, J. F.; Wyrwalski, F.; Leclercq, G.; Aboukaïs, A.
- Abstract
The catalytic potential of a red mud, a waste from alumina production, was evaluated for the oxidation of VOC, in particular toluene. When dried, it consists mainly of Al(OH)3 and Fe2O3. It was found that red mud calcination under an air stream at 500 °C leads to the formation of Al2O3 and Fe2O3, two oxides that are active and CO2 selective in the toluene oxidation reaction. The red mud activity can be correlated directly to the amount of iron in the sampling. Indeed, the chemical reaction specific rate (by gram of Fe2O3) in presence of red mud is similar to that observed in presence of a pure Fe2O3 iron oxide.
- Subjects
CATALYSTS; OXIDATION; FERRIC oxide; CHEMICAL processes; CHEMICAL reactions; METALLIC oxides; INDUSTRIAL chemistry
- Publication
Canadian Journal of Chemical Engineering, 2005, Vol 83, Issue 4, p737
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.5450830414