Influence of CO addition on the toluene total oxidation over Co based mixed oxide catalysts

Genty, Eric; Brunet, Julien; Poupin, Christophe; Ojala, Satu; Siffert, Stéphane; Cousin, Renaud (2019-01-30)
 
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https://doi.org/10.1016/j.apcatb.2019.01.081

Genty, Eric
Brunet, Julien
Poupin, Christophe
Ojala, Satu
Siffert, Stéphane
Cousin, Renaud
Elsevier
30.01.2019

Eric Genty, Julien Brunet, Christophe Poupin, Satu Ojala, Stéphane Siffert, Renaud Cousin, Influence of CO addition on the toluene total oxidation over Co based mixed oxide catalysts, Applied Catalysis B: Environmental, Volume 247, 2019, Pages 163-172, ISSN 0926-3373, https://doi.org/10.1016/j.apcatb.2019.01.081

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© 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.
https://creativecommons.org/licenses/by-nc-nd/4.0/
doi:https://doi.org/10.1016/j.apcatb.2019.01.081
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Abstract

Hydrotalcite like compounds containing Co, Al and Ce were synthesized by co-precipitation. The mixed oxides obtained after calcination were characterized by several techniques: XRD, BET, H2-TPR and XPS. Activities of mixed oxides were evaluated in toluene total oxidation in presence or in absence of carbon monoxide. The benzene, benzyl alcohol and benzaldehyde are principal by-products observed during toluene oxidation in presence of CoAl(Ce) mixed oxides. Moreover, presence of carbon monoxide improves toluene total oxidation over CoAlCe mixed oxides. Stability of the two best catalytic materials has been tested in the two conditions and show no deactivation.

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