Effect of Ce Addition on MgAl Mixed Oxides for the Total Oxidation of CO and Toluene
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VOC and CO constitute the principal emission during cold-start of vehicles. In order to decrease this emission at low temperature, this study focuses on the development of new catalysts: MgAlCe mixed oxides issued from the calcination of hydrotalcite precursors. Addition of cerium on the MgAl solid increase the reducibility of catalysts inducing a better catalytic reactivity for the CO and toluene total oxidation. Moreover, toluene oxidation is facilitated at low temperature due to a beneficial effect of CO in the reaction mixture.
KeywordsToluene Carbon monoxide Catalytic oxidation Mixed oxide Cerium
The University of Littoral – Côte d’Opale (ULCO), and the Pôle Métropolitain de la Côte d’Opale (PMCO) are gratefully acknowledged for research fellowship. The Interreg V project “DepollutAir” (France, Wallonie, Flandres) funded by the European Union is also gratefully acknowledged for financial support. The authors would also like to thank Dr Karine Deboudt and Dr Xavier Secordel for SEM analysis.
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