Service Communautaire d'Information sur la Recherche et le Développement - CORDIS

Novel S-traps not containing noble metals

Novel S-traps not containing noble metals, but instead non-transition metals such as Cu, Ce, Mn in a structured or ordered oxide-type matrix have been developed and tested both under screening test conditions and under more realistic conditions simulating those of diesel car emissions.

The performances of these materials depend considerably on the method of preparation, but using suitable preparation procedures in order to tailor the pore structure and the catalyst-sorbent composition it is possible to obtain high performances equivalent to those of samples containing noble metals to promote the oxidation of SO2 to SO3.

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