Abstract

Metal loaded Ti-PILCs have been used as catalysts for the selective reduction of NO by propylene. Cu, Ni, and Fe ion exchanged Ti-PILCs were prepared. The influence of the metal loading was studied. When the metal loading increases, the catalytic activity also increases reaching a maximum of NO conversion and then decreased. Cu-TiPILs exhibited the highest NO conversion. Cu-PILCs prepared by impregnation were compared with those prepared by ion exchange. In general the ion exchange method resulted to be more adequate for the preparation of the catalyst. The presence of Cu 2+ species in the ion-exchanged samples could be the responsible of this behaviour.

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