CATALYST COMPRISING A MIXTURE OF AN AFX-STRUCTURE ZEOLITE AND A BEA-STRUCTURE ZEOLITE AND AT LEAST ONE TRANSITION METAL FOR SELECTIVE REDUCTION OF NOX

摘要

The invention relates to a catalyst comprising a mixture of AFX-structure and BEA-structure zeolites and at least one additional transition metal, to the process for preparing same and to the use thereof for the selective catalytic reduction of NOx in the presence of a reducing agent such as NH₃ or H₂.