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- and BEA-structure zeolites and at least one additional transition metal, the preparation method thereof, and the use of same for the selective catalytic reduction of NOx in the presence of a reducing agent such as NH3 or H2.