CATALYST COMPRISING A MIXTURE OF AFX STRUCTURAL TYPE ZEOLITE AND A BEA STRUCTURAL TYPE ZEOLITE AND AT LEAST ONE TRANSITION METAL FOR SELECTIVE NOX REDUCTION

摘要

The invention relates to a catalyst comprising a mixture of zeolites of structural type AFX and structural type BEA and at least one additional transition metal, its method of preparation and its use for the selective catalytic reduction of NOx in the presence of a reducing agent such as than NH3 or H2.