OXIDATION CATALYST Russian patent published in 2021 - IPC B01J23/40 B01J21/10 B01J37/02 B01D53/94 F01N3/35 

FIELD: filtration.

SUBSTANCE: invention relates to a catalysed particulate filter containing an oxidation catalyst for oxidising NO to NO₂ and/or oxidising CO to CO₂ and/or HC to CO₂ and H₂O, located on a monolith-filtering carrier with flow walls, wherein the oxidation catalyst comprises a metal component from the platinum group and a pre-annealed carrier material containing a mixed magnesium-aluminium metal oxide with a magnesium content of 1 to 5 wt.% relative to Mg. The invention also relates to an exhaust system for an internal combustion engine, to a vehicle, to a method for purifying exhaust gases of an internal combustion engine, to a method for producing a catalytic monolith.

EFFECT: technical result is reduced amount of NO_x emission.

26 cl, 2 tbl, 3 ex, 4 dwg