Diesel particulate filter

Details Diesel particulate filter Diesel particulate filter

B - Operations, Transporting

01

D

B01D 53/94 (2006.01) B01J 21/06 (2006.01) B01J 23/16 (2006.01) B01J 23/44 (2006.01) F01N 3/022 (2006.01) F01N 3/023 (2006.01) F01N 3/035 (2006.01) F01N 3/28 (2006.01)

Patent

CA 2472839

The invention provides a process and filter for catalytic purification of exhaust gas from a diesel engine by passing the exhaust gas through a wall flow filter provided with material being catalytic active in the reduction of nitro- gen oxides to nitrogen and oxidation of carbonaceous com- pounds to carbon dioxide and water. The wall flow filter is prepared from silicon carbide and provided with a layer of titanium dioxide on its surface and wherein the catalytic active material comprises oxides of vanadium, tungsten and metallic palladium.

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