B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 35/16 (2006.01) B01D 53/94 (2006.01) B01D 53/96 (2006.01) B01J 21/10 (2006.01) B01J 23/40 (2006.01) B01J 23/58 (2006.01) F01N 3/023 (2006.01) F01N 3/035 (2006.01)
Patent
CA 2423772
The present invention is directed to a particle filter to remove soot from the exhaust gas of a diesel engine. The particle filter contains a catalytically active coating on a filter body to accelerate burn-off during a regeneration phase of the soot particles collected on the filter. The particle filter comprises a catalytic coating containing compounds of barium, compounds of magnesium, and at least one element of the platinum group metals. The invention is further directed to a process for accelerated combustion of soot particles collected on the filter from lean exhaust gas of a diesel engine in which the soot particles have a soot ignition temperature and the particle alter is actively regenerated from time to time by raising the temperature of the particle filter above the soot ignition temperature and burning off the soot particles.
Gieshoff Jurgen
Kattwinkel Peter
Kreuzer Thomas
Kuhn Christian
Lox Egbert
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Omg Ag & Co. Kg
Umicore Ag & Co. Kg
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