F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
23/353
F01N 3/28 (2006.01) B01D 53/86 (2006.01) B01D 53/94 (2006.01) F01N 3/02 (2006.01) F01N 3/023 (2006.01) F01N 3/20 (2006.01)
Patent
CA 1242866
ABSTRACT Method of removing nitric oxides and soot from the waste gases of heavy oil machines or heavy oil furnaces. The invention relates to a method of removing nitric oxides and soot from the waste gases of heavy oil machines or heavy oil furnaces by means of free passage catalysts at elevated temperatures with the addition of ammonia to the waste gas current prior to contact with the catalysts. In order to make the method more effective the invention proposes that the soot settling on the catalyst surfaces is removed by burning and/or is removed by the effect of friction by adding sand, ashes or suchlike abrasive mixtures to the waste gas current, prior to contact with the catalyst.
508542
Buhler Hans-Eugen
Flockenhaus Claus
Grimm Daniel
Hackler Erich
Kainer Hartmut
Didier Engineering G.m.b.h.
Didier-Werke A.g.
Fetherstonhaugh & Co.
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