Method of cleaning exhaust gases

Details Method of cleaning exhaust gases Method of cleaning exhaust gases

B - Operations, Transporting

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B01J 23/885 (2006.01) B01D 53/94 (2006.01) B01J 23/24 (2006.01) B01J 23/34 (2006.01) B01J 23/72 (2006.01) B01J 23/76 (2006.01) B01J 23/84 (2006.01) B01J 23/847 (2006.01) B01J 23/86 (2006.01)

Patent

CA 1299343

Abstract of the Disclosure A method of cleaning an exhaust gas containing nitrogen oxides, carbon monoxide and an excess of molecu- lar oxyen, which comprises passing the exhaust gas to- gether with ammonia over a catalyst comprising (A) 60 to 99.9% by weight of a catalytic oxide composed of a titani- um containing oxide, (B) 0.1 to 20% by weight of a catal- ytic oxide composed of at least one metal oxide selected from the group consisting of oxides of copper, manganese and chromium and (C) 0 to 20% by weight of a catalytic oxide composed of at least one metal oxides selected from the group consisting of oxides of vanadium, tungsten, molybdenum, cerium and tin at a temperature of 200 to 500°C.

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