B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/353
B01D 53/34 (2006.01) B01D 53/86 (2006.01) B01J 23/34 (2006.01) B01J 37/08 (2006.01)
Patent
CA 1091899
METHOD FOR REMOVAL OF NITROGEN OXIDES FROM NITROGEN OXIDES-CONTAINING EXHAUST GAS Abstract of the Disclosure Nitrogen oxides can be advantageously removed from an exhaust gas containing nitrogen oxides by contacting the exhaust gas with ammonia in the presence of a catalyst com- prising a manganese oxide product obtained by thermally treating manganese carbonate at a temperature of from 200 to 500°C in an atmosphere of a gas containing not less than 1% by volume of oxygen. The manganese oxide product used in the method is inexpensive to prepare and is an effective catalyst, particularly because of the fact that it is quite porous.
304764
Araki Tadashi
Funabashi Masayuki
Saito Hatsuo
Saito Ritaro
Seguchi Koji
Kirby Eades Gale Baker
Kureha Kagaku Kogyo Kabushiki Kaisha
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