B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/08 (2006.01) B01D 53/94 (2006.01) B01J 29/87 (2006.01)
Patent
CA 2054321
41 ABSTRACT The catalyst for purifying an exhaust gas has at least gallium and a zeolite and an exhaust gas purifying method using the catalyst. Nitrogen oxides in the exhaust gas are reduced and eliminated by the catalyst in an oxidative atmosphere at a reaction temperature of 200 to 800°C and under the presence of a hydrocarbon at the total THC concentra- tion/NOx concentration of from 0.5 to 50.
Hayasaka Toshiaki
Kimura Takuma
Idemitsu Kosan Company Limited
Kirby Eades Gale Baker
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