Catalyst for purifying exhaust gas from lean burn engine and...

Details Catalyst for purifying exhaust gas from lean burn engine and... Catalyst for purifying exhaust gas from lean burn engine and...

B - Operations, Transporting

01

J

B01J 23/44 (2006.01) B01D 53/94 (2006.01) B01J 23/89 (2006.01) F02B 1/04 (2006.01)

Patent

CA 2151859

A catalyst for the purification of an exhaust gas emitting from a lean burn engine using gasoline as a fuel thereof and a method for the purification are provided. The catalyst has deposited on an inert carrier a mixture of a catalytically active component comprising palladium, an oxide of at least one alkali metal selected from the group consisting of potassium, sodium, rubidium, and cesium, and an oxide of at least one iron family metal selected from the group consisting of cobalt, nickel, and iron with a refractory inorganic oxide. This catalyst is used either alone or in combination with an oxidizing catalyst or a three-way catalyst for the purification of the exhaust gas from the lean burn engine using gasoline as a fuel thereof.

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