B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/46 (2006.01) B01D 53/94 (2006.01) B01J 27/22 (2006.01) B01J 27/24 (2006.01) F01N 3/20 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2079415
Abstract of the Disclosure CATALYST FOR PURIFYING EXHAUST GAS AND METHOD OF PURIFYING EXHAUST GAS A catalyst comprising an iridium supported on at least one carrier selected from the group consisting of metal carbides and metal nitrides for eliminating nitrogen oxides in exhaust gas in the presence of oxygen in excess of the stoichiometric quantity of oxidizing components for reducing components. The catalyst is effective for eliminating NOx in exhaust gas from lean burn engines such as lean burn gasoline engines and diesel engines containing excess O2 corresponding to an A/F ratio of 17 or over.
Itoh Takashi
Kosaki Yukio
N.e. Chemcat Corporation
Smart & Biggar
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