B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/45, 252/90
B01J 23/46 (2006.01) B01D 53/94 (2006.01) B01J 37/02 (2006.01)
Patent
CA 1135681
ABSTRACT A catalyst system is taught for treating exhaust gases from an internal combustion engine. The catalyst system includes a substrate and a wash coat on the substrate. The wash coat is formed substantially of alpha phase alumina. A catalyst is placed on the wash coat consisting of rhodium metal or rhodium metal with another catalyst metal. By using alpha phase alumina as the wash coat, the rhodium is not dissolved into the wash coat during periods when the catalyst system is subjected to high temperature oxidizing conditions.
331788
Gandhi Haren S.
Kummer Joseph T.
Shelef Mordecai
Stepien Henryk K.
Yao Hsien C.
Ford Motor Company Of Canada Limited
Sim & Mcburney
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