Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1989-04-12
1991-05-14
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502349, B01J 2106
Patent
active
050156179
ABSTRACT:
A catalyst for purifying exhaust gas produced by coating honeycomb carriers of monolithic structure with a catalyst composition comprising cerium oxide particles stabilized with (a) zirconia or (b) zirconia and at least one member selected from the group consisting of yttria and calcia, refractory inorganic oxide particles, 0.02 to 2% by weight of rhodium based on said catalyst composition, and 0 to 10% by weight of at least one platinum-family metal selected from the group consisting of platinum and palladium based on said catalyst composition.
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Yao, H. C., "Surface Interactions in the System Rh/Al.sub.2 O.sub.3 ", Journal of Catalysis, 50, pp. 407-418 (1977).
Kitaguchi Shinya
Ohata Tomohisa
Tsuchitani Kazuo
Behr Omri M.
Fourson George R.
Garvin Patrick P.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
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