Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1991-05-15
1993-02-09
McFarlane, Anthony
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502303, 502324, 502327, 502333, 502336, 502338, 502339, 502525, 4232132, 4232135, B01J 2310, B01J 2344
Patent
active
051853116
ABSTRACT:
For the preparation of a catalytic composite for purifying exhaust gases, first, at least one perov-skite-type compound oxide of the formula RMO.sub.3, where R is La or a combination of La and Ce, and M is Co, Mn or a combination thereof, is supported together with cerium dioxide and alumina sol on a heat resistant carrier made of an inorganic oxide selected from the group consisting of cordierite and mullite, and then iron and palladium are further supported together thereon. As a result, a catalytic composite having a high degree of oxidation activity at low temperatures and also having excellent heat resistance can be obtained.
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Fukuda Hiroshi
Matsumoto Ikuo
Tabata Kenji
Matsushita Electric - Industrial Co., Ltd.
McFarlane Anthony
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