Catalyst supports/catalysts for the treatment of vehicular exhau

Details Catalyst supports/catalysts for the treatment of vehicular exhau Catalyst supports/catalysts for the treatment of vehicular exhau

1989-03-16

1991-01-15

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502302, 502303, 502524, 4232135, B01J 2104, B01J 2310, B01J 2340

Patent

active

049853872

ABSTRACT:
Thermally stable, sulfur-resistant catalysts for the conversion of exhaust gases from internal combustion engines includes an inert, rigid support substrate, e.g., a cellular monolith, coated with a layer of porouse material, the porous material containing alumina, at least one rare earth oxide, and a spinel type compound having a specific surface of at least 50 m.sup.2 /g, and the support substrate having an effective amount of a catalytically active phase impregnated onto the porous coating thereof.

REFERENCES:
patent: 4239656 (1980-12-01), Fujitani et al.
patent: 4274981 (1981-06-01), Suzuki et al.
patent: 4316822 (1982-02-01), Fujitani et al.

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