Monolithic catalyst support and catalyst deposited on the suppor

Details Monolithic catalyst support and catalyst deposited on the suppor Monolithic catalyst support and catalyst deposited on the suppor

1986-11-24

1988-05-03

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502302, 502304, 502306, 502317, 502439, 4232135, B01J 2104, B01J 2302, B01J 2310, B01J 2326

Patent

active

047420383

ABSTRACT:
A monolithic catalyst support for use in the purification of exhaust gases comprises: a metal substrate; an oxide membrane formed on the surface of the substrate by applying heat treatment to the substrate; and an active alumina layer formed on the oxide membrane, wherein the composition of the metal substrate is composed of from 5 to 30% by weight of chromium (Cr), from 1 to 10% by weight of aluminum (Al), from 0.1 to 0.5 by weight of one or more of potassium (K), rubidium (Rb), cesium (Cs), francium (Fr), calcium (Ca), strontium (Sr), barium (Ba), radium (Ra) and lanthanoid elements and the balance of iron (Fe). The endurance of the monolithic catalyst can be improved because incorporation of the lanthanoid elements can improve the purifying performance.

REFERENCES:
patent: 3920583 (1975-11-01), Pugh
patent: 3944504 (1976-03-01), Ford et al.

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