Monolithic carrier catalyst and arrangements of such a catalyst

Details Monolithic carrier catalyst and arrangements of such a catalyst Monolithic carrier catalyst and arrangements of such a catalyst

1976-09-17

1978-10-03

Wolk, Morris O.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

252477R, 422180, B01J 800, F01N 315

Patent

active

041181999

ABSTRACT:
In a monolithic carrier catalyst containing a catalytically active substance for the purification of a stream of exhaust gases from an internal combustion engine, the improvement comprises providing an increasing concentration of catalytically active substance on the monolithic carrier catalyst, wherein the concentration increases in the direction of flow of the exhaust gases. The catalyst is particularly useful in oxidizing and/or reducing the noxious substances in automotive exhaust gases.

REFERENCES:
patent: 1452145 (1923-04-01), Cederberg
patent: 2664340 (1953-12-01), Houdry
patent: 3259453 (1966-07-01), Stiles
patent: 3410651 (1968-11-01), Brandenburg et al.
patent: 3785781 (1974-01-01), Hervert et al.

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