Cobalt base nox reducing catalytic structure

Details Cobalt base nox reducing catalytic structure Cobalt base nox reducing catalytic structure

1976-09-27

1978-05-09

Peters, G. O.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252470, 252472, 252474, 60274, 60301, 23288F, 75208R, B01J 2104, F01N 308

Patent

active

040886069

ABSTRACT:
A system for reducing NO.sub.x gases found in the exhaust stream of the internal combustion engine is provided which includes an internal combustion engine having associated therewith a means for supplying fuel and oxygen to the engine, a manifold system for directing or channeling the exhaust gases from the engine, and a NO.sub.x reducing catalyst assembly communicating with the manifold which includes a housing having a NO.sub.x reducing catalytic structure of apertured thin metal foil positioned therein which comprises a durable, chromium containing corrosion resistant cobalt base substrate having metallurgically bonded thereto, on at least one surface, an effective amount of a NO.sub.x reducing catalyst selected from the group consisting of iron, nickel, cobalt, copper, manganese and mixtures thereof.

REFERENCES:
patent: 3399058 (1968-08-01), Roush
patent: 3546075 (1970-12-01), Sheetz et al.
patent: 3552953 (1971-01-01), Lemkey et al.
patent: 3773894 (1973-11-01), Bernstein et al.
patent: 3969480 (1976-07-01), Fedor et al.
"Chemical Abstracts", vol. 59, p. 13258.

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