Low copper NO.sub.x reduction catalyst

Details Low copper NO.sub.x reduction catalyst Low copper NO.sub.x reduction catalyst

1972-11-13

1978-09-05

Shine, W. J.

Compositions

X-ray or neutron shield

252477R, 4232135, B01J 2372, B01J 2376

Patent

active

041118499

ABSTRACT:
A durable catalytic structure capable of catalyzing the reduction of NO.sub.x gases found in the exhaust stream emanating from an internal combustion engine substantially without the generation of ammonia is provided which comprises a heat resistant metallic substrate having adhering to at least a part of the surface thereof a catalytic alloy of a nickel base material and copper with the weight ratio of the nickel base material to copper being at least equal to, but preferably greater than, about 9 to 1.

REFERENCES:
patent: 3119879 (1964-01-01), Hort et al.
patent: 3565574 (1971-02-01), Kearby et al.
patent: 3718733 (1973-02-01), Gehri
patent: 3773894 (1973-11-01), Bernstein et al.

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