NO.sub.x reduction catalyst for internal combustion engine emiss

Details NO.sub.x reduction catalyst for internal combustion engine emiss NO.sub.x reduction catalyst for internal combustion engine emiss

1976-07-09

1978-10-10

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

4232135, 252477R, B01D 5334

Patent

active

041197011

ABSTRACT:
A process for reducing the oxides of nitrogen in exhaust gases from an internal combustion engine comprising contacting the exhaust gases with a self supporting catalytic structure in the form of an expanded thin metal foil. The expanded metal foil comprises a corrosion resistant metallic substrate having an NO.sub.x reducing catalyst on the surface layer. The corrosion resistance substrate may be a nickel/chromium alloy, and the NO.sub.x catalytic surface may be a nickel/copper alloy.

REFERENCES:
patent: 2526657 (1950-10-01), Guyer
patent: 3546075 (1970-12-01), Sheetz et al.
patent: 3773894 (1973-11-01), Bernstein et al.
patent: 3969480 (1976-07-01), Fedor et al.
"Chemical Abstracts" vol. 69, 1963 p. 13, 258.

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