Process for reducing oxides nitrogen in the exhaust gas from int

Details Process for reducing oxides nitrogen in the exhaust gas from int Process for reducing oxides nitrogen in the exhaust gas from int

1975-04-16

1978-08-01

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

4232135, 423239, 23288FC, B01D 5334

Patent

active

041043600

ABSTRACT:
The process comprises the step of passing the nitrogen oxides through a zone maintained at conditions at which said nitrogen oxides will be reduced, said zone including a substantially rigid catalytic member of a metal support or substrate plated with one or more members selected from the group consisting of copper, nickel, iron, and chromium and having, at least in part, an oxidized surface that catalytically promotes the reduction of the oxides of nitrogen as they pass through said zone.

REFERENCES:
patent: 3071449 (1963-01-01), Shustack
patent: 3206414 (1965-09-01), Gunther
patent: 3410651 (1968-11-01), Brandenburg
patent: 3554264 (1970-12-01), Hardison
patent: 3565574 (1971-02-01), Kearby
patent: 3576596 (1971-04-01), Krane
patent: 3719739 (1973-03-01), Thompson
patent: 3773894 (1973-11-01), Bernstein et al.
patent: 3839535 (1974-10-01), Ashburn
patent: 3969480 (1976-07-01), Fedor et al.

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