Process for treating exhaust gas from internal combustion engine

Details Process for treating exhaust gas from internal combustion engine Process for treating exhaust gas from internal combustion engine

1975-11-03

1977-03-15

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

252466B, B01D 5334

Patent

active

040124851

ABSTRACT:
The process comprises passing the exhaust gas through a reduction zone containing a catalyst comprising a nickel component, a rhodium component, and a monolithic ceramic support and being maintained at a temperature of about 700.degree. to about 1,800.degree. F. The catalyst may also contain a platinum component and/or a palladium component and the monolithic ceramic support may be coated with a wash coat of a ceramic material having a relatively high surface area. The nickel component and the rhodium component are deposited upon the monolithic ceramic support sequentially and in that order.

REFERENCES:
patent: 3554929 (1971-01-01), Aarons
patent: 3840471 (1974-10-01), Acres
patent: 3855389 (1974-12-01), Klimisch
patent: 3886260 (1975-05-01), Unland
patent: 3898181 (1975-08-01), Barker

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