Diesel exhaust catalyst

Details Diesel exhaust catalyst Diesel exhaust catalyst

1980-05-27

1981-12-01

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252466PT, 252467, 252468, 252469, 252470, 4232132, 4232135, B01J 2104, B01J 2106, B01J 2364

Patent

active

043035523

ABSTRACT:
A catalyst which is particularly useful in the treatment of diesel exhaust emissions is described. The catalyst comprises a mixture of a supported noble metal and/or chromium component and a bulk first transition series, silver, and/or hafnium component. The supported component catalyzes hydrocarbon conversions and the bulk component catalyzes combustion of carbon particulates in diesel exhaust gases.

REFERENCES:
patent: 3259453 (1966-07-01), Stiles
patent: 3945947 (1976-03-01), Sakai et al.
patent: 4105590 (1978-08-01), Koberstein et al.
patent: 4162235 (1979-07-01), Acres et al.

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