Catalyst for treating exhaust gas from engine vehicles

Details Catalyst for treating exhaust gas from engine vehicles Catalyst for treating exhaust gas from engine vehicles

1973-07-05

1976-05-18

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252466B, 252466J, 252470, 252471, 252474, 4232135, B01J 2104, B01J 2342, B01J 2346, B01J 2374

Patent

active

039576914

ABSTRACT:
A catalyst for treating exhaust gas from engine vehicles which comprises a intered substance composed of ferric oxide and at least one metallic oxide and forming at least in part a spinel crystal structure. This catalyst can be strengthened by adding aluminum oxide as an additional ingredient. Also, by adding metallic ruthenium to the catalyst, its rate of converting nitrogen compounds can be increased and by adding metallic platinum to the catalyst, its rate of converting carbon monoxide and hydrocarbons can be increased.

REFERENCES:
patent: 2071119 (1937-02-01), Harger
patent: 2818418 (1957-12-01), Rottig et al.
patent: 3331787 (1967-07-01), Keith et al.
patent: 3366705 (1968-01-01), Giannetti et al.
patent: 3397154 (1968-08-01), Talsma
patent: 3686347 (1972-08-01), Dean et al.
patent: 3784675 (1974-01-01), Kobylinski et al.
patent: 3787332 (1974-01-01), Sugier
patent: 3787333 (1974-01-01), Ichihara et al.
patent: 3809643 (1974-05-01), Chun et al.
patent: 3816401 (1974-06-01), Hansford

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