Method for purification of exhaust gases

Details Method for purification of exhaust gases Method for purification of exhaust gases

1975-08-18

1977-08-09

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

4232135, 423239, B01D 5334

Patent

active

040411281

ABSTRACT:
A process and apparatus are provided whereby sulfur and nitrogen oxides as well as carbon monoxides and unburned hydrocarbons are removed from internal combustion engine exhaust gases. The gases are passed through a chamber containing a sulfide and an oxide of iron, copper or zinc. The system is partially self-regenerating and can be used in conjunction with present catalytic converter units or in lieu thereof. In certain embodiments the present invention can also replace muffler units in exhaust systems.

REFERENCES:
patent: 3840389 (1974-10-01), Kobylinski et al.
patent: 3857921 (1974-12-01), Tamura et al.
patent: 3933979 (1973-08-01), Eisenlohr et al.
patent: 3987146 (1976-10-01), Clay et al.

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