Method of removing nitrogen oxides in exhaust gases from a diese

Details Method of removing nitrogen oxides in exhaust gases from a diese Method of removing nitrogen oxides in exhaust gases from a diese

1990-02-02

1991-06-04

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

423239, B01D 4700, B01D 5134, B01J 800, C01B 2100

Patent

active

050212273

ABSTRACT:
The present invention concerns a method of removing nitrogen oxides in exhaust gases from a diesel engine by using a catalyst in a reacter under the presence of ammonia, wherein a humidity of in-take air as a specific factor and one or more of engine power, fuel consumption amount of engine, temperature of engine in-take air and exhaust gas temperature as selective factors are measured respectively as the measuring factors and the flow rate of ammonia is controlled based on measured values and ammonia is supplied to an exhaust gas flow channel from the engine to the reactor.

REFERENCES:
patent: 3832848 (1974-09-01), Scholl
patent: 4400352 (1983-08-01), Rehnberg et al.
patent: 4403473 (1983-09-01), Gladder

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