Method and device for decomposing nitrogen oxides in the exhaust

Details Method and device for decomposing nitrogen oxides in the exhaust Method and device for decomposing nitrogen oxides in the exhaust

1998-02-23

1999-11-02

Denion, Thomas E.

Power plants

Internal combustion engine with treatment or handling of...

Methods

60280, 60286, 60289, 60307, F01N 300

Patent

active

059747897

ABSTRACT:
A method and a device for decomposing nitrogen oxides in an exhaust gas of an internal combustion engine, include feeding the exhaust gas and a reactant which is sprayed into the exhaust gas through the use of compressed air, to a catalytic converter. A compressor for supplying compressed air is associated with the internal combustion engine, and part of the compressed air is diverted and used as the compressed air for injecting the reactant. The sprayed reactant is fed to the catalytic converter, together with the exhaust gas to be purified, which ensures the decomposition of the nitrogen oxides, in particular according to the method of selective catalytic reaction.

REFERENCES:
patent: 4010607 (1977-03-01), Hopping
patent: 5116579 (1992-05-01), Kobayashi et al.
patent: 5205120 (1993-04-01), Oblander et al.
patent: 5460784 (1995-10-01), Gillbrand et al.
patent: 5653101 (1997-08-01), Lane et al.
patent: 5813224 (1998-09-01), Rao et al.
Japanese Patent Abstract No. 2207119 (Hiroshi et al.), dated Aug. 16, 1990.
Japanese Patent Abstract No. 59049824 (Toshio), dated Mar. 22, 1984.

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