Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Patent
1991-04-01
1992-05-26
McMahon, Timothy M.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
422168, 422177, 423212, 423239, B01D 5334
Patent
active
051165791
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: 3908371 (1975-09-01), Nagai et al.
patent: 4400352 (1983-08-01), Rehnberg et al.
patent: 4403473 (1983-09-01), Gladden
patent: 4681746 (1987-07-01), Michalak et al.
Hagi Mitsuharu
Inoue Akira
Kinoshita Futoru
Kobayashi Motonobu
Uno Terushige
McMahon Timothy M.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
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