Power plants – Internal combustion engine with treatment or handling of... – Methods
Patent
1998-03-30
1999-09-14
Ryznic, John E.
Power plants
Internal combustion engine with treatment or handling of...
Methods
60277, 60286, F01N 300
Patent
active
059504226
ABSTRACT:
The invention relates to a method and to a device for using a reagent for converting a pollutant in an exhaust gas in a catalytic converter. The reagent is metered as a function of operational parameters of the exhaust gas and of a temperature of the catalytic converter. The reagent is added to the exhaust gas to form a mixture, and the mixture is fed through the catalytic converter. The temperature is determined recursively as a spatially and time-dependent function of the catalytic converter from the operational parameters of the exhaust gas and structural parameters of the catalytic converter. Catalytic activity in the catalytic converter is determined from the derived temperature and the reagent is metered as a function of the catalytic activity.
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Greenberg Laurence A.
Lerner Herbert L.
Ryznic John E.
Seimens Aktiengesellschaft
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