Furnaces – With exhaust gas treatment means – Means contacting exhaust gas with liquid
Patent
1991-02-06
1992-04-14
Favors, Edward G.
Furnaces
With exhaust gas treatment means
Means contacting exhaust gas with liquid
110185, 110345, 422111, 422168, 55 18, F23J 1500
Patent
active
051037424
ABSTRACT:
An exhaust system adapted for the selective control of the types and concentrations of emissions to the atmosphere in the off-gas of a combustion unit, the system including at least one chemical treatment chamber, at least one off-gas, kinetic energy reducing chamber communicating with at least one chemical treatment chamber and adapted to provide a reduced pressure off-gas region wherein the kinetic energy of the off-gas from the treatment chamber is diminished, at least one chemical reactor communicating with at least one treatment chamber and adapted to provide reactant chemicals in contact with the off-gas in the treatment chamber, at least one reactant chemical selecting system associated with at least one chemical reactor and adapted for presenting different chemicals and concentrations thereof to the off-gas in at least one treatment chamber, cooling apparatus for the off-gas in one or more selected portions of the exhaust system, and a control system communicating with the off-gas at one or more locations within the exhaust system for qualitatively and quantitatively analyzing the off-gas and actuating the selecting system in relationship to the gas analysis to provide selected reactant chemicals in predetermined quantities to at least one chemical reactor for contact with the off-gas to selectively control the types and concentrations of matter therein.
REFERENCES:
patent: 4223614 (1980-09-01), Barrhuus et al.
patent: 4670221 (1987-06-01), Marnet et al.
patent: 4909160 (1990-03-01), Frick et al.
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