Method and means for controlling mist scrubber operation

Details Method and means for controlling mist scrubber operation Method and means for controlling mist scrubber operation

B - Operations, Transporting

01

D

23/360, 165/46

B01D 53/34 (2006.01) B01D 47/05 (2006.01) B01D 53/14 (2006.01) B01D 53/18 (2006.01) B01D 53/30 (2006.01) B01D 53/48 (2006.01) B01D 53/72 (2006.01)

Patent

CA 1300851

ABSTRACT OF THE DISCLOSURE A control system is provided for a mist scrubbing process in which a gas containing odorous and acidic contaminants is cocurrently contacted in a reaction chamber with tiny droplets of an aqueous reagent to react with and destroy the contaminants. The reagent contains an oxidizing agent and a base and the process is controlled by measuring a property, typically pH, of spent spray liquid settling at the bottom of the chamber. That measurement is used to meter the flow rate of base into the system while at the same time the concentration of an acidic contaminant in the scrubbed gas stream leaving the reaction chamber is measured and that measurement is used to meter the injection rate of an oxidizing agent into the system.

582867

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