Scrubber for the desulfurization of flue gases

Details Scrubber for the desulfurization of flue gases Scrubber for the desulfurization of flue gases

B - Operations, Transporting

01

D

165/4

B01D 53/18 (2006.01) B01D 53/50 (2006.01) C01F 11/46 (2006.01)

Patent

CA 1280970

ABSTRACT OF THE DISCLOSURE A scrubber for desulfurization of gases, in particular flue gases of a boiler furnace includes two scrubbing zones each having a plurality of spaced arrays of nozzles for washing the gas with a respective washing liquid containing sulfur compound binding additives. At the bottom portion of the scrubber, the liquid discharged from the nozzles and containing sulfur compounds forms a sump to which limestone is added. From the sump two cir- culation systems extend. Each circulation system includes a pump which draws off a respective washing liquid from the sump and conveys the latter to the associated one of the scrubbing zones whereby whitewash or lime milk is introduced into one of the cir- culation systems.

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