Scrubber for the desulfurization of flue gases

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

1985-03-19

1987-06-02

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422193, 422234, 423242, 261 22, B01D 5000, B01D 4712, B01J 1200

Patent

active

046702245

ABSTRACT:
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 circulation 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 circulation systems.

REFERENCES:
patent: 4503020 (1985-03-01), Weissert et al.
patent: 4515754 (1985-05-01), Stehning
patent: 4533522 (1985-08-01), Leimkuhler
patent: 4539024 (1985-09-01), Stehning et al.
patent: 4539184 (1985-09-01), Stehning

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