Method of and column for the desulfurization of industrial...

Details Method of and column for the desulfurization of industrial... Method of and column for the desulfurization of industrial...

B - Operations, Transporting

01

D

23/349

B01D 53/34 (2006.01) B01D 53/14 (2006.01) B01D 53/50 (2006.01)

Patent

CA 1251919

ABSTRACT OF THE DISCLOSURE A method of and an apparatus for the desulfurization of an industrial flue gas wherein the recirculating scrubbing liquid is sprayed with atomization into the scrubbing zone of a column and the droplet size, degree of atomization and gas flow velocity are controlled so that the pH of the scrubbing liquid within the scrubbing zone is substantially 3 to 6, preferably 4 to 5. In the sump oxidation is carried out by the introduction of oxygen to oxidize the calcium sulfite and calcium hydrogen sulfite which is formed to calcium sulfate.

461213

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