Process for the removal of sulfur dioxide from exhaust flue...

B - Operations – Transporting – 01 – D

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B01D 53/10 (2006.01) B01D 53/50 (2006.01) C01B 17/74 (2006.01) C01B 17/775 (2006.01)

Patent

CA 1052980

Abstract of the Disclosure Sulfur dioxide is removed from exhaust flue gases continuously by contact with adsorbent, activated carbon, in aqueous slurry form, preferably in a venturi contactor. The carbon with adsorbed sulfur dioxide is partially dewatered and passed to an oxidation zone in which the sulfur dioxide is converted to sulfur trioxide and absorbed into the aqueous phase to form saleable sulfuric acid. The desorbed activated carbon is recycled to the venturi contactor. -2-

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