Process of desulfurization

Details Process of desulfurization Process of desulfurization

B - Operations, Transporting

01

D

23/103, 23/349

B01D 53/34 (2006.01) B01D 53/14 (2006.01) B01D 53/50 (2006.01) C01B 17/48 (2006.01) C01F 11/46 (2006.01)

Patent

CA 1326758

ABSTRACT Process of Desulfurization In the desulfurization of flue gas utilizing limestone as absorbent in a double loop system, in which the flue gas is introduced into a quenching zone for contact with a first slurry of the limestone, and thereafter passes to an absorbing zone for further contact with a second lime- stone slurry, the two slurries being supplied from a mixing zone into which water and limestone are charged, and in which air is introduced into the quenching zone to convert the calcium sulfite present in it to gypsum, air is also supplied to the mixing zone to convert calcium sulfite in it to gypsum, and limestone is directly added to the quenching zone.

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