Flue gas desulfurization process

Details Flue gas desulfurization process Flue gas desulfurization process

1985-03-22

1986-08-05

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423243, 423244, C01B 1700, B01J 800

Patent

active

046042695

ABSTRACT:
Flue gas is desulfurized by mixing into it at a temperature between about 120.degree. and about 230.degree. C. a finely divided sorbent such as calcium hydroxide which has been reacted with an aqueous solution of solubilizing agent such as a deliquescent compound or a strongly ionizing inorganic salt and, immediately downstream of the mixing point, spraying water into the gaseous suspension. In one embodiment a portion of the solids separated from the flue gas are recycled for reuse as sorbent.

REFERENCES:
patent: 2718453 (1955-09-01), Beckman
patent: 3632306 (1972-01-01), Villiers-Fisher et al.
patent: 4080428 (1978-03-01), Holter et al.
patent: 4454102 (1984-06-01), Lindau et al.
patent: 4533532 (1985-08-01), Gebhard et al.

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