Method for removing sulfur oxides from hot flue gases

Details Method for removing sulfur oxides from hot flue gases Method for removing sulfur oxides from hot flue gases

1983-12-20

1985-11-26

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423244, 159 41, 159 42, C01B 1700

Patent

active

045553904

ABSTRACT:
Sulfur oxides and other acid gases are removed from hot flue gases by dispersing and suspending an absorption agent and water, preferably Ca(OH).sub.2 suspended in water, in a rising stream of hot gas at the lower part of a reaction chamber, where the hot gases are subjected to a rapid reduction in velocity. Sulfur oxides and other acid gases are absorbed on and reacted with the absorption agent in the presence of evaporating water producing a dry powder which is separated from the flue gas in a particle precipitator and partially recirculated to the reaction chamber.

REFERENCES:
patent: 4208383 (1980-06-01), Kisters et al.
patent: 4293524 (1981-10-01), Teller et al.

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