Flue gas scrubbing system

Details Flue gas scrubbing system Flue gas scrubbing system

1979-07-25

1981-11-17

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423166, C01B 1700

Patent

active

043011276

ABSTRACT:
An SO.sub.2 flue gas scrubbing system wherein a calcium compound is dissolved in water and recirculated in contact with the flue gases. Calcium sulfite and sulfate formed in this process are also recirculated. A stream of the slurry passing to waste is separated based on the rate of settling of the constituents so that calcium sulfate and undissolved calcium compound is returned to the recirculating system with the calcium sulfite being sent to waste.

REFERENCES:
patent: 2080779 (1937-05-01), Lessing
patent: 2113198 (1938-04-01), Ronhebel et al.
patent: 3995006 (1976-11-01), Downs et al.
patent: 4002724 (1977-01-01), McKie
patent: 4024220 (1977-05-01), Ostroff et al.
Gagunini et al.; "Sulfur Oxides Removal by Wet Scrubbing -Application to Utility Boilers" Oct. 1975.

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