Method for oxidation of SO.sub.2 scrubber sludge

Details Method for oxidation of SO.sub.2 scrubber sludge Method for oxidation of SO.sub.2 scrubber sludge

1975-09-22

1976-10-12

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423166, 423555, C01B 1700

Patent

active

039858600

ABSTRACT:
This process provides for the oxidation of calcium sulfite produced from wet scrubbing sulfur oxides to gypsum in an aqueous medium containing magnesium sulfate. The process renders scrubber sludge filterable for further manufacturing use or disposal without use of acidic streams.

REFERENCES:
patent: 3808321 (1974-04-01), Fjkui et al.
patent: 3883639 (1975-05-01), Cronkright et al.
patent: 3914378 (1975-10-01), Selmeozi

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