Sodium-enhanced lime scrubbing method for removing sulfur dioxid

Details Sodium-enhanced lime scrubbing method for removing sulfur dioxid Sodium-enhanced lime scrubbing method for removing sulfur dioxid

1992-04-13

1993-11-30

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

42324311, C01B 1722

Patent

active

052662853

ABSTRACT:
Sulfur dioxide is removed from a gaseous stream by contact with a lime slurry which contains sulfur to produce thiosulfate ions and 2,000-10,000 ppm of effective sodium ions to effect removal of the sulfur dioxide A bleed stream, removed from the scrubbing loop has calcium sulfite solids removed therefrom while separated liquor is returned to the scrubbing loop.

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