Scrubbing of sulfur dioxide with lime slags

Details Scrubbing of sulfur dioxide with lime slags Scrubbing of sulfur dioxide with lime slags

1986-02-05

1987-04-14

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423244, B01J 800, C01B 1700

Patent

active

046577467

ABSTRACT:
A process for removing sulfur dioxide from industrial gas streams by scrubbing the gas with an aqueous slurry including 2CaO.Fe.sub.2 O.sub.3 (dicalcium ferrite). The 2CaO.Fe.sub.2 O.sub.3 is present in lime slags or flotation tailings derived from non-ferrous smelting operations.

REFERENCES:
patent: 3547583 (1970-12-01), Wilson
patent: 3836630 (1974-09-01), Noguchi et al.

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