Process for treating thiosulfate containing liquors

Details Process for treating thiosulfate containing liquors Process for treating thiosulfate containing liquors

1981-10-26

1983-06-07

Carter, Herbert T.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423551, 423519, C01B 1700

Patent

active

043870848

ABSTRACT:
A process for treating thiosulfate containing liquors such as coke oven gas scrubbing liquors by first adding acid, preferably sulfuric acid, to convert thiosulfate to elemental sulfur and bisulfite, separating and removing the elemental sulfur, and subjecting the remaining liquor to wet oxidation.

REFERENCES:
patent: 1944978 (1934-01-01), Hansen
patent: 2046880 (1936-07-01), Miller
patent: 3855390 (1974-02-01), Matumoto et al.
Kirk-Othmer, Encyc. of Chem. Tech., 2nd Edition; vol. 20, pp. 228-301.
Mizoguchi et al., Disproportionation of Thiosulfate, Trithionate, Tetrathionate and Sulfite Under Acidic Conditions, Bull. Chem. Soc., Japan, 49 (1), 70-75, (1976).

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