Process and apparatus for treatment of thiosulfate containing li

Details Process and apparatus for treatment of thiosulfate containing li Process and apparatus for treatment of thiosulfate containing li

1981-10-26

1983-02-08

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423551, 210761, C01B 1702

Patent

active

043729401

ABSTRACT:
A process and apparatus for treating thiosulfate containing liquors such as coke oven gas scrubbing liquors in two stages of wet oxidation with intermediate removal of elemental sulfur. Mild oxidation conditions in the first stage results in conversion of thiosulfate sulfur to elemental sulfur, which is removed prior to second stage wet oxidation of the liquors to substantially reduce the liquor oxygen demand.

REFERENCES:
patent: 3558272 (1971-01-01), Urban
patent: 3627676 (1971-12-01), Eccles
patent: 3672836 (1972-06-01), Brown
patent: 3728439 (1973-04-01), Urban
patent: 3761409 (1973-08-01), McCoy et al.
patent: 3855390 (1974-12-01), Matumoto et al.

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