Process and apparatus for treatment of thiosulfate...

Details Process and apparatus for treatment of thiosulfate... Process and apparatus for treatment of thiosulfate...

C - Chemistry, Metallurgy

01

B

362/15, 202/9

C01B 17/00 (2006.01) C01B 17/02 (2006.01) C02F 1/02 (2006.01)

Patent

CA 1170791

ABSTRACT A process and apparatus are disclosed 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.

413294

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