Caustic sulfide wet oxidation process

Details Caustic sulfide wet oxidation process Caustic sulfide wet oxidation process

B - Operations, Transporting

01

J

B01J 10/00 (2006.01) C02F 11/08 (2006.01)

Patent

CA 2051003

A process for treatment of caustic sulfide liquor by wet oxidation in a nickel-based alloy system is described. The liquor is first analyzed fox alkalinity consuming species and for nonsulfidic alkalinity. If excess alkalinity consuming species is present compared to nonsulfidic alkalinity, then additional nonsulfidic alkalinity is added to the raw liquor such that excess alkalinity is present during wet oxidation treatment, thus preventing excessive corrosion to the nickel-base alloy system.

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