Treatment of an aqueous stream containing water-soluble...

Details Treatment of an aqueous stream containing water-soluble... Treatment of an aqueous stream containing water-soluble...

C - Chemistry, Metallurgy

02

F

C02F 1/74 (2006.01) C01B 17/96 (2006.01) C01C 1/247 (2006.01) C01D 5/00 (2006.01) C02F 1/66 (2006.01) C02F 1/72 (2006.01)

Patent

CA 2095105

An aqueous stream containing a water-soluble, inorganic sulfide compound is treated to selectively produce the corresponding sulfate by contacting the aqueous stream and oxygen at a pH of less than 12 and at an oxygen to sulfur molar ratio greater than 5:1 with an oxidizing catalyst at oxidation conditions effective to selectively convert at least 95% of the inorganic sulfide compound to the corresponding sulfate to thereby produce a substantially sulfide-free treated aqueous product stream.

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