Method for removing sulphur compounds from water

Details Method for removing sulphur compounds from water Method for removing sulphur compounds from water

C - Chemistry, Metallurgy

02

F

C02F 3/28 (2006.01) B01D 53/84 (2006.01) C01B 17/02 (2006.01) C02F 3/34 (2006.01)

Patent

CA 2107689

The invention provides a method for removing sulphur compounds from water by anaerobic reduction of the sulphur compounds to sulphide, followed by partial oxidation of the sulphide to elementary sulphur. The anaerobic reduction is carried out at elevated temperature, either continuously at a temperature of 45-70 °C, or periodically at a temperature of 55-100 °C. If the reduction is carried out periodically, a single rise in temperature for a few hours to several days over a period of 3-6 months can suffice. The method is particularly applicable to the removal of sulphate, sulphite and thiosulphate.

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