Treatment of water

Details Treatment of water Treatment of water

C - Chemistry, Metallurgy

02

F

362/56

C02F 1/62 (2006.01) C01F 11/00 (2006.01) C02F 1/20 (2006.01) C02F 1/52 (2006.01) C02F 1/66 (2006.01)

Patent

CA 2012266

The invention provides a chemical process for the treatment of water containing dissolved calcium and sulphate ions, so as to produce a purified product water having a reduced sulphate ion concentration. Barium sulphide is added to the water to cause precipitation of barium sulphate from the water. The water from which the barium sulphate has been precipitated is then treated with carbon dioxide to form hydrogen sulphide in the water, and the hydrogen sulphide is stripped from the water.

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