Precipitation of iron from sulphate solutions

Details Precipitation of iron from sulphate solutions Precipitation of iron from sulphate solutions

C - Chemistry, Metallurgy

01

G

53/328, 53/377

C01G 49/06 (2006.01) C01G 9/02 (2006.01)

Patent

CA 1245461

A B S T R A C T A method for the precipitation of iron from a solution containing ferrous sulphate and zinc sulphate, such as a solution produced during the recovery of zinc from a zinc containing ore, consists of heating the solution in the presence of oxygen and in a pressure vessel at a temperature in excess of 110°C for a period of time not exceeding 30 minutes. The short residence time of the solution in the pressure vessel means that a pressure vessel with a smaller capacity may be used compared with the pressure vessel required in conventional processes.

497084

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