Process for the removal of cyanide and other impurities from...

Details Process for the removal of cyanide and other impurities from... Process for the removal of cyanide and other impurities from...

C - Chemistry, Metallurgy

02

F

362/54

C02F 1/62 (2006.01) C02F 1/58 (2006.01) C02F 1/70 (2006.01) C02F 9/00 (2006.01) C02F 1/72 (2006.01)

Patent

CA 1321429

-14- Abstract of the Disclosure A process for the removal of cyanide and other impurities from an aqueous solution is disclosed. The process comprises adding copper ion and ferrous ion as reagents to the solution at a pH of about 4 to 8 with a ratio of copper to cyanide in the range of 3:1 to 10:1 by weight and with a ratio of iron to copper of at least 0.3:1 by weight.

540430

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