C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/12 (2006.01) B01J 49/00 (2006.01) C01C 3/08 (2006.01) C01G 9/00 (2006.01) C02F 1/42 (2006.01) C22B 3/42 (2006.01) C22B 11/08 (2006.01)
Patent
CA 2225370
A method for obtaining complex zinc cyanide anions from a precipitate comprising zinc hydroxide and calcium sulfate. The method comprises subjecting such a precipitate to a zinc leaching step comprising contacting the precipitate with calcium cyanide in an aqueous liquid medium so as to obtain an aqueous alkaline zinc containing solution comprising complex zinc cyanide anions and a remaining product precipitate comprising calcium sulfate.
Holbein Edward Bruce
Macdonald Walter Martin
Roseanu Ecaterina Gabriela
Bkp Gp
Holbein Edward Bruce
Macdonald Walter Martin
Roseanu Ecaterina Gabriela
Surini International Ltd.
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