C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/18 (2006.01) C22B 3/04 (2006.01) C22B 3/26 (2006.01) C22B 23/00 (2006.01) C25C 1/08 (2006.01)
Patent
CA 2383816
A method of recovering nickel from a nickel bearing sulphide mineral slurry which includes the steps of subjecting the slurry to a bioleaching process, supplying a feed gas which contains in excess of 21 % oxygen by volume, to the slurry, and recovering nickel from a bioleach residue of the bioleaching process.
La présente invention concerne un procédé de récupération du nickel à partir de minerais sulfurés contenant du nickel qui consiste à soumettre la suspension à un procédé de lixiviation biologique, à alimenter la suspension avec un gaz contenant plus de 21 % d'oxygène en volume, et à récupérer du nickel à partir d'un résidu obtenu dans le procédé de lixiviation biologique.
Basson Petrus
Crundwell Frank
Dew David William
Norton Alan
Billiton Intellectual Property B.v.
Oyen Wiggs Green & Mutala Llp
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