Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Reexamination Certificate
2005-03-01
2005-03-01
Andrews, Melvyn (Department: 1742)
Specialized metallurgical processes, compositions for use therei
Processes
Process control responsive to sensed condition
C075S387000, C266S081000, C423SDIG001
Reexamination Certificate
active
06860919
ABSTRACT:
A method of recovering a precious metal from a sulphide mineral slurry which contains the precious metal 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 precious metal from a bioleach residue of the bioleaching process.
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Basson Petrus
Batty John de Klerk
Dew David William
Norton Alan
Andrews Melvyn
Billiton Intellectual Property B.V.
Jones Tullar & Cooper P.C.
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