Recovery of precious metal from sulphide minerals by bioleaching
US6860919B1 · kind B1 · utility
1Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2000 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Sep 5, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/17
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.