Microbiological oxidation process for recovering mineral values
US5006320A · kind A · utility
27Cited by
9References
52Claims
0Family size
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Key dates
| Filing date | Mar 5, 1990 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Mar 5, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/822
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for the biological oxidation of sulfide in sulfide-containing ore. Preferably, the ore is then subjected to cyanide leaching. The resulting leach tail solution can be subjected to cyanide precipitation, employing ferric sulfate which is generated during the biological oxidation step of the process. Furthermore, a process for efficiently aerating the ore slurry during the biological oxidation step is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.