Gold recovery using controlled oxygen distribution pressure oxidation
US5489326A · kind A · utility
45Cited by
21References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1994 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Oct 4, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for recovering gold from a refractory auriferous ore containing sulfide sulfur. An aqueous slurry of refractory auriferous ore is subjected to pressure oxidation in an autoclave while the distribution of oxygen to the various compartments of the autoclave is controlled in order to achieve increased oxygen utilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.