Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores
US8585991B2 · kind B2 · utility
4Cited by
3References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2012 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | May 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to methods for recovering precious metals including silver and gold, rare metals including indium and gallium, base metals including copper, lead and zinc or a combination of precious, rare and base metals from complex oxide ores, sulfide ores or oxide and sulphide ores using an acid chloride oxidizing leach.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.