Hydrometallurgical extraction process
US5411575A · kind A · utility
12Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1994 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | Mar 25, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hydrometallurgical process for treating copper ores or concentrates containing gold by simultaneously leaching both copper and gold into an aqueous cyanide solution, recovering copper and gold in metallic form by electrowinning or cementation and regenerating cyanide ions is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.