Acid leaching of copper ore heap with fluoroaliphatic surfactant
US5207996A · kind A · utility
20Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1991 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Oct 10, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Improved methods of heap leaching of copper ore with aqueous sulfuric acid solutions comprising a fluoroaliphatic surfactant are disclosed. The fluoroaliphatic surfactant increases the amount of copper values leached and recovered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.