Methods for selective leaching and extraction of precious metals in organic solvents
US11408053B2 · kind B2 · utility
1Cited by
7References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2016 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Apr 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present application relates to methods for leaching and extraction of precious metals. For example, the present application relates to methods of leaching gold, palladium and/or platinum from a substance comprising gold, palladium and/or platinum (such as a gold-containing ore or a platinum group metal (PGM) concentrate) using an organic solvent that is water-miscible or partially water-miscible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.