Cupric and ferric chloride leach of metal sulphide-containing material
US4337128A · kind A · utility
21Cited by
10References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 16, 1981 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Apr 16, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of leaching of metal sulphide-containing material is disclosed. The metal sulphides can be iron, copper, lead, silver, mercury and/or zinc. The leaching is effected by means of chloride-containing solutions through red-ox reaction. The metal sulphide-containing material is reacted with a solution which consists chiefly of cupric chloride and ferric chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.