Process for the recovery of gold and silver from used refractory bricks
US6602319B1 · kind B1 · utility
18Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2002 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Apr 1, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the recovery of gold and silver from the used refractory bricks of Dore furnace. This invention particularly relates to a process for the recovery of gold and silver from the used refractory bricks generated during the processing of the anode slimes of copper industry, through a non-cyanide route. The invention is useful for gold producing, gold refining and copper producing industries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.