Efficient electrolytic precious metal recovery system
US4834850A · kind A · utility
18Cited by
22References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jul 27, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C7/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An efficient electrolytic recovery system, having several safety mechanisms, for recovering precious metals from a liquid medium is described. The system includes at least oen electrolysis cell unit having a plurality of reticulate metal foam cathodes. The system of the invention will efficiently recover such precious metals as Au, Ag and Pt. The system may also include a pH adjust means and a means for oxidizing cyanide in the liquid medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.