Pyrometallurgical process for lead refining
US4076523A · kind A · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 1976 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Jul 15, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B13/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process is provided for obtaining lead bullion by the reduction of sintered ore which is produced by sintering materials including lead concentrate, said process being characterized in that zinc removed tailings are mixed into said materials, whereby the productivity of the pyrometallurgical lead refining may be improved and valuable metals may also be recovered from the zinc removed tailings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.