Process for electrowinning of massive zinc with hydrogen anodes
US4412894A · kind A · utility
2Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1981 |
| Grant date | Nov 1, 1983 |
| Priority date | — |
| Expiry date | Jul 6, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C1/16
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This disclosure is concerned with electrowinning massive zinc with hydrogen anodes and with critical concentration ranges of Zn++ in the electrolyte and of free sulphuric acid, adjusted for optimum energy considerations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.