Low acid leaching of nickel and cobalt from lean iron-containing nickel ores
US8361191B2 · kind B2 · utility
1Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2011 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Jul 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In various aspects, the invention provides processes that use relatively low levels of acid to leach lean nickel ores, including processes that provide relatively high levels of extraction of nickel and cobalt from nickel laterite ores, in conjunction with relatively low levels of iron extraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.