Direct purification of a nickel laterite leaching effluent
US8628739B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2012 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Feb 1, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention refers to a direct purification process of a nickel laterite leaching effluent including adjusting a pH of a leaching solution, employing an ion exchange resin to adsorb nickel and copper selectively over ferric or ferrous iron, and recovering nickel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.