Processing nickel bearing sulphides
US8753593B2 · kind B2 · utility
3Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2009 |
| Grant date | Jun 17, 2014 |
| Priority date | — |
| Expiry date | Jan 9, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D1/012
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of separating nickel bearing sulphides from mined ores or concentrates of mined ores that contain talc is disclosed. The method comprises treating a slurry of mined ores or concentrates of mined ores in at least one flotation stage and in at least one cleaner circuit. The method further comprises sequenced re-grinding, as described herein, of particles in the slurry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.