Pyrometallurgical method
US8657916B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2011 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Jul 6, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for the pyrometallurgical processing of sulphide material containing nickel using a fluxing composition that includes calcium. The fluxing composition forms a slag having an Fe/CaO ratio of between about 0.5 and 5.0 by weight and an SiO2/Fe ratio of less than 0.2 by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.