Method for treating copper concentrates
US10781505B2 · kind B2 · utility
0Cited by
5References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 10, 2016 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Nov 6, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B15/0041
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for the pyrometallurgical processing of a sulphide material containing copper, the sulphide containing relatively high quantities of silica and relatively low quantities of iron, wherein the process comprises feeding the sulphide material to a TSL furnace operated under oxidising conditions such that the sulphide material forms blister copper containing between 1.2 and 1.5 wt % sulphur and a slag containing between 7 and 13 wt % copper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.