Method and device for producing crude copper
US9867878B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
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Key dates
| Filing date | May 21, 2014 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Oct 28, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method and device for producing a crude copper. The method comprises: mixing and reacting copper smelting molten slag (1), a carbon-containing reductant (2) and an inert gas (3) under pressure, the pressure of the inert gas (3) being 100 kPa to 800 kPa. The device comprises: a furnace body (4) and gas nozzles (411) disposed on the furnace body (4), the gas nozzles (411) being located on the sidewall of the furnace body (4) and connected to the center of the molten pool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.