ECSP982625A - HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE - Google Patents
HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDEInfo
- Publication number
- ECSP982625A ECSP982625A ECSP982625A ECSP982625A EC SP982625 A ECSP982625 A EC SP982625A EC SP982625 A ECSP982625 A EC SP982625A EC SP982625 A ECSP982625 A EC SP982625A
- Authority
- EC
- Ecuador
- Prior art keywords
- oxidation
- pressure
- sulfate
- metal
- subjected
- Prior art date
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Un procedimiento para extraer cobre a partir de una mena o concentrado sulfúrico, comprende las etapas se somete la mena o concentrado a oxidación con presión en presencia de oxígeno y una solución ácida conteniendo iones de haluro y sulfato, para obtener una suspención resultante de oxidación con presión. La suspensión es sometida a una etapa de separación líquido/sólido para obtener un filtardo resultante de oxidación con presión y un residuo sólido conteniendo una sal básica de sulfato metálico insoluble. La sal básica de sulfato metálico es lixivida en una segunda etapa de lixiviación conteniendo un sulfato metálico, por ejemplo, sulfato de cobre en la solución y un residuo sólido y sometido a un procedimiento de extracción con disolvente para producir una solución metálica concentrada y un refinado con el metal agotado. Por lo menos una porción del refinado es reciclada a la oxidación con presión.A procedure for extracting copper from a ore or sulfuric concentrate, comprises the steps the ore or concentrate is subjected to oxidation with pressure in the presence of oxygen and an acid solution containing halide and sulfate ions, to obtain a suspension resulting from oxidation with Pressure. The suspension is subjected to a liquid / solid separation step to obtain a filtrate resulting from pressure oxidation and a solid residue containing an insoluble metal sulfate basic salt. The basic metal sulfate salt is leached in a second leaching stage containing a metal sulfate, for example, copper sulfate in the solution and a solid residue and subjected to a solvent extraction procedure to produce a concentrated metal solution and refining with the metal exhausted. At least a portion of the raffinate is recycled to pressure oxidation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ECSP982625 ECSP982625A (en) | 1998-08-14 | 1998-08-14 | HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ECSP982625 ECSP982625A (en) | 1998-08-14 | 1998-08-14 | HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE |
Publications (1)
Publication Number | Publication Date |
---|---|
ECSP982625A true ECSP982625A (en) | 1999-04-16 |
Family
ID=42043545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ECSP982625 ECSP982625A (en) | 1998-08-14 | 1998-08-14 | HYDROMETALLURGICAL METAL EXTRACTION FACILITATED WITH CHLORIDE |
Country Status (1)
Country | Link |
---|---|
EC (1) | ECSP982625A (en) |
-
1998
- 1998-08-14 EC ECSP982625 patent/ECSP982625A/en unknown
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