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
- 229910052751 metal Inorganic materials 0.000 title abstract 5
- 239000002184 metal Substances 0.000 title abstract 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
- 230000003647 oxidation Effects 0.000 abstract 4
- 238000007254 oxidation reaction Methods 0.000 abstract 4
- 239000007787 solid Substances 0.000 abstract 3
- -1 sulfate basic salt Chemical class 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052728 basic metal Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229910000365 copper sulfate Inorganic materials 0.000 abstract 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 238000002386 leaching Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
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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