CU23489A3 - PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR THE RECOVERY OF A VALUABLE METAL OF A MINERAL - Google Patents
PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR THE RECOVERY OF A VALUABLE METAL OF A MINERALInfo
- Publication number
- CU23489A3 CU23489A3 CU20080102A CU20080102A CU23489A3 CU 23489 A3 CU23489 A3 CU 23489A3 CU 20080102 A CU20080102 A CU 20080102A CU 20080102 A CU20080102 A CU 20080102A CU 23489 A3 CU23489 A3 CU 23489A3
- Authority
- CU
- Cuba
- Prior art keywords
- metal
- leaching
- valuable metal
- hydrochloric acid
- mineral
- Prior art date
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000011707 mineral Substances 0.000 title abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title 1
- 239000002253 acid Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 abstract 11
- 239000002184 metal Substances 0.000 abstract 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 8
- 238000002386 leaching Methods 0.000 abstract 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 150000003841 chloride salts Chemical class 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910001510 metal chloride Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- -1 platinum group metals Chemical class 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000012808 vapor phase Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Se describe un proceso para lixiviar un metal valioso de un mineral que contiene dicho metal valioso, el proceso incluye las etapas de lixiviar el mineral en la presencia de ácido clorhídrico con el fin de formar una sal de cloruro de metal soluble en una solución de lixiviación; agregar ácido sulfúrico y/o dióxido de azufre a la solución de lixiviación; recuperar una sal de sulfato de metal o sulfito de metal de la solución de lixiviación; regenerar el ácido clorhídrico; y transferir continuamente al menos una porción del ácido clorhídrico regenerado en solución a la fase de vapor. El ácido clorhídrico vaporizado es entonces capturado y devuelto a la etapa de lixiviación. Se puede agregar ácido sulfúrico y/o dióxido de ázufre a la solución de lixiviación o después de la etapa de lixiviación. El metal valioso se selecciona típicamente del grupo consistente de Zn, Cu, Ti, Al, Cr, Ni, Co, Mn, Fe, Pb, Na, K, Ca, metales del grupo del platino y oro. El metal en la sal de sulfato o sulfito de metal puede ser el metal valioso, o puede ser un metal de menos valor que el metal valioso, tal como magnesio.A process for leaching a valuable metal from a mineral containing said valuable metal is described, the process includes the steps of leaching the mineral in the presence of hydrochloric acid in order to form a soluble metal chloride salt in a leaching solution. ; add sulfuric acid and / or sulfur dioxide to the leaching solution; recovering a metal sulfate or metal sulphite salt from the leaching solution; regenerate hydrochloric acid; and continuously transfer at least a portion of the regenerated hydrochloric acid in solution to the vapor phase. The vaporized hydrochloric acid is then captured and returned to the leaching stage. Sulfuric acid and / or sulfur dioxide can be added to the leaching solution or after the leaching stage. The valuable metal is typically selected from the group consisting of Zn, Cu, Ti, Al, Cr, Ni, Co, Mn, Fe, Pb, Na, K, Ca, platinum group metals and gold. The metal in the metal sulfate or sulphite salt may be the valuable metal, or it may be a less valuable metal than the valuable metal, such as magnesium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CU20080102A CU23489A3 (en) | 2008-05-28 | 2008-05-28 | PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR THE RECOVERY OF A VALUABLE METAL OF A MINERAL |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CU20080102A CU23489A3 (en) | 2008-05-28 | 2008-05-28 | PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR THE RECOVERY OF A VALUABLE METAL OF A MINERAL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CU23489A3 true CU23489A3 (en) | 2010-02-23 |
Family
ID=42628495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CU20080102A CU23489A3 (en) | 2008-05-28 | 2008-05-28 | PROCESS OF LIXIVIATION IN THE PRESENCE OF CHLORIDE ACID FOR THE RECOVERY OF A VALUABLE METAL OF A MINERAL |
Country Status (1)
| Country | Link |
|---|---|
| CU (1) | CU23489A3 (en) |
-
2008
- 2008-05-28 CU CU20080102A patent/CU23489A3/en active IP Right Grant
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant of patent |