ECSP982624A - HYDROMETALLURGICAL EXTRACTION OF METALS FROM LATERITE OR SULFIDE MINES - Google Patents
HYDROMETALLURGICAL EXTRACTION OF METALS FROM LATERITE OR SULFIDE MINESInfo
- Publication number
- ECSP982624A ECSP982624A ECSP982624A ECSP982624A EC SP982624 A ECSP982624 A EC SP982624A EC SP982624 A ECSP982624 A EC SP982624A EC SP982624 A ECSP982624 A EC SP982624A
- Authority
- EC
- Ecuador
- Prior art keywords
- metals
- cobalt
- laterite
- mines
- sulfide
- Prior art date
Links
- 239000002184 metal Substances 0.000 title abstract 4
- 229910052751 metal Inorganic materials 0.000 title abstract 4
- 238000000605 extraction Methods 0.000 title abstract 2
- 150000002739 metals Chemical class 0.000 title abstract 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title 1
- 229910001710 laterite Inorganic materials 0.000 title 1
- 239000011504 laterite Substances 0.000 title 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 10
- 229910017052 cobalt Inorganic materials 0.000 abstract 5
- 239000010941 cobalt Substances 0.000 abstract 5
- 229910052759 nickel Inorganic materials 0.000 abstract 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 4
- 239000012141 concentrate Substances 0.000 abstract 2
- 238000001556 precipitation Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- -1 cobalt metals Chemical class 0.000 abstract 1
- 238000002386 leaching Methods 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Un procedimiento para la extracción de metal a partir de una amena o concentrado que contiene valores niquel y/o cobalto y otros metales, comprende someter la mena o concentrado a lixiviación ácida bajo presión a pH 2, para obtener un licor conteniendo valores de niquel y/o cobalto, sometiendo el licor a una primera etapa de precipitación a un pH de alrededor de 5 a 6 para producir un sólido que no contiene metales de niquel ni cobalto y una solución resultante que contienen valores de niquel y/o cobalto y sometiendo la solución resultante a una segunda etapa de precipitación a un pH de aproximadamente 7 a 8, para producir un sólido conteniendo niquel y/o cobalto.A procedure for the extraction of metal from an amine or concentrate that contains nickel and / or cobalt and other metals, comprises subjecting the ore or concentrate to acid leaching under pressure at pH 2, to obtain a liquor containing nickel and / or cobalt, subjecting the liquor to a first precipitation stage at a pH of around 5 to 6 to produce a solid that does not contain nickel or cobalt metals and a resulting solution that contains nickel and / or cobalt values and subjecting the resulting solution to a second precipitation stage at a pH of about 7 to 8, to produce a solid containing nickel and / or cobalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ECSP982624 ECSP982624A (en) | 1998-08-14 | 1998-08-14 | HYDROMETALLURGICAL EXTRACTION OF METALS FROM LATERITE OR SULFIDE MINES |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ECSP982624 ECSP982624A (en) | 1998-08-14 | 1998-08-14 | HYDROMETALLURGICAL EXTRACTION OF METALS FROM LATERITE OR SULFIDE MINES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ECSP982624A true ECSP982624A (en) | 1999-04-16 |
Family
ID=42043544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ECSP982624 ECSP982624A (en) | 1998-08-14 | 1998-08-14 | HYDROMETALLURGICAL EXTRACTION OF METALS FROM LATERITE OR SULFIDE MINES |
Country Status (1)
| Country | Link |
|---|---|
| EC (1) | ECSP982624A (en) |
-
1998
- 1998-08-14 EC ECSP982624 patent/ECSP982624A/en unknown
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