CU20140083A7 - PROCEDURE TO IMPROVE THE DENSIFICATION OF WATERPROOF PULPES OF LEMONY MINERALS IN PRESSURE ACID TECHNOLOGY WITH PHYSICAL-CHEMICAL TREATMENT - Google Patents
PROCEDURE TO IMPROVE THE DENSIFICATION OF WATERPROOF PULPES OF LEMONY MINERALS IN PRESSURE ACID TECHNOLOGY WITH PHYSICAL-CHEMICAL TREATMENTInfo
- Publication number
- CU20140083A7 CU20140083A7 CUP2014000083A CU20140083A CU20140083A7 CU 20140083 A7 CU20140083 A7 CU 20140083A7 CU P2014000083 A CUP2014000083 A CU P2014000083A CU 20140083 A CU20140083 A CU 20140083A CU 20140083 A7 CU20140083 A7 CU 20140083A7
- Authority
- CU
- Cuba
- Prior art keywords
- pulp
- physical
- minerals
- chemical treatment
- densification
- Prior art date
Links
- 239000000126 substance Substances 0.000 title abstract 4
- 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
- 239000002253 acid Substances 0.000 title abstract 2
- 238000000280 densification Methods 0.000 title abstract 2
- 238000005516 engineering process Methods 0.000 title abstract 2
- 239000007787 solid Substances 0.000 abstract 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000009854 hydrometallurgy Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 230000008719 thickening Effects 0.000 abstract 1
Landscapes
- Paper (AREA)
Abstract
La invención se relaciona con la hidrometalurgia extractiva, en particular con el procesamiento de los minerales con contenido de Ni + Co. Se proporciona un procedimiento para mejorar la densificación de pulpas acuosas de minerales limoníticos en la tecnología ácida a presión, caracterizado por el tratamiento físico- químico de la pulpa, que se lleva a cabo mediante la preparación de la pulpa con 35- 41 % de sólidos o más, el tratamiento controlado y posterior su dilución a 15-25 % sólido durante un tiempo y su espesamiento mediante un proceso de sedimentación. La pulpa se somete a un tratamiento físico-químico controlado o proceso de envejecimiento, para lo cual la pulpa es depositada en un reactor( tanque o depósito) en un tiempo entre 4-40 minutos, con un pH entre 4,6-6,6 posteriormente se diluye a 15-25 % de sólido y se bombea a los sedimentadores para obtener una pulpa entre 46 y 48 % de sólidos. Alternativamente, se añade sales metálicas Al, Mn, Fe y Mg, entre otras en medio ácido, durante y previo a el tratamiento físico- químico de la pulpa, lo que le confiere una buena viscosidad y capacidad de bombeo.The invention relates to extractive hydrometallurgy, in particular with the processing of minerals with Ni + Co. content. A method is provided for improving the densification of aqueous pulps of limonite minerals in acidic pressure technology, characterized by physical treatment. - pulp chemical, which is carried out by preparing the pulp with 35-41% solids or more, the controlled treatment and subsequent dilution to 15-25% solid for a time and thickening by a process of sedimentation. The pulp is subjected to a controlled physical-chemical treatment or aging process, for which the pulp is deposited in a reactor (tank or tank) in a time between 4-40 minutes, with a pH between 4.6-6, 6 is subsequently diluted to 15-25% solid and the settlers are pumped to obtain a pulp between 46 and 48% solids. Alternatively, metal salts Al, Mn, Fe and Mg are added, among others in an acid medium, during and before the physical-chemical treatment of the pulp, which gives it a good viscosity and pumping capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CUP2014000083A CU20140083A7 (en) | 2014-07-08 | 2014-07-08 | PROCEDURE TO IMPROVE THE DENSIFICATION OF WATERPROOF PULPES OF LEMONY MINERALS IN PRESSURE ACID TECHNOLOGY WITH PHYSICAL-CHEMICAL TREATMENT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CUP2014000083A CU20140083A7 (en) | 2014-07-08 | 2014-07-08 | PROCEDURE TO IMPROVE THE DENSIFICATION OF WATERPROOF PULPES OF LEMONY MINERALS IN PRESSURE ACID TECHNOLOGY WITH PHYSICAL-CHEMICAL TREATMENT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CU20140083A7 true CU20140083A7 (en) | 2016-02-29 |
Family
ID=55660095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CUP2014000083A CU20140083A7 (en) | 2014-07-08 | 2014-07-08 | PROCEDURE TO IMPROVE THE DENSIFICATION OF WATERPROOF PULPES OF LEMONY MINERALS IN PRESSURE ACID TECHNOLOGY WITH PHYSICAL-CHEMICAL TREATMENT |
Country Status (1)
| Country | Link |
|---|---|
| CU (1) | CU20140083A7 (en) |
-
2014
- 2014-07-08 CU CUP2014000083A patent/CU20140083A7/en unknown
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