MX9708036A - Metodo para procesar minerales auriferos sulfurados que incluye la preparacion de un concentrado de sulfuros. - Google Patents
Metodo para procesar minerales auriferos sulfurados que incluye la preparacion de un concentrado de sulfuros.Info
- Publication number
- MX9708036A MX9708036A MX9708036A MX9708036A MX9708036A MX 9708036 A MX9708036 A MX 9708036A MX 9708036 A MX9708036 A MX 9708036A MX 9708036 A MX9708036 A MX 9708036A MX 9708036 A MX9708036 A MX 9708036A
- Authority
- MX
- Mexico
- Prior art keywords
- sulfide
- ore
- flotation
- oxygen
- comminution
- Prior art date
Links
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title abstract 3
- 239000012141 concentrate Substances 0.000 title abstract 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title abstract 2
- 239000010931 gold Substances 0.000 title abstract 2
- 229910052737 gold Inorganic materials 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 6
- 238000005188 flotation Methods 0.000 abstract 4
- 229910052569 sulfide mineral Inorganic materials 0.000 abstract 4
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 238000010301 surface-oxidation reaction Methods 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Se provee un método para procesar un mineral aurífero sulfurado que consiste en mantener al mineral en un ambiente sustancialmente libre de oxígeno, que preferentemente comienza con la trituracion del mineral y finaliza cuando se obtiene por flotacion un concentrado final deseado enriquecido en minerales sulfurados. En una realizacion, se utiliza gas nitrogeno para impedir sustancialmente el contacto entre el mineral y el aire durante la trituracion del mismo y durante las operaciones de flotacion. Se cree que el gas oxígeno presente en el aire afecta negativamente la recuperacion de minerales sulfatados en un concentrado de flotacion a través de la oxidacion superficial de las partículas de mineral sulfurado. El uso de un gas como el nitrogeno puede reducir significativamente el potencial para dicha oxidacion superficial. Además, se pueden usar ventajosamente gases separados de una planta de oxígeno, usándose una corriente de gas oxígeno, por ejemplo, para la oxidacion a presion de los materiales de mineral sulfurado y usando una corriente de gas nitrogeno en las operaciones de trituracion y/o flotacion, lo que implica un uso ventajoso de una corriente de subproducto que anteriormente se venteaba a la atmosfera como desperdicio.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/423,839 US5653945A (en) | 1995-04-18 | 1995-04-18 | Method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate |
| US08423839 | 1995-04-18 | ||
| PCT/US1996/003885 WO1996033146A1 (en) | 1995-04-18 | 1996-03-22 | A method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX9708036A true MX9708036A (es) | 1998-03-31 |
| MXPA97008036A MXPA97008036A (es) | 1998-10-15 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996033146A1 (en) | 1996-10-24 |
| AU699155B2 (en) | 1998-11-26 |
| CA2217457A1 (en) | 1996-10-24 |
| AU5427496A (en) | 1996-11-07 |
| US5653945A (en) | 1997-08-05 |
| PE9096A1 (es) | 1996-04-01 |
| BR9608164A (pt) | 1999-02-09 |
| NZ306105A (en) | 1999-11-29 |
| AR001644A1 (es) | 1997-11-26 |
| CA2217457C (en) | 2004-02-03 |
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