PE20010614A1 - SILVER RECOVERY FROM AN ACID BRINE SOLUTION - Google Patents
SILVER RECOVERY FROM AN ACID BRINE SOLUTIONInfo
- Publication number
- PE20010614A1 PE20010614A1 PE2000000767A PE0007672000A PE20010614A1 PE 20010614 A1 PE20010614 A1 PE 20010614A1 PE 2000000767 A PE2000000767 A PE 2000000767A PE 0007672000 A PE0007672000 A PE 0007672000A PE 20010614 A1 PE20010614 A1 PE 20010614A1
- Authority
- PE
- Peru
- Prior art keywords
- solution
- current
- brine solution
- acid brine
- silver recovery
- Prior art date
Links
- 239000000243 solution Substances 0.000 title abstract 5
- 239000002253 acid Substances 0.000 title abstract 2
- 239000012267 brine Substances 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title abstract 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title 1
- 229910052709 silver Inorganic materials 0.000 title 1
- 239000004332 silver Substances 0.000 title 1
- 239000004568 cement Substances 0.000 abstract 2
- 238000002386 leaching Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 1
- 239000012535 impurity 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
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet 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
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/046—Recovery of noble metals from waste materials from manufactured products, e.g. from printed circuit boards, from photographic films, paper or baths
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (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
DONDE LA RECUPERACION COMPRENDE: a) AGREGAR Cu(I) A LA SOLUCION PARA CEMENTAR POR UN PERIODO DE HASTA 2 HORAS Ag(I) Y FORMAR UNA SUSPENSION; b) ANTES O DURANTE EL PASO (a), AJUSTAR EL pH DE LA SOLUCION A UN VALOR ENTRE 0,1 Y 5; c) RECUPERAR Ag COMO CEMENTO DE Ag, POR SEPARACION LIQUIDO/SOLIDO DESDE LA SUSPENSION; d) DIVIDIR LA SOLUCION FORMADA EN (c) EN DOS CORRIENTES Y REMOVER LAS IMPUREZAS; e) REMOVER Cu DE UNA DE LAS CORRIENTES, USANDO SULFURO PARA PRECIPITAR Cu COMO CuS; f) REDUCIR Cu(II) A Cu(I) DE LA OTRA CORRIENTE, Y CLARIFICAR POR SEPARACION SOLIDO/LIQUIDO ESTA CORRIENTE POR REMOCION DE Cu METALICO AL PASO (f); g) USAR LA CORRIENTE CLARIFICADA PARA PROVEER Cu(I) AL PASO (a). LA SOLUCION DE SALMUERA ACIDA SE FORMA LIXIVIANDO CON SALMUERA UN RESIDUO DE BIO-LIXIVIACION CONTENIENDO Ag Y Cu, ESTANDO A UNA TEMPERATURA ENTRE LA AMBIENTAL Y 50°C, Y EN UNA ATMOSFERA NO OXIDANTEWHERE THE RECOVERY INCLUDES: a) ADD Cu (I) TO THE SOLUTION TO CEMENT FOR A PERIOD OF UP TO 2 HOURS Ag (I) AND FORM A SUSPENSION; b) BEFORE OR DURING STEP (a), ADJUST THE pH OF THE SOLUTION TO A VALUE BETWEEN 0.1 AND 5; c) RECOVER Ag AS AG CEMENT, BY LIQUID / SOLID SEPARATION FROM THE SUSPENSION; d) DIVIDE THE SOLUTION FORMED IN (c) INTO TWO CURRENTS AND REMOVE THE IMPURITIES; e) REMOVE Cu FROM ONE OF THE CURRENTS, USING SULFIDE TO PRECIPITATE Cu AS CuS; f) REDUCE Cu (II) TO Cu (I) FROM THE OTHER CURRENT, AND CLARIFY BY SOLID / LIQUID SEPARATION THIS CURRENT BY REMOVAL OF METALLIC Cu AT THE STEP (f); g) USE THE CLARIFIED CURRENT TO PROVIDE Cu (I) TO THE STEP (a). THE ACID BRINE SOLUTION IS FORMED BY LEACHING WITH BRINE A BIO-LEACHING RESIDUE CONTAINING Ag AND Cu, BEING AT A TEMPERATURE BETWEEN AMBIENT AND 50 ° C, AND IN A NON-OXIDIZING ATMOSPHERE
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA994930 | 1999-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
PE20010614A1 true PE20010614A1 (en) | 2001-05-25 |
Family
ID=25587837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PE2000000767A PE20010614A1 (en) | 1999-08-02 | 2000-08-01 | SILVER RECOVERY FROM AN ACID BRINE SOLUTION |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU6804900A (en) |
PE (1) | PE20010614A1 (en) |
WO (1) | WO2001009399A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI116684B (en) * | 2003-09-23 | 2006-01-31 | Outokumpu Oy | Procedure for treating anode slurry |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB644585A (en) * | 1946-11-26 | 1950-10-11 | United States Radium Corp | Radioactive metal products and method for making the same |
US4124379A (en) * | 1977-01-17 | 1978-11-07 | Cyprus Metallurgical Processes Corporation | Recovery of silver from cuprous chloride solutions by amalgamation |
AT387587B (en) * | 1986-10-31 | 1989-02-10 | Austria Metall | HYDROMETALLURGICAL METHOD FOR THE EXTRACTION OF SILVER FROM THE ANODE SLUDGE OF COPPER ELECTROLYSIS AND SIMILAR RAW MATERIALS |
JP2561862B2 (en) * | 1989-05-09 | 1996-12-11 | 同和鉱業株式会社 | Purification and electrolysis method for obtaining ultra high purity copper |
JP2791161B2 (en) * | 1990-01-26 | 1998-08-27 | 田中貴金属工業株式会社 | Method for recovering silver from silver-containing nitric acid solution |
-
2000
- 2000-08-01 PE PE2000000767A patent/PE20010614A1/en not_active Application Discontinuation
- 2000-08-02 AU AU68049/00A patent/AU6804900A/en not_active Abandoned
- 2000-08-02 WO PCT/ZA2000/000130 patent/WO2001009399A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
AU6804900A (en) | 2001-02-19 |
WO2001009399A1 (en) | 2001-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration | ||
FD | Application declared void or lapsed |