PE20030217A1 - Proceso para electrodeposicion directa de cobre - Google Patents

Proceso para electrodeposicion directa de cobre

Info

Publication number
PE20030217A1
PE20030217A1 PE2002000660A PE2002000660A PE20030217A1 PE 20030217 A1 PE20030217 A1 PE 20030217A1 PE 2002000660 A PE2002000660 A PE 2002000660A PE 2002000660 A PE2002000660 A PE 2002000660A PE 20030217 A1 PE20030217 A1 PE 20030217A1
Authority
PE
Peru
Prior art keywords
flow
solution
achieve
slut
psi
Prior art date
Application number
PE2002000660A
Other languages
English (en)
Inventor
John O Marsden
Robert E Brewer
Philip Thompson
David R Baughman
Christel M A Bemelmans
Wayne W Hazen
Joanna M Robertson
Original Assignee
Phelps Dodge Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phelps Dodge Corp filed Critical Phelps Dodge Corp
Publication of PE20030217A1 publication Critical patent/PE20030217A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0063Hydrometallurgy
    • C22B15/0084Treating solutions
    • C22B15/0089Treating solutions by chemical methods
    • C22B15/0093Treating solutions by chemical methods by gases, e.g. hydrogen or hydrogen sulfide
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0063Hydrometallurgy
    • C22B15/0065Leaching or slurrying
    • C22B15/0067Leaching or slurrying with acids or salts thereof
    • C22B15/0071Leaching or slurrying with acids or salts thereof containing sulfur
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0063Hydrometallurgy
    • C22B15/0084Treating solutions
    • C22B15/0089Treating solutions by chemical methods
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

QUE COMPRENDE: a) PROPORCIONAR UN FLUJO DE ALIMENTACION QUE COMPRENDE UN MATERIAL QUE CONTIENE Cu; b) SEPARAR AL MENOS UNA PORCION DE DICHO MATERIAL EN UN FLUJO DE ENTRADA QUE COMPRENDE DICHO MATERIAL; c) LIXIVIAR AL MENOS UNA PORCION DEL FLUJO DE ENTRADA EN UN AMBIENTE OXIDANTE A UNA TEMPERATURA DE 100°C A 250°C Y A UNA PRESION DE 50 psi A 750 psi, PARA LOGRAR UNA LECHADA DEL PRODUCTO QUE COMPRENDE UNA SOLUCION QUE CONTIENE Cu Y UN RESIDUO; d) ACONDICIONAR ESA LECHADA SIN USAR LAS TECNICAS DE EXTRACCION DE SOLVENTES, PARA LOGRAR UNA SOLUCION QUE CONTIENE Cu ADECUADO PARA ELECTRODEPOSICION; Y, e) ELECTRODEPOSITAR Cu DE LA SOLUCION DE (d) PARA LOGRAR Cu CATODICO Y UN FLUJO DE ELECTROLITOS POBRES QUE CONTIENE Cu. EL PASO (b) COMPRENDE HACER REACCIONAR POR LO MENOS UNA PORCION DE Cu EN UN FLUJO DE ELECTROLITOS QUE CONTIENE Cu EN PRESENCIA DE DIOXIDO DE SULFURO, MIENTRAS AL MENOS UNA PORCION DE Cu EN DICHO FLUJO PRECIPITA COMO SULFURO DE COBRE EN AL MENOS UNA PORCION DEL MATERIAL QUE CONTIENE Cu EN EL FLUJO DE ALIMENTACION. EL PASO (d) COMPRENDE MEZCLAR AL MENOS UNA PORCION DE LA SOLUCION QUE CONTIENE Cu CON AL MENOS UNA PORCION DE UNO O MAS FLUJOS QUE CONTIENE Cu o CON AL MENOS UNA PORCION DE UN FLUJO DE ELECTROLITOS QUE CONTIENE Cu, PARA LOGRAR UNA CONCENTRACION DE Cu DE 20 g/L A 75 g/L EN DICHA SOLUCION
PE2002000660A 2001-07-25 2002-07-25 Proceso para electrodeposicion directa de cobre PE20030217A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/912,921 US6451089B1 (en) 2001-07-25 2001-07-25 Process for direct electrowinning of copper

Publications (1)

Publication Number Publication Date
PE20030217A1 true PE20030217A1 (es) 2003-04-03

Family

ID=25432700

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2002000660A PE20030217A1 (es) 2001-07-25 2002-07-25 Proceso para electrodeposicion directa de cobre

Country Status (16)

Country Link
US (4) US6451089B1 (es)
EP (1) EP1412557B1 (es)
JP (1) JP4051029B2 (es)
AP (1) AP1658A (es)
AT (1) ATE321155T1 (es)
AU (1) AU2002329630B2 (es)
BR (1) BR0211410B1 (es)
CA (1) CA2454821C (es)
DE (1) DE60210112D1 (es)
EA (1) EA005630B1 (es)
ES (1) ES2259381T3 (es)
MX (1) MXPA04000749A (es)
PE (1) PE20030217A1 (es)
PL (1) PL205105B1 (es)
WO (1) WO2003010362A2 (es)
ZA (1) ZA200400539B (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA005285B1 (ru) * 2000-07-25 2004-12-30 Фелпс Додж Корпорейшн Способ извлечения меди из содержащего медь материала
OA12344A (en) * 2000-07-25 2006-05-15 Phelps Dodge Corp Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery.
US7476308B2 (en) * 2001-07-25 2009-01-13 Phelps Dodge Corporation Process for multiple stage direct electrowinning of copper
US20050126923A1 (en) * 2001-07-25 2005-06-16 Phelps Dodge Corporation Process for recovery of copper from copper-bearing material using medium temperature pressure leaching, direct electrowinning and solvent/solution extraction
US6451089B1 (en) * 2001-07-25 2002-09-17 Phelps Dodge Corporation Process for direct electrowinning of copper
JP3948342B2 (ja) * 2002-05-10 2007-07-25 住友金属鉱山株式会社 銅鉱石からの銅回収方法
AU2004324610B2 (en) * 2004-10-29 2009-05-21 Freeport-Mcmoran Corporation Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
US7736487B2 (en) 2004-10-29 2010-06-15 Freeport-Mcmoran Corporation Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solution extraction
EP1812625B1 (en) * 2004-10-29 2011-11-02 Freeport-McMoran Corporation Process for multiple stage direct electrowinning of copper
US7402999B2 (en) * 2005-11-30 2008-07-22 General Electric Company Pulsed eddy current pipeline inspection system and method
US20090293680A1 (en) * 2006-03-28 2009-12-03 Ian Christopher Ritchie Processing of Metal Values from Concentrates
WO2007130985A1 (en) * 2006-05-01 2007-11-15 Phelps Dodge Corporation Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
US7648643B1 (en) 2006-06-21 2010-01-19 Phitex, L.L.L.P. Metal recovery process and method
WO2008016541A1 (en) * 2006-07-31 2008-02-07 Wayne Charles Walker Constituent maintenance of a copper sulfate bath through chemical dissolution of copper metal
US7964015B2 (en) * 2007-05-23 2011-06-21 Contact Marketing Solutions, Llc Metal extraction without cyanide
JP5209249B2 (ja) * 2007-08-03 2013-06-12 Dowaメタルマイン株式会社 銅の製造方法
JP5165958B2 (ja) * 2007-08-03 2013-03-21 Dowaメタルマイン株式会社 貴金属の回収方法及び銅の製造方法
JP5209248B2 (ja) * 2007-08-03 2013-06-12 Dowaメタルマイン株式会社 銅電解液原料の製造方法及びこれを用いた銅の製造方法
US7993501B2 (en) 2007-11-07 2011-08-09 Freeport-Mcmoran Corporation Double contact bar insulator assembly for electrowinning of a metal and methods of use thereof
US7998244B2 (en) * 2008-12-16 2011-08-16 Freedom Industries, Inc. Process of treating metal bearing crushed rock to control respirable dust during transport in the process including a metal concentrating circuit
JP5576221B2 (ja) * 2010-09-10 2014-08-20 国立大学法人秋田大学 金属の浸出方法
US9605353B2 (en) 2011-05-27 2017-03-28 Blue Planet Strategies, L.L.C. Apparatus and method for advanced electrochemical modification of liquids
US9011669B2 (en) 2012-09-17 2015-04-21 Blue Planet Strategies, L.L.C. Apparatus and method for electrochemical modification of liquids
FI125388B (en) * 2013-06-07 2015-09-30 Outotec Finland Oy Method for the recovery of copper and precious metals
CN104357661B (zh) * 2014-10-30 2017-05-31 云南铜业股份有限公司 一种从铅冰铜中综合回收铜、铟的方法
US10544482B2 (en) 2015-07-06 2020-01-28 Sherritt International Corporation Recovery of copper from arsenic-containing process feed
PE20191621A1 (es) 2017-04-14 2019-11-06 Sherritt Int Corporation Lixiviacion oxidativa presurizada, de bajo contenido de solidos y baja acidez de materiales de alimentacion sulfurados
WO2024130244A1 (en) * 2022-12-16 2024-06-20 Michigan Technological University Extracting and recovering metals from cathode active materials from li-ion batteries using sulfide minerals and chemicals

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260593A (en) 1962-09-12 1966-07-12 Kennecott Copper Corp Process for leaching copper from lowgrade, copper-bearing ore materials
US3637371A (en) 1967-02-10 1972-01-25 Sherritt Gordon Mines Ltd Direct pressure leaching of copper-iron sulphides
US3528784A (en) 1968-03-21 1970-09-15 Banner Mining Co Method for preliminary beneficiation of calcareous oxidized copper ores by flotation of a high acid-consuming fraction containing low copper values from a low acid-consuming fraction containing higher copper values
BE756944A (fr) 1969-10-02 1971-03-16 American Metal Climax Inc Procede d'oxydation en phase liquide
US3669651A (en) 1970-04-15 1972-06-13 Kennecott Copper Corp Reduction of ferric ions in cyclic process of leaching and precipitation of copper
US3961028A (en) 1971-04-02 1976-06-01 Anumin Pty. Limited Method of producing cuprous sulfate and bisulfate solutions
AU4229072A (en) * 1972-02-16 1973-11-22 Solbeck E Wide-orifice extrusion die
US4020106A (en) 1972-03-21 1977-04-26 Imperial Chemical Industries Limited Metal extraction process
US3896208A (en) 1972-06-26 1975-07-22 Ethyl Corp HCl Treatment of copper sulfide minerals
US4028462A (en) 1972-08-28 1977-06-07 Corporacion De Fomento De La Produccion, Represented By Comite De Investigaciones Technologicas Method of extraction involving the use of solvents and new combination of reactors used
AT319617B (de) * 1973-02-21 1974-12-27 Pawlek Dr Ing Franz Verfahren zur hydrometallurgischen Gewinnung von Kupfer aus Kupferkies- bzw. Buntkupferkieskonzentraten
US3868440A (en) 1973-05-30 1975-02-25 Anaconda Co Recovery of metal values from copper slag
US4039406A (en) 1973-08-10 1977-08-02 Noranda Mines Limited Recovering copper from concentrates with insoluble sulfate forming leach
US3962402A (en) 1974-02-27 1976-06-08 Freeport Minerals Company Oxidation-leaching of chalcopyrite
US3917519A (en) * 1974-02-27 1975-11-04 Freeport Minerals Co Process for the manufacture of electrolytic copper
FR2262699B1 (es) 1974-02-28 1976-12-10 Commissariat Energie Atomique
CA1024352A (en) 1974-10-17 1978-01-17 Wasyl Kunda Process for the recovery of copper and ammonium sulphate from copper-bearing mineral sulphide ores or concentrates
US3991159A (en) 1975-01-09 1976-11-09 Amax Inc. High temperature neutralization of laterite leach slurry
US3958985A (en) 1975-02-07 1976-05-25 Chemsep Corporation Extraction method for non-ferrous metals
US4017309A (en) 1975-03-28 1977-04-12 Holmes & Narver, Inc. Thin layer leaching method
CA1036829A (en) 1975-07-30 1978-08-22 Kohur N. Subramanian Two stage sulfuric acid leaching of sea nodules
US4069119A (en) 1976-05-14 1978-01-17 Continental Oil Company Copper recovery by leaching and ion exchange
US4039405A (en) 1976-05-14 1977-08-02 Continental Oil Company Leaching copper ores and solvent extraction of the copper-bearing solutions
CA1093837A (en) 1976-06-04 1981-01-20 Gerald F. Fountain Dump leaching
US4091070A (en) 1976-08-25 1978-05-23 Inspiration Consolidated Copper Company Recovery of copper
US4165362A (en) 1977-04-08 1979-08-21 Engelhard Minerals & Chemicals Corporation Hydrometallurgical processing of molybdenite ore concentrates
CA1104837A (en) 1977-08-19 1981-07-14 Donald R. Weir Process for recovery of copper and zinc from complex sulfides
US4093526A (en) * 1977-09-08 1978-06-06 Amax Inc. Hydrometallurgical leaching and refining of nickel-copper concentrates, and electrowinning of copper
US4415540A (en) 1978-05-05 1983-11-15 Provincial Holdings Ltd. Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates
US4619814A (en) 1978-05-05 1986-10-28 Provincial Holdings Ltd. Process for the recovery of non-ferrous metals from sulphide ores and concentrates
US4150976A (en) 1978-06-19 1979-04-24 Dart Industries Inc. Method for the recovery of metallic copper
ES476055A1 (es) 1978-12-15 1979-11-01 Redondo Abad Angel Luis Procedimiento para la obtencion de metales no ferreos a par-tir de minerales sulfurados complejos de base piritica que contengan cobre, plomo, cinc, plata y oro
US4272341A (en) 1980-01-09 1981-06-09 Duval Corporation Process for recovery of metal values from lead-zinc ores, even those having a high carbonate content
US4256553A (en) 1980-01-23 1981-03-17 Envirotech Corporation Recovering copper from chalcopyrite concentrate
CA1150062A (en) 1980-06-10 1983-07-19 Robert W. Stanley Hydrometallurgical treatment of copper-bearing hematite residue
US4405569A (en) 1981-11-04 1983-09-20 Sulpetro Minerals Limited Hydrometallurgical process for extracting metal values from complex ores containing arsenic and sulfur
US4507268A (en) 1982-01-25 1985-03-26 Henkel Corporation Solvent extraction
ZA835167B (en) 1982-08-10 1984-05-30 Broken Hill Ass Smelters Hydrometallurgical recovery of metal values from copper containing sulphide materials
US4442072A (en) 1982-10-20 1984-04-10 The United States Of America As Represented By The Secretary Of The Interior Selective recovery of base metals and precious metals from ores
US4892715A (en) 1982-12-20 1990-01-09 Phillips Petroleum Company Recovering mineral values from ores
US4880607A (en) 1982-12-20 1989-11-14 Phillips Petroleum Company Recovering mineral values from ores
US4775413A (en) 1983-04-08 1988-10-04 Phillips Petroleum Company Concentration and recovery of mineral values from ores
US4606764A (en) * 1983-08-17 1986-08-19 Resource Technology Associates Method of recovering metals from ores using a formate reducing agent
CA1234991A (en) 1984-09-27 1988-04-12 Donald R. Weir Recovery of gold from auriferous refractory iron- containing sulphidic ore
US4992200A (en) 1986-01-16 1991-02-12 Henkel Corporation Recovery of precious metals
US4895597A (en) 1986-01-16 1990-01-23 Henkel Corporation Recovery of precious metals
US4814007A (en) 1986-01-16 1989-03-21 Henkel Corporation Recovery of precious metals
US4875935A (en) 1988-11-04 1989-10-24 Nalco Chemical Company Anionic acrylamide polymers as copper ore agglomeration aids
US5028259A (en) 1990-03-06 1991-07-02 Henkel Research Corporation Recovery of precious metal
US5073354A (en) 1990-09-26 1991-12-17 Drew Chemical Corporation Process of stripping gold and silver from carbon
US5059403A (en) 1990-12-03 1991-10-22 Compeq Manufacturing Co., Ltd. Method for producing copper sulfate from waste copper-containing liquid
US5176802A (en) 1991-07-19 1993-01-05 Willem P. C. Duyvesteyn Treatment of copper sulfide concentrates
US5232491A (en) * 1991-10-25 1993-08-03 Dominion Mining Limited Activation of a mineral species
US5356457A (en) 1991-12-18 1994-10-18 Corporacion Nacional Del Cobre De Chile Hydrometallurgical process for the treatment of copper-bearing ore
US5223024A (en) 1992-06-19 1993-06-29 Cominco Engineering Services Ltd. Hydrometallurgical copper extraction process
US5316567A (en) * 1992-06-19 1994-05-31 Cominco Engineering Services Ltd. Hydrometallurgical copper extraction process
US5902474A (en) 1993-07-29 1999-05-11 Cominco Engineering Services Ltd. Chloride assisted hydrometallurgical extraction of metal
USRE37251E1 (en) * 1993-07-29 2001-07-03 Cominco Engineering Services Ltd. Chloride assisted hydrometallurgical extraction of metal
GB9422476D0 (en) 1994-11-08 1995-01-04 Sherritt Inc Recovery of zinc from sulphidic concentrates
GB9503877D0 (en) * 1995-02-27 1995-04-19 Sherritt Inc Recovery of copper from sulphidic concentrates
US5670035A (en) 1995-06-06 1997-09-23 Henkel Corporation Method for recovering copper
AUPN476695A0 (en) 1995-08-14 1995-09-07 Dominion Mining Limited Method of processing a copper mineral species
US5698170A (en) 1995-11-22 1997-12-16 Placer Dome, Inc. Hydrometallurgical process for copper-containing materials
US5849172A (en) 1997-06-25 1998-12-15 Asarco Incorporated Copper solvent extraction and electrowinning process
US5989311A (en) 1997-07-28 1999-11-23 South Dakota School Of Mines And Technology Recovery of copper from its sulfides and other sources using halogen reagents and oxidants
US6528784B1 (en) * 1999-12-03 2003-03-04 Thermo Finnigan Llc Mass spectrometer system including a double ion guide interface and method of operation
US6660059B2 (en) * 2000-05-19 2003-12-09 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US6451089B1 (en) * 2001-07-25 2002-09-17 Phelps Dodge Corporation Process for direct electrowinning of copper

Also Published As

Publication number Publication date
AP1658A (en) 2006-09-04
BR0211410A (pt) 2004-11-09
BR0211410B1 (pt) 2011-12-27
US6451089B1 (en) 2002-09-17
US6663689B2 (en) 2003-12-16
JP4051029B2 (ja) 2008-02-20
ES2259381T3 (es) 2006-10-01
WO2003010362A2 (en) 2003-02-06
DE60210112D1 (de) 2006-05-11
ATE321155T1 (de) 2006-04-15
US20030019331A1 (en) 2003-01-30
US20060196313A1 (en) 2006-09-07
ZA200400539B (en) 2004-11-19
CA2454821A1 (en) 2003-02-06
AU2002329630B2 (en) 2005-10-13
WO2003010362B1 (en) 2003-10-23
EA200400225A1 (ru) 2004-06-24
JP2004536966A (ja) 2004-12-09
MXPA04000749A (es) 2004-07-08
EP1412557A2 (en) 2004-04-28
EP1412557B1 (en) 2006-03-22
US6972107B2 (en) 2005-12-06
AP2004002966A0 (en) 2003-03-31
CA2454821C (en) 2008-04-29
PL205105B1 (pl) 2010-03-31
PL367714A1 (en) 2005-03-07
US20040130076A1 (en) 2004-07-08
WO2003010362A3 (en) 2003-08-28
EA005630B1 (ru) 2005-04-28

Similar Documents

Publication Publication Date Title
PE20030217A1 (es) Proceso para electrodeposicion directa de cobre
AR051874A1 (es) Metodo para el tratamiento hidrometalurgico de concentrado de sulfuro que contiene diversos metales valiosos
AR029927A1 (es) Metodo para lixiviacion con tiosulfato de materiales que contienen metales preciosos
PE20060406A1 (es) Proceso de electrodeposicion directa de cobre en multiples etapas
EA200700857A1 (ru) Способ извлечения меди из медьсодержащего материала
AP2002002706A0 (en) Process for recovering platinum group metals from material containing base metals.
PE20090120A1 (es) Proceso para la recuperacion de metal precioso de un mineral o concentrado de sulfuro u otro material de alimentacion
EA200800543A1 (ru) Способ переработки никельсодержащего сырьевого материала в выщелачивающем растворе на основе хлорида
AR016622A1 (es) Un procedimiento para la extraccion de cobre a partir de mena o concentrado de sulfuro de cobre
AR060899A1 (es) Un metodo para recuperar cobre desde un mineral de sulfuro de cobre, en un reactor
MX2023014027A (es) Proceso para la recuperacion selectiva de elementos del grupo calcofilo.
CL2020000763A1 (es) Proceso para la lixiviación ácida de metales preciosos y calcófilos.
CR6457A (es) Sulfidizacion el mineral sulfuro para la extraccion hidrometalurgica del cobre y otros metales
PE20191161A1 (es) Metodo hidrometalurgico y pirometalurgico integrado para el procesamiento de mineral
AP1794A (en) Process for extracting platinum group metals.
GB0413110D0 (en) Cooling apparatus
PE20130905A1 (es) Procedimiento de lixiviacion para concentrados de cobre con un catalizador de carbono
SE468286B (sv) Foerfarande foer behandling av komplexa metallsulfidmaterial
NO20061067L (no) Forbedringer i prosessen for gull- og solvuthenting med tiourealosninger
PE20001201A1 (es) Proceso para biolixiviacion de concentrados de cobre
AR082048A1 (es) Un metodo para recuperar cobre de una mena que contiene mineral de sulfuro de cobre
PE20050559A1 (es) Metodo para fundir concentrados de sulfuro de cobre
RU2356957C1 (ru) Способ извлечения золота, серебра и меди из отработанных электролитов
Mrazikova et al. Nickel recovery from printed circuit boards using acidophilic bacteria
PE20091853A1 (es) Proceso de lixiviacion y recuperacion de plata y oro con soluciones de tiosulfato amoniacales de cobre

Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed