AP2571A - Method for thiosulfate leaching of precious metal-containing materials - Google Patents

Method for thiosulfate leaching of precious metal-containing materials

Info

Publication number
AP2571A
AP2571A AP2009004750A AP2009004750A AP2571A AP 2571 A AP2571 A AP 2571A AP 2009004750 A AP2009004750 A AP 2009004750A AP 2009004750 A AP2009004750 A AP 2009004750A AP 2571 A AP2571 A AP 2571A
Authority
AP
ARIPO
Prior art keywords
precious metal
containing materials
thiosulfate leaching
thiosulfate
leaching
Prior art date
Application number
AP2009004750A
Other languages
English (en)
Other versions
AP2009004750A0 (en
Inventor
Ralph Peter Hackl
Jinxing Ji
Paul George West-Sells
Original Assignee
Placer Dome Technical Services
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 Placer Dome Technical Services filed Critical Placer Dome Technical Services
Publication of AP2009004750A0 publication Critical patent/AP2009004750A0/xx
Application granted granted Critical
Publication of AP2571A publication Critical patent/AP2571A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G5/00Compounds of silver
    • C01G5/003Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G55/00Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
    • C01G55/001Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G7/00Compounds of gold
    • C01G7/003Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/04Obtaining noble metals by wet processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08Sulfuric acid, other sulfurated acids or salts thereof
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/12Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Extraction Or Liquid Replacement (AREA)
AP2009004750A 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing materials AP2571A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42634302P 2002-11-15 2002-11-15
US10/713,640 US7722840B2 (en) 2002-11-15 2003-11-13 Method for thiosulfate leaching of precious metal-containing materials
PCT/IB2003/006475 WO2004046036A2 (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing materials

Publications (2)

Publication Number Publication Date
AP2009004750A0 AP2009004750A0 (en) 2009-02-28
AP2571A true AP2571A (en) 2013-01-23

Family

ID=32329105

Family Applications (2)

Application Number Title Priority Date Filing Date
AP2009004750A AP2571A (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing materials
AP2005003335A AP2018A (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing minerals

Family Applications After (1)

Application Number Title Priority Date Filing Date
AP2005003335A AP2018A (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing minerals

Country Status (8)

Country Link
US (3) US7722840B2 (xx)
AP (2) AP2571A (xx)
AU (1) AU2003302110B2 (xx)
CA (2) CA2505740C (xx)
GB (1) GB2411170B (xx)
MX (1) MXPA05005292A (xx)
PE (1) PE20040483A1 (xx)
WO (1) WO2004046036A2 (xx)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660059B2 (en) 2000-05-19 2003-12-09 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US7722840B2 (en) * 2002-11-15 2010-05-25 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
EP1433860A1 (en) * 2002-12-23 2004-06-30 Paques B.V. Process for regenerating thiosulphate from a spent thiosulphate gold leachant
US7285256B2 (en) 2003-04-04 2007-10-23 Newmont Usa Limited Precious metal recovery using thiocyanate lixiviant
US7604783B2 (en) 2004-12-22 2009-10-20 Placer Dome Technical Services Limited Reduction of lime consumption when treating refractor gold ores or concentrates
US7572317B2 (en) * 2005-11-10 2009-08-11 Barrick Gold Corporation Thiosulfate generation in situ in precious metal recovery
AR057171A1 (es) * 2005-11-10 2007-11-21 Barrick Gold Corp Proceso para recuperar metal precioso.
WO2007087675A1 (en) * 2006-01-31 2007-08-09 Murrin Murrin Operations Pty Ltd Improved base metal recovery process from heap leaching
US7985277B2 (en) * 2006-03-03 2011-07-26 Metal Asia International, Ltd. Process for extracting gold from gold-bearing ore
US8061888B2 (en) 2006-03-17 2011-11-22 Barrick Gold Corporation Autoclave with underflow dividers
WO2007115399A1 (en) * 2006-04-07 2007-10-18 Queen's University At Kingston Precious metal recovery from solution
US8252254B2 (en) * 2006-06-15 2012-08-28 Barrick Gold Corporation Process for reduced alkali consumption in the recovery of silver
WO2008130649A1 (en) * 2007-04-18 2008-10-30 Orchard Material Technology, Llc Oxidation of metallic materials as part of an extraction, purification and/or refining process
US7901940B2 (en) * 2008-06-06 2011-03-08 Basf Corporation Method for measuring recovery of catalytic elements from fuel cells
EP2566992A1 (en) 2010-05-07 2013-03-13 B9 Plasma, Inc. Controlled bubble collapse milling
FR2966470B1 (fr) * 2010-10-25 2012-12-14 Christian Queyroix Procede et systeme de traitement destine a extraire de l'or contenu dans un minerai aurifere.
US8753513B2 (en) 2010-11-09 2014-06-17 International Business Machines Corporation Ammonia-peroxide wastewater treatment system
US8715389B2 (en) 2010-12-07 2014-05-06 Barrick Gold Corporation Co-current and counter current resin-in-leach in gold leaching processes
RO126480B1 (ro) * 2011-03-09 2012-11-29 Viorel-Alexandru Măluşel Procedeu de obţinere a aurului şi argintului
JP5554285B2 (ja) * 2011-03-30 2014-07-23 Jx日鉱日石金属株式会社 金の浸出方法
AR086933A1 (es) 2011-06-15 2014-01-29 Barrick Gold Corp Metodo para recuperar metales preciosos y cobre de soluciones de lixiviado
CA2843791C (en) * 2011-08-15 2017-03-14 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Process of leaching precious metals
US8931642B2 (en) 2013-01-14 2015-01-13 William D. Simmons Activated flotation circuit for processing combined oxide and sulfide ores
AU2014212122B2 (en) * 2013-02-01 2018-03-22 Jody Kelso Method for recovery of metals from sulfide ores
US10161016B2 (en) 2013-05-29 2018-12-25 Barrick Gold Corporation Method for pre-treatment of gold-bearing oxide ores
BR112016002948B1 (pt) 2013-08-15 2020-12-01 Hatch Ltd método para controlar o tempo de retenção de uma mistura de reação aquosa em um reator e reator com controle de tempo de retenção
RO129874B1 (ro) * 2014-04-30 2018-05-30 Florean Victor Procedeu de extragere a aurului şi argintului din minereuri şi subproduse miniere cu conţinut scăzut de aur
AU2015259608B2 (en) 2014-05-12 2019-10-03 Sumitomo Corporation Of Americas Brine leaching process for recovering valuable metals from oxide materials
PE20180472A1 (es) 2015-04-17 2018-03-06 Univ British Columbia Proceso para lixiviar sulfuros de metal con reactivos que presentan grupos funcionales tiocarbonilo
AR104086A1 (es) 2015-04-22 2017-06-28 Anglo American Services (Uk) Ltd Proceso para la recuperación de metales de valor de una mena
US10167202B2 (en) 2016-02-23 2019-01-01 King Abdullah University Of Science And Technology Enhanced metal recovery through oxidation in liquid and/or supercritical carbon dioxide
GB2551980A (en) * 2016-06-30 2018-01-10 Commw Scient Ind Res Org Method and system for low level metal analysis of mineral samples
CA3028768C (en) 2016-07-05 2023-10-31 Arman Pivazyan Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides
US11643705B2 (en) * 2017-08-14 2023-05-09 Mining and Process Solutions Pty Ltd Recovery of precious and chalcophile metals
CN107674977A (zh) * 2017-10-11 2018-02-09 北京科技大学 一种从废铅酸蓄电池铅膏中湿法回收铅的方法
PE20211512A1 (es) 2019-01-21 2021-08-11 Barrick Gold Corp Metodo para la lixiviacion con tiosulfato catalizado con carbon de materiales que contienen oro
US20230080921A1 (en) * 2020-02-07 2023-03-16 University Of Kentucky Research Foundation Extraction of copper, gold and other elements from waste materials
PE20230228A1 (es) * 2020-04-17 2023-02-06 Glencore Tech Pty Ltd Oxidacion de sulfuros en la lixiviacion de minerales
CN114990338B (zh) * 2022-05-07 2024-05-31 江西铜业技术研究院有限公司 一种将铜阳极泥分银渣中锡高效提取的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4778519A (en) * 1987-02-24 1988-10-18 Batric Pesic Recovery of precious metals from a thiourea leach
WO2001088212A2 (en) * 2000-05-19 2001-11-22 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials

Family Cites Families (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US496951A (en) * 1893-05-09 Henry parkes
US1627582A (en) * 1922-09-07 1927-05-10 Thomas H Sherian Process for treatment of ores
GB954435A (en) * 1960-08-25 1964-04-08 Nat Res Dev Anion exchange resins for the recovery of gold and silver from gold and silver bearing aqueous cyanide liquors
US3524724A (en) * 1966-10-12 1970-08-18 Continental Oil Co Method for making ammonium thiosulfate and ammonium sulfate
US3644087A (en) 1970-02-09 1972-02-22 Universal Oil Prod Co Process for scrubbing sulfur dioxide from a gas stream
GB1423341A (en) 1971-12-09 1976-02-04 Iws Nominee Co Ltd Polymer treatmen5 of fibrous and filamentary materials
BE792337A (fr) 1971-12-13 1973-03-30 Falconbridge Nickel Mines Ltd Procede pour la recuperation de metaux precieux en partant de matieres contenant du cuivre
GB1497534A (en) * 1973-12-13 1978-01-12 Matthey Rustenburg Refines Refining of metals
US3902896A (en) * 1974-05-22 1975-09-02 Int Nickel Co Cementation of metals from acid solutions
CA1073681A (en) * 1976-02-20 1980-03-18 Roman M. Genik-Sas-Berezowsky Recovery of precious metals from metal sulphides
CA1106617A (en) * 1978-10-30 1981-08-11 Grigori S. Victorovich Autoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobalt
US4296075A (en) * 1978-11-24 1981-10-20 Mobil Oil Corporation Method for protecting an ion-exchange resin from chemical poisoning
AU521933B2 (en) * 1979-04-13 1982-05-06 Harold J. Heinen Leaching gold or silver ores
US4289532A (en) * 1979-12-03 1981-09-15 Freeport Minerals Company Process for the recovery of gold from carbonaceous ores
US4269622A (en) * 1979-12-28 1981-05-26 Kerley Jr Bernard J Recovery of precious metals from difficult ores
US4369061A (en) * 1979-12-28 1983-01-18 Kerley Jr Bernard J Recovery of precious metals from difficult ores
US4411873A (en) * 1980-12-31 1983-10-25 Mobil Oil Corporation In-line regeneration of polythionate poisoned ion exchange resins
CA1198080A (en) * 1981-04-15 1985-12-17 Freeport Minerals Company Simultaneous leaching and electrodeposition of precious metals
US4384889A (en) * 1981-04-15 1983-05-24 Freeport Research & Development Company Simultaneous leaching and cementation of precious metals
US4411612A (en) * 1981-04-16 1983-10-25 Neha International Apparatus for recovering precious metals from their ores
RO81261A2 (ro) 1981-12-01 1983-02-01 Institutul De Cercetari Si Proiectari Pentru Epurarea Apelor Reziduale,Ro Procedeu de recuperare a argintului si a suportului din deseurile de materiale fotosensibile
US4489984A (en) * 1982-04-22 1984-12-25 Mobil Oil Corporation In-situ uranium leaching process
ZA845087B (en) * 1983-07-08 1985-03-27 Kalocsai Guy Imre Z Dissolution of noble metals
US4585561A (en) * 1983-07-25 1986-04-29 Agfa-Gevaert Aktiengesellschaft Flotation process for the continuous recovery of silver or silver compounds from solutions or dispersions
DE3347165A1 (de) * 1983-12-27 1985-07-04 Skw Trostberg Ag, 8223 Trostberg Verfahren zur gewinnung von edelmetallen
US4552589A (en) * 1984-01-27 1985-11-12 Getty Oil Company Process for the recovery of gold from refractory ores by pressure oxidation
ES8506355A1 (es) * 1984-03-13 1985-07-16 Nunez Alvarez Carlos Procedimiento para mejorar el rendimiento de extraccion de plata y oro en los minerales de gossan
CA1229487A (en) * 1984-09-27 1987-11-24 Roman M. Genik-Sas-Berezowsky Process for the recovery of silver from a residue essentially free of elemental sulphur
CA1234290A (en) * 1984-09-27 1988-03-22 Donald R. Weir Recovery of gold from refractory auriferous iron- containing sulphidic material
CA1234991A (en) * 1984-09-27 1988-04-12 Donald R. Weir Recovery of gold from auriferous refractory iron- containing sulphidic ore
US4634187A (en) * 1984-11-21 1987-01-06 Isl Ventures, Inc. Method of in-situ leaching of ores
ZA853701B (en) 1984-11-26 1986-05-28 Pm Mineral Leaching Tech Inc Bioleaching process
JPS61127834A (ja) 1984-11-27 1986-06-16 日本鉱業株式会社 硫化鉄精鉱中の銀の回収法
SU1284942A1 (ru) 1984-12-03 1987-01-23 Предприятие П/Я М-5400 Способ получени тиосульфата натри
US4740243A (en) * 1984-12-31 1988-04-26 Ensci, Inc. Metal value recovery from metal sulfide containing ores
SU1279954A1 (ru) 1985-04-08 1986-12-30 Березниковский химический завод Способ получени тиосульфата натри
US4816234A (en) * 1985-05-10 1989-03-28 Kamyr, Inc. Utilization of oxygen in leaching and/or recovery procedures employing carbon
US4654078A (en) * 1985-07-12 1987-03-31 Perez Ariel E Method for recovery of precious metals from difficult ores with copper-ammonium thiosulfate
PH21188A (en) 1985-09-10 1987-08-12 Butler Dean Leaching process
GB2180829B (en) 1985-09-20 1989-08-16 Aurotech N L Precious metal extraction
US4738718A (en) * 1985-10-28 1988-04-19 Freeport Minerals Company Method for the recovery of gold using autoclaving
US5232490A (en) * 1985-11-27 1993-08-03 Leadville Silver And Gold Oxidation/reduction process for recovery of precious metals from MnO2 ores, sulfidic ores and carbonaceous materials
US4723998A (en) * 1985-11-29 1988-02-09 Freeport Minerals Co Recovery of gold from carbonaceous ores by simultaneous chlorine leach and ion exchange resin adsorption process
US4721526A (en) * 1986-08-13 1988-01-26 Kamyr, Inc. Heap leaching with oxygen
DE3729808C2 (de) * 1986-09-05 1995-06-14 Oki Electric Ind Co Ltd Nachfolge-Vorrichtung für eine Blechtafel auf einer Abkantpresse
US4801329A (en) * 1987-03-12 1989-01-31 Ensci Incorporated Metal value recovery from carbonaceous ores
US4765827A (en) * 1987-01-20 1988-08-23 Ensci, Inc. Metal value recovery
US4816235A (en) * 1987-02-24 1989-03-28 Batric Pesic Silver and manganese recovery using acidified thiourea
CA1306613C (en) * 1987-05-15 1992-08-25 Guy Deschenes Recovery of gold from aqueous solutions
GB8726158D0 (en) 1987-11-07 1987-12-09 British Petroleum Co Plc Separation process
US4802345A (en) * 1987-12-03 1989-02-07 Hughes Aircraft Company Non-temperature cycling cryogenic cooler
US5607619A (en) * 1988-03-07 1997-03-04 Great Lakes Chemical Corporation Inorganic perbromide compositions and methods of use thereof
US4923510A (en) * 1988-10-31 1990-05-08 Gopalan Ramadorai Treatment of refractory carbonaceous sulfide ores for gold recovery
US4902345A (en) * 1989-01-12 1990-02-20 Newmont Gold Co. Treatment of refractory carbonaceous and sulfidic ores or concentrates for precious metal recovery
MY105658A (en) * 1989-03-07 1994-11-30 Butler Dean R Noble metal recovery
US4980137A (en) * 1989-04-03 1990-12-25 Sanitech, Inc. Process for NOx and CO control
JP2632576B2 (ja) 1989-05-12 1997-07-23 日鉱金属株式会社 イオン交換樹脂からの金ヨウ素錯体の脱着方法
GB8914037D0 (en) * 1989-06-19 1989-08-09 Univ Cardiff Dissolving values of platinum group metals from ores and concentrates
US5071477A (en) * 1990-05-03 1991-12-10 American Barrick Resources Corporation of Toronto Process for recovery of gold from refractory ores
US5244493A (en) * 1990-09-21 1993-09-14 Newmont Gold Co. Biometallurgical treatment of precious metal ores having refractory carbon content
US5127942A (en) * 1990-09-21 1992-07-07 Newmont Mining Corporation Microbial consortium treatment of refractory precious metal ores
US5114687A (en) * 1990-12-14 1992-05-19 South Dakota School Of Mines & Technology Ammonia extraction of gold and silver from ores and other materials
US5147617A (en) * 1991-05-21 1992-09-15 Freeport-Mcmoran Inc. Process for recovery of gold from gold ores using a complexing pretreatment and sulfurous acid leaching
US5147618A (en) * 1991-05-21 1992-09-15 Freeport-Mcmoran Inc. Process for recovery of gold from refractory gold ores using sulfurous acid as the leaching agent
US5246486A (en) * 1991-07-10 1993-09-21 Newmont Gold Co. Biooxidation process for recovery of gold from heaps of low-grade sulfidic and carbonaceous sulfidic ore materials
US5332559A (en) 1991-07-10 1994-07-26 Newmont Gold Co. Biooxidation process for recovery of metal values from sulphur-containing ore materials
TW203098B (xx) * 1991-09-27 1993-04-01 Mitsui Petroleum Chemicals Ind
US5354359A (en) * 1992-04-01 1994-10-11 Newmont Gold Co. Hydrometallurgical process for the recovery of precious metal values from precious metal ores with thiosulfate lixiviant
US5236492A (en) * 1992-07-29 1993-08-17 Fmc Gold Company Recovery of precious metal values from refractory ores
US5364453A (en) * 1992-09-22 1994-11-15 Geobiotics, Inc. Method for recovering gold and other precious metals from carbonaceous ores
US5338338A (en) * 1992-09-22 1994-08-16 Geobiotics, Inc. Method for recovering gold and other precious metals from carbonaceous ores
US5308381A (en) * 1993-04-15 1994-05-03 South Dakota School Of Mines & Techology Ammonia extraction of gold and silver from ores and other materials
US5484470A (en) * 1994-07-28 1996-01-16 E. I. Du Pont De Nemours And Company Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds
US5405430A (en) * 1994-04-12 1995-04-11 Groves; William D. Recovery of precious metals from evaporite sediments
US5449397A (en) 1994-06-24 1995-09-12 Hunter; Robert M. Biocatalyzed leaching of precious metal values
US5489326A (en) * 1994-10-04 1996-02-06 Barrick Gold Corporation Gold recovery using controlled oxygen distribution pressure oxidation
US5536480A (en) * 1994-11-29 1996-07-16 Santa Fe Pacific Gold Corporation Method for treating mineral material having organic carbon to facilitate recovery of gold and silver
US5683490A (en) 1994-12-23 1997-11-04 The United States Of America As Represented By The Secretary Of The Interior Solution mining of precious metals using aqueous, sulfur-bearing solutions at elevated temperatures
US5785736A (en) * 1995-02-10 1998-07-28 Barrick Gold Corporation Gold recovery from refractory carbonaceous ores by pressure oxidation, thiosulfate leaching and resin-in-pulp adsorption
US5536297A (en) * 1995-02-10 1996-07-16 Barrick Gold Corporation Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching
US5653945A (en) * 1995-04-18 1997-08-05 Santa Fe Pacific Gold Corporation Method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate
GB2310424B (en) 1996-02-22 1999-09-29 Finch Limited Process for recovering gold from oxide-based refractory ores
US6197214B1 (en) * 1996-06-26 2001-03-06 Henkel Corporation Ammonium thiosulfate complex of gold or silver and an amine
CA2256764A1 (en) * 1996-06-26 1997-12-31 Henkel Corporation Process for the recovery of precious metal values from aqueous ammoniacal thiosulfate leach solutions
CA2209559C (en) 1996-07-16 2001-12-18 Barrick Gold Corporation Gold recovery from refractory carbonaceous ores by pressure oxidation, thiosulfate leaching and resin-in-leach adsorption
US5733431A (en) 1996-08-21 1998-03-31 Hw Process Technologies, Inc. Method for removing copper ions from copper ore using organic extractions
CA2193305A1 (en) * 1996-12-18 1998-06-18 Jean-Marc Lalancette Process for removing and recovering copper, silver and zinc from sulfide ores
US5961833A (en) 1997-06-09 1999-10-05 Hw Process Technologies, Inc. Method for separating and isolating gold from copper in a gold processing system
WO1998056494A1 (en) 1997-06-09 1998-12-17 Hw Process Technologies, Inc. Method for separating and isolating precious metals from non precious metals dissolved in solutions
CA2307500C (en) 1997-10-30 2010-01-12 Hw Process Technologies, Inc. Method for removing contaminants from process streams in metal recovery processes
US6251163B1 (en) * 1998-03-04 2001-06-26 Placer Dome, Inc. Method for recovering gold from refractory carbonaceous ores
US6368381B1 (en) * 1998-03-11 2002-04-09 Placer Dome Technical Services, Ltd. Autoclave using agitator and sparge tube to provide high oxygen transfer rate to metal-containing solutions
US6183706B1 (en) * 1998-03-11 2001-02-06 Placer Dome, Inc. Autoclave having an agitator with an aerating impeller for high oxygen transfer rate to metal-containing slurries and method of use
CA2315480A1 (en) 1999-08-13 2001-02-13 Antonio T. Robles Process for removing metals from a sorbent
NL1013590C2 (nl) * 1999-11-17 2001-05-18 Paques Biosystems B V Werkwijze voor de selectieve verwijdering van metalen uit geconcentreerde metaalhoudende stromen.
US20030154822A1 (en) * 1999-12-09 2003-08-21 John Hall Recovery of precious metals
AUPQ456299A0 (en) * 1999-12-09 2000-01-13 Geo2 Limited Recovery of precious metals
US6451275B1 (en) * 2000-03-10 2002-09-17 Lakefield Research Limited Methods for reducing cyanide consumption in precious metal recovery by reducing the content of intermediate sulfur oxidation products therein
US6344068B1 (en) * 2000-04-04 2002-02-05 Barrick Gold Corporation Process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resin
CA2420630C (en) 2000-09-29 2009-03-03 Newmont Usa Limited Method and apparatus for chemical processing
US6500231B1 (en) * 2001-03-29 2002-12-31 Newmont Usa Limited Recovery of precious metals from thiosulfate solutions
AU783904B2 (en) 2001-04-10 2005-12-22 Grd Minproc Limited Improved processing of precious metal-containing materials
US6632264B2 (en) * 2001-04-17 2003-10-14 The University Of British Columbia Gold recovery from thiosulfate leaching
US6641642B2 (en) * 2001-12-21 2003-11-04 Newmont Usa Limited High temperature pressure oxidation of ores and ore concentrates containing silver using controlled precipitation of sulfate species
WO2003080879A1 (en) 2002-03-26 2003-10-02 Council Of Scientific And Industrial Research Process for the recovery of gold and silver from used refractory bricks
US6602319B1 (en) * 2002-04-01 2003-08-05 Council Of Scientific And Industrial Research Process for the recovery of gold and silver from used refractory bricks
AUPS334402A0 (en) 2002-07-02 2002-07-25 Commonwealth Scientific And Industrial Research Organisation Process for recovering precious metals
US7722840B2 (en) * 2002-11-15 2010-05-25 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
EP1433860A1 (en) 2002-12-23 2004-06-30 Paques B.V. Process for regenerating thiosulphate from a spent thiosulphate gold leachant
AU2003904385A0 (en) 2003-08-18 2003-08-28 Murdoch University Improved Thiosulphate Leach Process

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4778519A (en) * 1987-02-24 1988-10-18 Batric Pesic Recovery of precious metals from a thiourea leach
WO2001088212A2 (en) * 2000-05-19 2001-11-22 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials

Also Published As

Publication number Publication date
US7544232B2 (en) 2009-06-09
CA2505740C (en) 2011-01-04
WO2004046036A2 (en) 2004-06-03
US7722840B2 (en) 2010-05-25
US20040115108A1 (en) 2004-06-17
GB2411170B (en) 2007-05-02
GB2411170A (en) 2005-08-24
CA2716442C (en) 2013-10-15
AP2005003335A0 (en) 2005-06-30
GB0509741D0 (en) 2005-06-22
US20070089566A1 (en) 2007-04-26
WO2004046036A3 (en) 2007-11-08
AU2003302110B2 (en) 2007-10-04
AP2018A (en) 2009-07-29
MXPA05005292A (es) 2006-02-22
AU2003302110A1 (en) 2004-06-15
US20100111751A1 (en) 2010-05-06
PE20040483A1 (es) 2004-08-27
CA2716442A1 (en) 2004-06-03
US8097227B2 (en) 2012-01-17
CA2505740A1 (en) 2004-06-03
AP2009004750A0 (en) 2009-02-28

Similar Documents

Publication Publication Date Title
AP2571A (en) Method for thiosulfate leaching of precious metal-containing materials
GB2379212B (en) Method for thiosulfate leaching of precious metal-containing materials
AUPS334402A0 (en) Process for recovering precious metals
PL372600A1 (en) Method for refining concentrate containing precious metals
GB2407101B (en) Metal material and method for production thereof
GB2427400B (en) Method for thiosulfate leaching of precious metal-containing materials
FI20021827A0 (fi) Menetelmä metallien talteenottamiseksi kloridiliuotuksen ja uuton avulla
AU2003208205A8 (en) Process for bismuth recovery from lead-bismuth dross
PL372838A1 (en) Chloride assisted hydrometallurgical extraction of metals
FI20031084A0 (fi) Menetelmä jalometallien sisältävien sulfidimalmien käsittelemiseksi
AU2003236581A1 (en) Process for leaching precious metals
PL356623A1 (en) Method of recovering precious metals from complex ores
AUPS314602A0 (en) Process for treating precious metal containing ores
AU2003292666A8 (en) Metal material and method for production thereof
AU2003903287A0 (en) Process for treating precious metal containing ores
PL351907A1 (en) Method of recovering polyethers from wastes
AU2002332036A1 (en) Process for extracting quantities of precious metals
AU2003903167A0 (en) Recovery of precious metals from sulfidic materials
GB0207985D0 (en) Precious metal recovery
GB0424540D0 (en) Process for recovering precious metal from a precious metal-containing material
AUPS150202A0 (en) Precious metal recovery process
TJ20020746A (en) A method of separation of precious metals from each other and from ignoble metals.
AU2004903568A0 (en) Process for treating precious metal containing ores
GB0307907D0 (en) Precious metal recovery
AU2003901643A0 (en) Precious metal recovery process