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CA2629093C - Thiosulfate generation in situ in precious metal recovery - Google Patents

Thiosulfate generation in situ in precious metal recovery Download PDF

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Publication number
CA2629093C
CA2629093C CA2629093A CA2629093A CA2629093C CA 2629093 C CA2629093 C CA 2629093C CA 2629093 A CA2629093 A CA 2629093A CA 2629093 A CA2629093 A CA 2629093A CA 2629093 C CA2629093 C CA 2629093C
Authority
CA
Canada
Prior art keywords
precious metal
bearing
thiosulfate
slurry
gold
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2629093A
Other languages
English (en)
French (fr)
Other versions
CA2629093A1 (en
Inventor
Mark Aylmore
Yeonuk Choi
Peter Kondos
Jacques Mcmullen
Gus Van Weert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Barrick Mining Corp
Original Assignee
Barrick Gold 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 Barrick Gold Corp filed Critical Barrick Gold Corp
Publication of CA2629093A1 publication Critical patent/CA2629093A1/en
Application granted granted Critical
Publication of CA2629093C publication Critical patent/CA2629093C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction 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
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline 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)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
CA2629093A 2005-11-10 2006-11-10 Thiosulfate generation in situ in precious metal recovery Active CA2629093C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US73549405P 2005-11-10 2005-11-10
US60/735,494 2005-11-10
PCT/CA2006/001841 WO2007053947A1 (en) 2005-11-10 2006-11-10 Thiosulfate generation in situ in precious metal recovery

Publications (2)

Publication Number Publication Date
CA2629093A1 CA2629093A1 (en) 2007-05-18
CA2629093C true CA2629093C (en) 2014-04-08

Family

ID=38022934

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2629093A Active CA2629093C (en) 2005-11-10 2006-11-10 Thiosulfate generation in situ in precious metal recovery

Country Status (8)

Country Link
AP (1) AP2578A (es)
AR (1) AR057171A1 (es)
AU (1) AU2006312965B2 (es)
CA (1) CA2629093C (es)
DO (1) DOP2006000250A (es)
PE (1) PE20070877A1 (es)
WO (1) WO2007053947A1 (es)
ZA (1) ZA200804351B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO126480B1 (ro) 2011-03-09 2012-11-29 Viorel-Alexandru Măluşel Procedeu de obţinere a aurului şi argintului
ITMI20120579A1 (it) 2012-04-11 2013-10-12 Metals Technology Dev Compa Ny Llc Procedimento per recuperare metalli non ferrosi da una matrice solida
CN108026608B (zh) 2015-04-21 2021-10-22 艾克希尔工厂公司 在有机溶剂中选择性浸出和萃取贵金属的方法
AU2018280348B2 (en) * 2017-06-08 2024-02-15 Glencore Technology Pty Limited Leaching process
EP4136267A4 (en) * 2020-04-17 2024-06-12 Glencore Technology Pty Limited SULFIDE OXIDATION DURING MINERALS LEAKING
BR112023021178A2 (pt) * 2021-04-13 2023-12-19 Seabridge Gold Inc Métodos para extrair e recuperar valores metálicos preciosos
CN115478168B (zh) * 2022-09-16 2023-09-26 中南大学 一种硫化物金矿原位自浸金的方法
CN115786725B (zh) * 2022-11-10 2023-12-15 山东省计量科学研究院 一种贵金属回收处理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728433A (en) * 1970-02-09 1973-04-17 Universal Oil Prod Co Continuous process for scrubbing sulfur dioxide from a gas stream
US6660059B2 (en) * 2000-05-19 2003-12-09 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
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

Also Published As

Publication number Publication date
DOP2006000250A (es) 2007-07-15
PE20070877A1 (es) 2007-08-27
AR057171A1 (es) 2007-11-21
AU2006312965A1 (en) 2007-05-18
ZA200804351B (en) 2010-02-24
CA2629093A1 (en) 2007-05-18
AP2578A (en) 2013-01-29
AP2008004499A0 (en) 2008-06-30
AU2006312965B2 (en) 2011-08-25
WO2007053947A1 (en) 2007-05-18

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Legal Events

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