GB2427400B - Method for thiosulfate leaching of precious metal-containing materials - Google Patents

Method for thiosulfate leaching of precious metal-containing materials

Info

Publication number
GB2427400B
GB2427400B GB0612107A GB0612107A GB2427400B GB 2427400 B GB2427400 B GB 2427400B GB 0612107 A GB0612107 A GB 0612107A GB 0612107 A GB0612107 A GB 0612107A GB 2427400 B GB2427400 B GB 2427400B
Authority
GB
United Kingdom
Prior art keywords
precious metal
containing materials
thiosulfate leaching
thiosulfate
leaching
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.)
Expired - Fee Related
Application number
GB0612107A
Other versions
GB0612107D0 (en
GB2427400A (en
Inventor
Ralph Peter Hackl
Jinxing Ji
Paul George West-Sells
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.)
Placer Dome Technical Services Ltd
Original Assignee
Placer Dome Technical Services Ltd
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
Priority claimed from US10/713,640 external-priority patent/US7722840B2/en
Application filed by Placer Dome Technical Services Ltd filed Critical Placer Dome Technical Services Ltd
Publication of GB0612107D0 publication Critical patent/GB0612107D0/en
Publication of GB2427400A publication Critical patent/GB2427400A/en
Application granted granted Critical
Publication of GB2427400B publication Critical patent/GB2427400B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C22B3/04—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
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G5/00—Compounds of silver
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G7/00—Compounds of gold
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
GB0612107A 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing materials Expired - Fee Related GB2427400B (en)

Applications Claiming Priority (4)

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
GB0509741A GB2411170B (en) 2002-11-15 2003-11-14 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 (3)

Publication Number Publication Date
GB0612107D0 GB0612107D0 (en) 2006-07-26
GB2427400A GB2427400A (en) 2006-12-27
GB2427400B true GB2427400B (en) 2007-05-02

Family

ID=37403765

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0612107A Expired - Fee Related GB2427400B (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of precious metal-containing materials
GB0612108A Expired - Fee Related GB2426972B (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of metal-containing materials

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0612108A Expired - Fee Related GB2426972B (en) 2002-11-15 2003-11-14 Method for thiosulfate leaching of metal-containing materials

Country Status (1)

Country Link
GB (2) GB2427400B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009536A1 (en) * 2016-07-05 2018-01-11 Arman Pivazyan Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310424A (en) * 1996-02-22 1997-08-27 Finch Ltd Recovering gold from oxide ores
WO2001042519A1 (en) * 1999-12-09 2001-06-14 Geo2 Limited Recovery of precious metals

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792337A (en) * 1971-12-13 1973-03-30 Falconbridge Nickel Mines Ltd PROCESS FOR THE RECOVERY OF PRECIOUS METALS FROM MATERIALS CONTAINING COPPER
US4369061A (en) * 1979-12-28 1983-01-18 Kerley Jr Bernard J Recovery of precious metals from difficult ores

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310424A (en) * 1996-02-22 1997-08-27 Finch Ltd Recovering gold from oxide ores
WO2001042519A1 (en) * 1999-12-09 2001-06-14 Geo2 Limited Recovery of precious metals

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009536A1 (en) * 2016-07-05 2018-01-11 Arman Pivazyan Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides
US20190241991A1 (en) * 2016-07-05 2019-08-08 Arman Pivazyan Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides
US10808295B2 (en) 2016-07-05 2020-10-20 Arman Pivazyan Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides
AU2017292669B2 (en) * 2016-07-05 2022-09-15 Arman Pivazyan Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides

Also Published As

Publication number Publication date
GB0612108D0 (en) 2006-07-26
GB0612107D0 (en) 2006-07-26
GB2426972A (en) 2006-12-13
GB2426972B (en) 2007-05-30
GB2427400A (en) 2006-12-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20081114