GB2310424B - Process for recovering gold from oxide-based refractory ores - Google Patents

Process for recovering gold from oxide-based refractory ores

Info

Publication number
GB2310424B
GB2310424B GB9603767A GB9603767A GB2310424B GB 2310424 B GB2310424 B GB 2310424B GB 9603767 A GB9603767 A GB 9603767A GB 9603767 A GB9603767 A GB 9603767A GB 2310424 B GB2310424 B GB 2310424B
Authority
GB
United Kingdom
Prior art keywords
oxide
based refractory
recovering gold
refractory ores
ores
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
GB9603767A
Other versions
GB9603767D0 (en
GB2310424A (en
GB2310424A8 (en
Inventor
Victor Pappas
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.)
Finch Ltd
Original Assignee
Finch 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
Application filed by Finch Ltd filed Critical Finch Ltd
Priority to GB9603767A priority Critical patent/GB2310424B/en
Publication of GB9603767D0 publication Critical patent/GB9603767D0/en
Publication of GB2310424A publication Critical patent/GB2310424A/en
Publication of GB2310424A8 publication Critical patent/GB2310424A8/en
Application granted granted Critical
Publication of GB2310424B publication Critical patent/GB2310424B/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
    • 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
    • C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • C22B3/14—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
GB9603767A 1996-02-22 1996-02-22 Process for recovering gold from oxide-based refractory ores Expired - Fee Related GB2310424B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9603767A GB2310424B (en) 1996-02-22 1996-02-22 Process for recovering gold from oxide-based refractory ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9603767A GB2310424B (en) 1996-02-22 1996-02-22 Process for recovering gold from oxide-based refractory ores

Publications (4)

Publication Number Publication Date
GB9603767D0 GB9603767D0 (en) 1996-04-24
GB2310424A GB2310424A (en) 1997-08-27
GB2310424A8 GB2310424A8 (en) 1998-02-05
GB2310424B true GB2310424B (en) 1999-09-29

Family

ID=10789223

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9603767A Expired - Fee Related GB2310424B (en) 1996-02-22 1996-02-22 Process for recovering gold from oxide-based refractory ores

Country Status (1)

Country Link
GB (1) GB2310424B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7722840B2 (en) 2002-11-15 2010-05-25 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US8597399B2 (en) 2000-05-19 2013-12-03 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US9051625B2 (en) 2011-06-15 2015-06-09 Barrick Gold Corporation Method for recovering precious metals and copper from leach solutions

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ456299A0 (en) * 1999-12-09 2000-01-13 Geo2 Limited Recovery of precious metals
GB2427400B (en) * 2002-11-15 2007-05-02 Placer Dome Technical Services Method for thiosulfate leaching of precious metal-containing materials
US8715389B2 (en) 2010-12-07 2014-05-06 Barrick Gold Corporation Co-current and counter current resin-in-leach in gold leaching processes
US8931642B2 (en) * 2013-01-14 2015-01-13 William D. Simmons Activated flotation circuit for processing combined oxide and sulfide ores
US10161016B2 (en) 2013-05-29 2018-12-25 Barrick Gold Corporation Method for pre-treatment of gold-bearing oxide ores
PE20211512A1 (en) 2019-01-21 2021-08-11 Barrick Gold Corp METHOD FOR CARBON-CATALYZED THOSULFATE LEACHING OF MATERIALS CONTAINING GOLD
LU102054B1 (en) * 2020-07-27 2022-01-27 Centuro Ag Process for extracting gold and silver from raw materials
WO2022022987A1 (en) * 2020-07-27 2022-02-03 Centuro Ag Method for obtaining gold and silver from raw materials
CN114686694B (en) * 2022-03-30 2023-06-09 云南大学 Environment-friendly gold leaching method for carbon-containing sulfur-arsenic gold ore

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269622A (en) * 1979-12-28 1981-05-26 Kerley Jr Bernard J Recovery of precious metals from difficult ores
US5536297A (en) * 1995-02-10 1996-07-16 Barrick Gold Corporation Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269622A (en) * 1979-12-28 1981-05-26 Kerley Jr Bernard J Recovery of precious metals from difficult ores
US5536297A (en) * 1995-02-10 1996-07-16 Barrick Gold Corporation Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8597399B2 (en) 2000-05-19 2013-12-03 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US8821613B2 (en) 2000-05-19 2014-09-02 Placer Dome Technical Services Ltd. 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
US8097227B2 (en) 2002-11-15 2012-01-17 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US9051625B2 (en) 2011-06-15 2015-06-09 Barrick Gold Corporation Method for recovering precious metals and copper from leach solutions

Also Published As

Publication number Publication date
GB9603767D0 (en) 1996-04-24
GB2310424A (en) 1997-08-27
GB2310424A8 (en) 1998-02-05

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Legal Events

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

Effective date: 20070222