CA2705487A1 - Microbial pre-treatment of double refractory gold ores - Google Patents

Microbial pre-treatment of double refractory gold ores

Info

Publication number
CA2705487A1
CA2705487A1 CA2705487A CA2705487A CA2705487A1 CA 2705487 A1 CA2705487 A1 CA 2705487A1 CA 2705487 A CA2705487 A CA 2705487A CA 2705487 A CA2705487 A CA 2705487A CA 2705487 A1 CA2705487 A1 CA 2705487A1
Authority
CA
Canada
Prior art keywords
feed material
gold
carbon
fungal agent
preg robbing
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.)
Abandoned
Application number
CA2705487A
Other languages
English (en)
French (fr)
Inventor
Wan-Tai Yen
Richard Kwasi Amankway
Yeonuk Choi
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 Gold Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2705487A1 publication Critical patent/CA2705487A1/en
Abandoned 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/06—Sulfating roasting
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/11—Removing sulfur, phosphorus or arsenic other than by roasting
    • 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
    • C22B11/08—Obtaining noble metals by cyaniding
    • 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
    • C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
    • 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
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)
CA2705487A 2007-11-28 2008-11-21 Microbial pre-treatment of double refractory gold ores Abandoned CA2705487A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US99080507P 2007-11-28 2007-11-28
US60/990,805 2007-11-28
US8892808P 2008-08-14 2008-08-14
US61/088,928 2008-08-14
PCT/IB2008/003905 WO2009069005A2 (en) 2007-11-28 2008-11-21 Microbial pre-treatment of double refractory gold ores

Publications (1)

Publication Number Publication Date
CA2705487A1 true CA2705487A1 (en) 2009-06-04

Family

ID=40679071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2705487A Abandoned CA2705487A1 (en) 2007-11-28 2008-11-21 Microbial pre-treatment of double refractory gold ores

Country Status (6)

Country Link
US (1) US20090158893A1 (es)
AR (1) AR069446A1 (es)
CA (1) CA2705487A1 (es)
CL (1) CL2008003554A1 (es)
PE (1) PE20091128A1 (es)
WO (1) WO2009069005A2 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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WO2011029172A1 (en) * 2009-09-09 2011-03-17 Sherritt International Corporation Recovering metal values from a metalliferrous material using neutralization agent comprising dissolved aluminium complex in solution
US8147781B2 (en) 2009-09-09 2012-04-03 Sheritt International Corporation Recovering metal values from a metalliferrous material
WO2016168930A1 (en) 2015-04-21 2016-10-27 University Of Saskatchewan Methods for simultaneous leaching and extraction of precious metals
JP7558512B2 (ja) 2020-02-25 2024-10-01 国立大学法人九州大学 金鉱石の前処理方法および金回収方法
CN113308605B (zh) * 2021-05-19 2022-11-22 上海第二工业大学 一种利用微电场强化黄孢原毛平革菌浸出废线路板中铜和金的方法
CA3227387A1 (en) * 2021-08-05 2023-02-09 Keiko Sasaki Method of pretreating gold ore and gold recovery method
CN114350947A (zh) * 2022-01-07 2022-04-15 有研资源环境技术研究院(北京)有限公司 一种专属氧化菌及难处理金矿生物堆浸预氧化-提金工艺
CN114752592A (zh) * 2022-05-12 2022-07-15 浙江师范大学 一种用于菌糠饲料化的菌剂及制备方法
CN115341095B (zh) * 2022-07-05 2023-06-09 中南大学 一种基于微生物菌剂阻燃硫化矿石的方法及使用的菌剂

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Also Published As

Publication number Publication date
CL2008003554A1 (es) 2009-10-09
AR069446A1 (es) 2010-01-20
US20090158893A1 (en) 2009-06-25
WO2009069005A3 (en) 2011-04-28
PE20091128A1 (es) 2009-07-25
WO2009069005A2 (en) 2009-06-04

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20111121