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ZA909521B - Processes to recover and reconcentrate gold from its ores - Google Patents

Processes to recover and reconcentrate gold from its ores

Info

Publication number
ZA909521B
ZA909521B ZA909521A ZA909521A ZA909521B ZA 909521 B ZA909521 B ZA 909521B ZA 909521 A ZA909521 A ZA 909521A ZA 909521 A ZA909521 A ZA 909521A ZA 909521 B ZA909521 B ZA 909521B
Authority
ZA
South Africa
Prior art keywords
gold
cyanide ion
culture
processes
degrading
Prior art date
Application number
ZA909521A
Other languages
English (en)
Inventor
Dennis Gordon Kleid
Gordon Kleid Dennis
William Jack Kohr
Jack Kohr William
Francis Roy Thibodeau
Roy Thibodeau Francis
Original Assignee
Geobiotics Inc
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 Geobiotics Inc filed Critical Geobiotics Inc
Publication of ZA909521B publication Critical patent/ZA909521B/xx

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
    • C22B11/08—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
    • 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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Biotechnology (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA909521A 1989-11-27 1990-11-27 Processes to recover and reconcentrate gold from its ores ZA909521B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44183689A 1989-11-27 1989-11-27

Publications (1)

Publication Number Publication Date
ZA909521B true ZA909521B (en) 1991-12-24

Family

ID=23754496

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA909521A ZA909521B (en) 1989-11-27 1990-11-27 Processes to recover and reconcentrate gold from its ores

Country Status (8)

Country Link
EP (2) EP0695809A1 (xx)
AT (1) ATE133455T1 (xx)
AU (1) AU661154B2 (xx)
BR (1) BR9007089A (xx)
CA (1) CA2030900A1 (xx)
DE (1) DE69025046D1 (xx)
WO (1) WO1991008316A1 (xx)
ZA (1) ZA909521B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2163948B1 (es) * 1998-07-14 2003-08-01 Consejo Superior Investigacion Procedimiento hidrometalurgico para la recuperacion de oro de minerales y materiales metalicos.
US7608445B1 (en) 1999-12-29 2009-10-27 Verenium Corporation Nitrilases, nucleic acids encoding them and methods for making and using them
US7300775B2 (en) 1999-12-29 2007-11-27 Verenium Corporation Methods for producing α-substituted carboxylic acids using nitrilases and strecker reagents
US7521216B2 (en) 1999-12-29 2009-04-21 Verenium Corporation Nitrilases and methods for making and using them
US7932064B2 (en) 2002-06-13 2011-04-26 Verenium Corporation Processes for making (R)-ethyl 4-cyano-3-hydroxybutyric acid
EP2115153B1 (en) 2007-03-01 2013-06-05 BP Corporation North America Inc. Nitrilases, nucleic acids encoding them and methods for making and using them
ES2397878T3 (es) * 2008-04-21 2013-03-12 B.R.A.I.N. Biotechnology Research And Information Network Ag Minería ecológica: proceso de biolixiviado libre de cianuro y bioadsorción de metales preciosos
WO2013164429A1 (en) * 2012-05-02 2013-11-07 Novozymes A/S Enzymatic solubilization of metals
CN103014336B (zh) * 2013-01-16 2014-04-16 山东黄金归来庄矿业有限公司 一种处理高砷高硫金矿石的制剂及其方法
CN103088222B (zh) * 2013-01-29 2014-02-26 李兆营 一种处理难选金矿的工艺方法
CN103074489B (zh) * 2013-01-29 2014-04-02 徐希强 一种难选金矿的处理方法
CN103205571B (zh) * 2013-04-01 2014-05-07 山东黄金归来庄矿业有限公司 高碳高砷金矿的处理工艺
EP3277850B8 (en) * 2015-03-30 2021-07-07 BRAIN Biotech AG Biological processing of scrap metal, household waste and/or industrial waste for the isolation of heavy metals
US11591669B2 (en) 2016-10-31 2023-02-28 Mint Innovation Limited Metal recovery process
WO2018084723A2 (en) 2016-11-03 2018-05-11 Mint Innovation Limited Process for recovering metal
EP3415647A1 (en) 2017-06-13 2018-12-19 B.R.A.I.N. Ag A process for recovering precious metals from secondary resources
EP3456730B1 (en) * 2017-09-19 2022-03-02 BRAIN Biotech AG A new species of the genus pseudomonas
WO2019078735A1 (en) 2017-10-17 2019-04-25 Mint Innovation Limited PROCESS FOR RECOVERING METALS FROM ELECTRONIC WASTE
EP3502285A1 (en) 2017-12-23 2019-06-26 B.R.A.I.N. Ag Improved method for recovery of precious metals
CN116656957A (zh) * 2023-08-01 2023-08-29 河北双兴摄影化学有限公司 一种降低硫代硫酸盐用量的浸金液及其使用方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928377B1 (xx) * 1970-12-09 1974-07-25
JPS5130162A (en) * 1974-09-06 1976-03-15 Sumitomo Shipbuild Machinery Nitoriru oyobi shianganjuhaisuinoshoriho
US4293333A (en) * 1980-02-12 1981-10-06 Engelhard Minerals & Chemicals Corporation Microbiological recovery of metals
US4690894A (en) 1985-09-20 1987-09-01 Advanced Mineral Technologies, Inc. Treatment of microorganisms with alkaline solution to enhance metal uptake properties
IL75073A (en) * 1985-05-02 1989-12-15 Univ Ramot Removal of heavy metals from industrial effluents
US4789481A (en) * 1985-09-20 1988-12-06 Advanced Mineral Technologies, Inc. Metal recovery
US4729788A (en) * 1987-01-23 1988-03-08 Advanced Mineral Technologies, Inc. Thermophilic microbial treatment of precious metal ores
US4769223A (en) * 1987-04-22 1988-09-06 Bohumil Volesky Biosorbent for gold

Also Published As

Publication number Publication date
AU6966091A (en) 1991-06-26
EP0695809A1 (en) 1996-02-07
AU661154B2 (en) 1995-07-13
EP0432935B1 (en) 1996-01-24
WO1991008316A1 (en) 1991-06-13
ATE133455T1 (de) 1996-02-15
AU4123493A (en) 1993-09-16
EP0432935A1 (en) 1991-06-19
DE69025046D1 (de) 1996-03-07
BR9007089A (pt) 1991-11-26
AU635382B2 (en) 1993-03-18
CA2030900A1 (en) 1991-05-28

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