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) EP0432935B1 (de)
AT (1) ATE133455T1 (de)
AU (1) AU661154B2 (de)
BR (1) BR9007089A (de)
CA (1) CA2030900A1 (de)
DE (1) DE69025046D1 (de)
WO (1) WO1991008316A1 (de)
ZA (1) ZA909521B (de)

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.
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
US7608445B1 (en) 1999-12-29 2009-10-27 Verenium Corporation Nitrilases, nucleic acids encoding them 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
CA2679503A1 (en) 2007-03-01 2008-09-04 Verenium Corporation Nitrilases, nucleic acids encoding them and methods for making and using them
PT2271781E (pt) * 2008-04-21 2012-12-20 Brain Biotechnology Res & Information Network Ag Exploração mineira ecológica: processo de biolixiviação sem cianeto e biossorção de metais 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
CN103074489B (zh) * 2013-01-29 2014-04-02 徐希强 一种难选金矿的处理方法
CN103088222B (zh) * 2013-01-29 2014-02-26 李兆营 一种处理难选金矿的工艺方法
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
BR112017017447B1 (pt) * 2015-03-30 2022-05-24 Cyplus Gmbh Processamento biológico de minério para isolamento de ouro e/ou prata, e uso de uma bactéria para isolamento ou enriquecimento de ouro e/ou prata
SG11201903153PA (en) 2016-10-31 2019-05-30 Mint Innovation Ltd Metal recovery process
AU2017354754B2 (en) * 2016-11-03 2023-04-20 Mint Innovation Limited Process for recovering metal
EP3415647A1 (de) 2017-06-13 2018-12-19 B.R.A.I.N. Ag Ein verfahren zur rückgewinnung von edelmtallen aus sekundären ressourcen
ES2914519T3 (es) 2017-09-19 2022-06-13 BRAIN Biotech AG Una nueva especie del género Pseudomonas
CN111315903A (zh) 2017-10-17 2020-06-19 敏特创新有限公司 从电子废料回收金属的方法
EP3502285A1 (de) 2017-12-23 2019-06-26 B.R.A.I.N. Ag Verbessertes verfahren zur rückgewinnung von edelmetallen
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 (de) * 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
CA2030900A1 (en) 1991-05-28
EP0695809A1 (de) 1996-02-07
ATE133455T1 (de) 1996-02-15
AU6966091A (en) 1991-06-26
AU635382B2 (en) 1993-03-18
AU661154B2 (en) 1995-07-13
BR9007089A (pt) 1991-11-26
EP0432935B1 (de) 1996-01-24
DE69025046D1 (de) 1996-03-07
AU4123493A (en) 1993-09-16
EP0432935A1 (de) 1991-06-19
WO1991008316A1 (en) 1991-06-13

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