CA2171715C - Lixiviation de l'or a l'aide de composes aromatiques heterocycliques contenant de l'azote et du soufre - Google Patents

Lixiviation de l'or a l'aide de composes aromatiques heterocycliques contenant de l'azote et du soufre Download PDF

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Publication number
CA2171715C
CA2171715C CA002171715A CA2171715A CA2171715C CA 2171715 C CA2171715 C CA 2171715C CA 002171715 A CA002171715 A CA 002171715A CA 2171715 A CA2171715 A CA 2171715A CA 2171715 C CA2171715 C CA 2171715C
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CA
Canada
Prior art keywords
gold
lutidine
ligand
pyridine
oxidant
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
CA002171715A
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English (en)
Other versions
CA2171715A1 (fr
Inventor
Sigridur Soley Kristjansdottir
Jeffery Scott Thompson
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.)
University of Nevada, Reno
Original Assignee
University of Nevada, Reno
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 US08/281,966 external-priority patent/US5484470A/en
Application filed by University of Nevada, Reno filed Critical University of Nevada, Reno
Publication of CA2171715A1 publication Critical patent/CA2171715A1/fr
Application granted granted Critical
Publication of CA2171715C publication Critical patent/CA2171715C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • C22B11/00—Obtaining noble metals
    • C22B11/06—Chloridising
    • 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
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/16—Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
    • C22B3/1666—Leaching with heterocyclic compounds
    • 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)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Catalysts (AREA)
  • Pyridine Compounds (AREA)

Abstract

Procédé amélioré de dissolution d'or métal dans des systèmes de lixiviation par ligands et oxydants, où la solubilité de l'or est renforcée par l'adjonction de composés aromatiques hétérocycliques dont le cycle contient de l'azote et du soufre.
CA002171715A 1993-10-21 1994-10-06 Lixiviation de l'or a l'aide de composes aromatiques heterocycliques contenant de l'azote et du soufre Expired - Fee Related CA2171715C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14080393A 1993-10-21 1993-10-21
US08/140,803 1993-10-21
US08/281,966 US5484470A (en) 1994-07-28 1994-07-28 Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds
US08/281,966 1994-07-28
PCT/US1994/011047 WO1995011319A1 (fr) 1993-10-21 1994-10-06 Lixiviation de l'or a l'aide de composes aromatiques heterocycliques contenant de l'azote et du soufre

Publications (2)

Publication Number Publication Date
CA2171715A1 CA2171715A1 (fr) 1995-04-27
CA2171715C true CA2171715C (fr) 2007-01-09

Family

ID=26838496

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002171715A Expired - Fee Related CA2171715C (fr) 1993-10-21 1994-10-06 Lixiviation de l'or a l'aide de composes aromatiques heterocycliques contenant de l'azote et du soufre

Country Status (9)

Country Link
CN (1) CN1133617A (fr)
AU (1) AU677450B2 (fr)
BR (1) BR9407860A (fr)
CA (1) CA2171715C (fr)
CO (1) CO4180615A1 (fr)
PE (1) PE27195A1 (fr)
RU (1) RU2114926C1 (fr)
WO (1) WO1995011319A1 (fr)
ZW (1) ZW14094A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2789095C (fr) * 2010-02-18 2018-03-06 Neomet Technologies Inc. Procede pour la recuperation d'or a partir d'un minerai dans un milieu de chlorures avec une espece azotee
CA2788965C (fr) 2010-02-18 2019-05-21 Neomet Technologies Inc. Procede pour la recuperation de metaux et d'acide chlorhydrique
RU2467082C1 (ru) * 2011-03-29 2012-11-20 Федеральное государственное бюджетное учреждение науки Институт неорганической химии им. А.В. Николаева Сибирского отделения Российской академии наук Способ электрохимического извлечения серебра из серебросодержащих токопроводящих отходов
CN102534204B (zh) * 2012-03-06 2014-11-05 昆明理工大学 一种以铁（ⅲ）氰化物盐类为氧化剂的硫代硫酸盐提金方法
US10400306B2 (en) 2014-05-12 2019-09-03 Summit Mining International Inc. Brine leaching process for recovering valuable metals from oxide materials
CA2972461C (fr) 2014-12-31 2023-05-09 Dow Quimica De Colombia S.A. Films multicouche et leurs utilisations
CN108265174B (zh) * 2018-01-25 2019-04-23 许良秋 一种金矿清洁提金的方法
CN110029230B (zh) * 2019-04-11 2020-07-21 陕西师范大学 一种绿色环保非氰提金剂、制备方法及其应用
CN110172585B (zh) * 2019-04-29 2020-10-13 北京理工大学 一种从含金废料中提取金单质的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60184647A (ja) * 1984-03-01 1985-09-20 Hitachi Ltd 燃料電池からの貴金属回収方法
CA1223125A (fr) * 1984-06-07 1987-06-23 George P. Demopoulos Separation en direct des metaux precieux par extraction aux solvants et captage selectif
JPH01111824A (ja) * 1987-10-23 1989-04-28 Tanaka Kikinzoku Kogyo Kk 金含有液からの金回収方法
US5169503A (en) * 1988-06-24 1992-12-08 Baughman David R Process for extracting metal values from ores
US5250272A (en) * 1988-09-09 1993-10-05 Degussa Aktiengesellschaft Process for leaching precious metals with hydrogen-peroxide and a cyanide leaching solution
DE3830703C1 (fr) * 1988-09-09 1990-03-22 Degussa Ag, 6000 Frankfurt, De
US4997532A (en) * 1988-12-30 1991-03-05 Satec Ltd. Process for extracting noble metals
US5131943A (en) * 1990-12-11 1992-07-21 Conoco Inc. Process for the separation of precious group VIII a metals from cyano complexes of such metals and other metals
US5256187A (en) * 1992-11-12 1993-10-26 Sherex Chemical Company, Inc. Separation of precious metals by an ion exchange process

Also Published As

Publication number Publication date
CO4180615A1 (es) 1995-06-07
BR9407860A (pt) 1997-05-20
AU677450B2 (en) 1997-04-24
CN1133617A (zh) 1996-10-16
AU8012194A (en) 1995-05-08
WO1995011319A1 (fr) 1995-04-27
RU2114926C1 (ru) 1998-07-10
CA2171715A1 (fr) 1995-04-27
ZW14094A1 (en) 1994-12-28
PE27195A1 (es) 1995-09-28

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CA2171715C (fr) Lixiviation de l'or a l'aide de composes aromatiques heterocycliques contenant de l'azote et du soufre
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