CL2008003513A1 - Method for processing pyritic copper sulfide concentrate containing gold and / or metals from the platinum and arsenic group that comprises leaching the concentrate in aqueous solution of cucl2 and alkali chloride with hcl, regulating redox potential with oxidizing agent at 400-600 mv with reference to ag / agcl electrode and pH 0.2-1. - Google Patents

Method for processing pyritic copper sulfide concentrate containing gold and / or metals from the platinum and arsenic group that comprises leaching the concentrate in aqueous solution of cucl2 and alkali chloride with hcl, regulating redox potential with oxidizing agent at 400-600 mv with reference to ag / agcl electrode and pH 0.2-1.

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Publication number
CL2008003513A1
CL2008003513A1 CL2008003513A CL2008003513A CL2008003513A1 CL 2008003513 A1 CL2008003513 A1 CL 2008003513A1 CL 2008003513 A CL2008003513 A CL 2008003513A CL 2008003513 A CL2008003513 A CL 2008003513A CL 2008003513 A1 CL2008003513 A1 CL 2008003513A1
Authority
CL
Chile
Prior art keywords
concentrate
arsenic
copper
leaching
gold
Prior art date
Application number
CL2008003513A
Other languages
Spanish (es)
Inventor
Ruonala Mikko
Leppinen Jaakko
Miettinen Ville
Original Assignee
Outotec Oyj
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 Outotec Oyj filed Critical Outotec Oyj
Publication of CL2008003513A1 publication Critical patent/CL2008003513A1/en

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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
    • C22B3/00—Extraction of metal compounds from ores or concentrates 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
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
    • 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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • 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
    • 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
    • C22B11/02—Obtaining noble metals by dry processes
    • C22B11/021—Recovery of noble metals from waste materials
    • 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
    • C22B11/042—Recovery of noble metals from waste materials
    • 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
    • C22B15/00—Obtaining copper
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • C22B15/0067—Leaching or slurrying with acids or salts thereof
    • C22B15/0069—Leaching or slurrying with acids or salts thereof containing halogen
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0084—Treating solutions
    • C22B15/0089—Treating solutions by chemical methods
    • 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
    • C22B15/00—Obtaining copper
    • C22B15/0095—Process control or regulation methods
    • 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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/30—Oximes
    • 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
    • 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
    • C22B30/00—Obtaining antimony, arsenic or bismuth
    • C22B30/04—Obtaining arsenic
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

LA PRESENTE INVENCIÓN SE REFIERE A UN MÉTODO PARA PROCESAR UN CONCENTRADO DE SULFURO DE COBRE PIRITICO QUE CONTIENE ORO Y/O METALES DEL GRUPO DEL PLATINO (PGM) Y ARSÉNICO, EN DONDE EL CONCENTRADO ES LIXIVIADO EN UNA SOLUCIÓN ACUOSA DE CLORURO DE COBRE Y CLORURO ALCALINO QUE CONTIENE ÁCIDO CLORHIDRICO Y EL AZUFRE PERMANECE EN EL RESIDUO FORMADO EN LA LIXIVIACIÓN , EN DONDE EL POTENCIAL REDOX DE LA LIXIVIACIÓN DEL CONCENTRADO SE REGULA MEDIANTE LA ALIMENTACIÓN DE UN AGENTE OXIDANTE AL RANGO DE 400 - 600 MV CON REFERENCIA A UN ELECTRODO DE AG/AGCI Y EL PH SE AJUSTA EN EL RANGO DE 0,2 - 1, DESPUÉS DE LO CUAL EL COBRE DEL CONCENTRADO, Y EL COBRE, EL FIERRO Y EL ARSÉNICO EN LOS MINERALES CON ARSÉNICO SE DISUELVEN, Y EL ORO Y/O LOS PGM UNIDOS A ESTOS MINERALES SE LIBERAN, LA PIRITA Y EL ORO Y/O LOS PGM QUE ELLA CONTIENE MÁS EL ORO LIBERADO Y/O LOS PGM Y EL AZUFRE PERMANECEN EN EL RESIDUO DE LA LIXIVIACIÓN; LA SOLUCIÓN DE CLORURO CÚPRICO<br /> QUE CONTIENE FIERRO Y ARSÉNICO SE NEUTRALIZA PARA PRECIPITAR EL FIERRO Y EL ARSÉNICO, DESPUÉS DE LO CUAL LA SOLUCIÓN DE CLORURO CÚPRICO LIBRE DE FIERRO Y DE ARSÉNICO NEUTRALIZADA SE LLEVA A UNA ETAPA DE EXTRACCIÓN LIQUIDO - LÍQUIDO, EN DONDE EL COBRE ES RECUPERADO EN UNA SOLUCIÓN ACUOSA DE ÁCIDO SULFÚRICO Y ES LLEVADO A LA ELECTROOBTENCIÓN PARA RECUPERAR COBRE ELEMENTAL Y EL REFINO DE LA EXTRACCIÓN LÍQUIDO - LÍQUIDO ES LLEVADO DE NUEVO A LA LIXIVIACIÓN DEL CONCENTRADO.<br />  THE PRESENT INVENTION REFERS TO A METHOD FOR PROCESSING A PYRITE COPPER SULFIDE CONCENTRATE CONTAINING GOLD AND / OR PLATINUM GROUP METALS (PGM) AND ARSENIC, WHERE THE CONCENTRATE IS LEACHED IN A AQUEOUS COPPER CHLORINE SOLUTION ALKALINE CONTAINING HYDROCHLORIC ACID AND SULFUR REMAINS IN THE RESIDUE FORMED IN THE LEACHING, WHERE THE REDOX POTENTIAL OF THE CONCENTRATE LEACHING IS REGULATED BY FEEDING AN AGENT OXIDIZING A 600 MV CONNECTION REFERENCE TO THE RANGE OF 400 / AGCI AND THE PH IS ADJUSTED IN THE RANGE OF 0.2 - 1, AFTER WHICH THE COPPER IN THE CONCENTRATE, AND THE COPPER, IRON AND ARSENIC IN THE MINERALS WITH ARSENIC ARE DISSOLVED, AND THE GOLD AND / OR THE PGM UNITED TO THESE MINERALS ARE RELEASED, THE PYRITE AND THE GOLD AND / OR THE PGM THAT IT CONTAINS PLUS THE GOLD RELEASED AND / OR THE PGM AND THE SULFUR REMAIN IN THE RESIDUE OF THE LEACHING; THE CUPIC CHLORIDE SOLUTION <br /> CONTAINING IRON AND ARSENIC IS NEUTRALIZED TO PRECIPITATE THE IRON AND ARSENIC, AFTER WHICH THE SOLUTION OF IRON AND ARSENIC FREE CUPIC CHLORIDE IS LEAKED A NEUTRALIZED LIQUID LEAKAGE , WHERE THE COPPER IS RECOVERED IN AN AQUEOUS SULFURIC ACID SOLUTION AND IS TAKEN TO THE ELECTROWINNING TO RECOVER ELEMENTARY COPPER AND THE REFINE OF THE LIQUID EXTRACTION - LIQUID IS TAKEN BACK TO THE LEACHING OF THE CONCENTRATE. <br />

CL2008003513A 2007-11-27 2008-11-26 Method for processing pyritic copper sulfide concentrate containing gold and / or metals from the platinum and arsenic group that comprises leaching the concentrate in aqueous solution of cucl2 and alkali chloride with hcl, regulating redox potential with oxidizing agent at 400-600 mv with reference to ag / agcl electrode and pH 0.2-1. CL2008003513A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20070912A FI120315B (en) 2007-11-27 2007-11-27 A process for treating a pyrite concentrate containing gold, copper and arsenic

Publications (1)

Publication Number Publication Date
CL2008003513A1 true CL2008003513A1 (en) 2009-06-05

Family

ID=38786690

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008003513A CL2008003513A1 (en) 2007-11-27 2008-11-26 Method for processing pyritic copper sulfide concentrate containing gold and / or metals from the platinum and arsenic group that comprises leaching the concentrate in aqueous solution of cucl2 and alkali chloride with hcl, regulating redox potential with oxidizing agent at 400-600 mv with reference to ag / agcl electrode and pH 0.2-1.

Country Status (9)

Country Link
AU (1) AU2008328638B2 (en)
BR (1) BRPI0819618A2 (en)
CA (1) CA2706414C (en)
CL (1) CL2008003513A1 (en)
FI (1) FI120315B (en)
MX (1) MX2010005599A (en)
PE (1) PE20091287A1 (en)
WO (1) WO2009068735A1 (en)
ZA (1) ZA201003204B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8052774B2 (en) * 2009-03-31 2011-11-08 Sumitomo Metal Mining Co., Ltd. Method for concentration of gold in copper sulfide minerals
CN101817553B (en) * 2010-04-02 2012-03-07 云南锡业集团（控股）有限责任公司 Method for treating arsenic-containing smoke dust
FI124954B (en) * 2013-04-30 2015-04-15 Outotec Oyj A process for preparing a solution containing gold and a process arrangement for recovering gold and silver
CN105734300B (en) * 2014-12-08 2018-03-27 云南云铜锌业股份有限公司 A kind of method that recovery copper, arsenic are cured as scorodite from copper fumes
AU2016224142B2 (en) * 2015-02-24 2021-05-06 Intec International Projects Pty Ltd Processing of sulfidic ores
WO2016168933A1 (en) 2015-04-21 2016-10-27 University Of Saskatchewan Methods for selective leaching and extraction of precious metals in organic solvents
RU2651017C1 (en) * 2017-09-20 2018-04-18 Общество с ограниченной ответственностью "Золотодобывающая Корпорация" Method of leaching pyrite containing raw materials
CN108220618A (en) * 2018-01-19 2018-06-29 中国地质科学院矿产综合利用研究所 Arsenic-fixing and copper-extracting method for high-arsenic copper sulfide ore
JP6998259B2 (en) 2018-03-30 2022-01-18 Ｊｘ金属株式会社 How to treat copper ore
WO2020062145A1 (en) * 2018-09-29 2020-04-02 长沙有色冶金设计研究院有限公司 Oxygen pressure leaching method for copper sulfide concentrate and copper smelting method
CN110216018A (en) * 2019-05-28 2019-09-10 西北矿冶研究院 Beneficiation method for high-mud fine-grain copper oxide ore
CN110256079B (en) * 2019-06-26 2021-01-26 中国科学院地球化学研究所 Preparation method of high-purity compact arsenopyrite electrode
CN112063833B (en) * 2020-08-21 2022-03-29 向双清 Method for removing arsenic and inhibiting sulfur loss of copper concentrate
CN113088702B (en) * 2021-04-01 2022-04-05 云南黄金矿业集团股份有限公司 Method for recovering valuable elements from acid leaching solution of roasting slag of gold-containing sulfur concentrate
CN114934170B (en) * 2022-05-23 2024-04-19 江西理工大学 Method for separating arsenic and antimony from copper electrolysis black copper sludge and recovering copper

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5820966A (en) * 1997-12-09 1998-10-13 Inco Limited Removal of arsenic from iron arsenic and sulfur dioxide containing solutions
AUPP543798A0 (en) * 1998-08-24 1998-09-17 Technological Resources Pty Limited Hydrometallurgical extraction of copper and other valuable metals
FI115534B (en) * 2002-10-15 2005-05-31 Outokumpu Oy Process for extraction of metals by means of chloride solution and extraction
FI117708B (en) * 2004-04-30 2007-01-31 Outokumpu Technology Oyj Procedure for the extraction of gold in connection with the manufacture of copper

Also Published As

Publication number Publication date
WO2009068735A1 (en) 2009-06-04
BRPI0819618A2 (en) 2015-05-05
ZA201003204B (en) 2011-06-29
FI120315B (en) 2009-09-15
AU2008328638B2 (en) 2013-01-24
PE20091287A1 (en) 2009-09-03
MX2010005599A (en) 2010-06-09
CA2706414C (en) 2014-02-11
FI20070912A (en) 2009-05-28
AU2008328638A1 (en) 2009-06-04
CA2706414A1 (en) 2009-06-04
FI20070912A0 (en) 2007-11-27

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