CL2020000774A1 - Gold leaching method and gold recovery method. - Google Patents

Gold leaching method and gold recovery method.

Info

Publication number
CL2020000774A1
CL2020000774A1 CL2020000774A CL2020000774A CL2020000774A1 CL 2020000774 A1 CL2020000774 A1 CL 2020000774A1 CL 2020000774 A CL2020000774 A CL 2020000774A CL 2020000774 A CL2020000774 A CL 2020000774A CL 2020000774 A1 CL2020000774 A1 CL 2020000774A1
Authority
CL
Chile
Prior art keywords
gold
leaching
sulfur
stage
leached
Prior art date
Application number
CL2020000774A
Other languages
Spanish (es)
Inventor
Ryosuke Tatsumi
Akira Yoshimura
Kazuhiro Sekine
Original Assignee
Jx Nippon Mining & Metals Corp
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 Jx Nippon Mining & Metals Corp filed Critical Jx Nippon Mining & Metals Corp
Publication of CL2020000774A1 publication Critical patent/CL2020000774A1/en

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
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

UN MÉTODO DE LIXIVIACIÓN DE ORO SEGÚN LA PRESENTE INVENCIÓN ES UN MÉTODO PARA LIXIVIAR EL ORO CONTENIDO EN MATERIAS PRIMAS QUE CONTIENEN ORO Y AZUFRE, COMO MINERALES DE SULFURO O PRODUCTOS INTERMEDIOS DE REFINACIÓN OBTENIDOS SOMETIENDO LOS MINERALES DE SULFURO A UN TRATAMIENTO DE REFINACIÓN, COMPRENDIENDO EL MÉTODO: UNA PRIMERA ETAPA DE LIXIVIACIÓN DE LIXIVIAR UNA PARTE DEL ORO EN LAS MATERIAS PRIMAS PARA OBTENER UN RESIDUO LIXIVIADO QUE CONTIENE AZUFRE Y EL ORO RESTANTE; UNA ETAPA DE RETIRADA DE AZUFRE DE RETIRAR AZUFRE EN EL RESIDUO LIXIVIADO; Y UNA SEGUNDA ETAPA DE LIXIVIACIÓN DE LIXIVIAR AL MENOS UNA PARTE DEL ORO RESTANTE EN EL RESIDUO LIXIVIADO DESPUÉS DE LA ETAPA DE RETIRADA DE AZUFRE.A GOLD LEACHING METHOD ACCORDING TO THE PRESENT INVENTION IS A METHOD FOR LEACHING THE GOLD CONTAINED IN RAW MATERIALS CONTAINING GOLD AND SULFUR, SUCH AS SULFIDE MINERALS OR INTERMEDIATE REFINING PRODUCTS OBTAINED UNDER THE REFINEMENT OF THE MINERAL REFINEMENT UNDER REFINING METHOD: A FIRST LEACHING STAGE OF LEACHING A PART OF THE GOLD IN THE RAW MATERIALS TO OBTAIN A LEACHED RESIDUE CONTAINING SULFUR AND THE REMAINING GOLD; A SULFUR REMOVAL STAGE OF REMOVING SULFUR IN LEACHED WASTE; AND A SECOND LEACHING STAGE OF LEACHING AT LEAST A PORTION OF THE REMAINING GOLD IN THE WASTE LEACHED AFTER THE SULFUR REMOVAL STAGE.

CL2020000774A 2017-09-26 2020-03-25 Gold leaching method and gold recovery method. CL2020000774A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017185364A JP6953258B2 (en) 2017-09-26 2017-09-26 Gold leaching method and gold recovery method

Publications (1)

Publication Number Publication Date
CL2020000774A1 true CL2020000774A1 (en) 2020-08-14

Family

ID=65901284

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2020000774A CL2020000774A1 (en) 2017-09-26 2020-03-25 Gold leaching method and gold recovery method.

Country Status (5)

Country Link
JP (1) JP6953258B2 (en)
AU (1) AU2018340945B2 (en)
CL (1) CL2020000774A1 (en)
PE (1) PE20201046A1 (en)
WO (1) WO2019064709A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7344512B2 (en) * 2019-11-22 2023-09-14 国立大学法人九州大学 Sulfide leaching method
JP7558512B2 (en) 2020-02-25 2024-10-01 国立大学法人九州大学 Method for pre-treating gold ore and method for gold recovery

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8726158D0 (en) * 1987-11-07 1987-12-09 British Petroleum Co Plc Separation process
US5902474A (en) * 1993-07-29 1999-05-11 Cominco Engineering Services Ltd. Chloride assisted hydrometallurgical extraction of metal
EA011927B1 (en) * 2003-12-23 2009-06-30 Батеман Люксембург Са Method of recovering gold from refractory sulphide ores and concentrates
JP2011058018A (en) * 2009-09-07 2011-03-24 Sumitomo Metal Mining Co Ltd Method for recovering gold concentrate from leach residue of copper sulfide minerals
JP5554285B2 (en) * 2011-03-30 2014-07-23 Ｊｘ日鉱日石金属株式会社 Gold leaching method
JP5955393B2 (en) * 2012-09-04 2016-07-20 Ｊｘ金属株式会社 Method for leaching gold from gold ore containing pyrite
CA2972351C (en) * 2014-12-26 2020-08-25 Jx Nippon Mining & Metals Corporation Method for recovering gold from activated carbon
CN104805281A (en) * 2015-05-05 2015-07-29 中南大学 Method for leaching sulfide gold concentrate by virtue of combination of acid pressure leaching and alkali pressure leaching

Also Published As

Publication number Publication date
PE20201046A1 (en) 2020-10-12
JP2019059984A (en) 2019-04-18
JP6953258B2 (en) 2021-10-27
WO2019064709A1 (en) 2019-04-04
AU2018340945A1 (en) 2020-03-19
AU2018340945B2 (en) 2021-05-27

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