PE20191621A1 - Lixiviacion oxidativa presurizada, de bajo contenido de solidos y baja acidez de materiales de alimentacion sulfurados - Google Patents

Lixiviacion oxidativa presurizada, de bajo contenido de solidos y baja acidez de materiales de alimentacion sulfurados

Info

Publication number
PE20191621A1
PE20191621A1 PE2019002038A PE2019002038A PE20191621A1 PE 20191621 A1 PE20191621 A1 PE 20191621A1 PE 2019002038 A PE2019002038 A PE 2019002038A PE 2019002038 A PE2019002038 A PE 2019002038A PE 20191621 A1 PE20191621 A1 PE 20191621A1
Authority
PE
Peru
Prior art keywords
copper
low
silver
pressurized
sulfured
Prior art date
Application number
PE2019002038A
Other languages
English (en)
Inventor
Preston Carl Holloway
Jan Tjeerd Smit
Original Assignee
Sherritt Int Corporation
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 Sherritt Int Corporation filed Critical Sherritt Int Corporation
Publication of PE20191621A1 publication Critical patent/PE20191621A1/es

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
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • C22B15/0067—Leaching or slurrying with acids or salts thereof
    • C22B15/0073—Leaching or slurrying with acids or salts thereof containing nitrogen
    • C22B15/0076—Cyanide groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0253—Fluidised bed of solid materials
    • B01D11/0257—Fluidised bed of solid materials using mixing mechanisms, e.g. stirrers, jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/028—Flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0288—Applications, solvents
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/11—Removing sulfur, phosphorus or arsenic other than by roasting
    • 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
    • C22B11/08—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
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • C22B15/0067—Leaching or slurrying with acids or salts thereof
    • C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
    • 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
    • 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
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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
    • 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)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Proceso para recuperar uno o ambos de cobre y/o plata de una alimentacion sulfurada que contiene hierro, arsenico, cobre y plata por oxidacion a presion de una lechada de alimentacion acuosa hecha con dicha alimentacion sulfurada, en un recipiente presurizado, para formar una fase liquida que contiene acido sulfurico libre y sulfato de cobre acuoso, y para precipitar arsenico como compuestos solidos de Fe-As. El proceso incluye operar el recipiente presurizado con un contenido de solidos suficientemente bajo para mantener un nivel de acido libre menor que 30 g/l en la fase liquida, y proveer suficiente calor como para mantener en el recipiente presurizado una temperatura mayor a los 200 °C. El cobre metalico se recupera de la fase liquida y/o la plata se puede recuperar de los solidos mediante lixiviacion con cianuro sin necesidad de realizar un paso de descomposicion de la jarosita.
PE2019002038A 2017-04-14 2018-04-10 Lixiviacion oxidativa presurizada, de bajo contenido de solidos y baja acidez de materiales de alimentacion sulfurados PE20191621A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762485607P 2017-04-14 2017-04-14
PCT/CA2018/000071 WO2018187855A1 (en) 2017-04-14 2018-04-10 Low acidity, low solids pressure oxidative leaching of sulphidic feeds

Publications (1)

Publication Number Publication Date
PE20191621A1 true PE20191621A1 (es) 2019-11-06

Family

ID=63792008

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2019002038A PE20191621A1 (es) 2017-04-14 2018-04-10 Lixiviacion oxidativa presurizada, de bajo contenido de solidos y baja acidez de materiales de alimentacion sulfurados

Country Status (7)

Country Link
US (1) US11118244B2 (es)
BG (1) BG113021A (es)
CA (1) CA3054964A1 (es)
CL (1) CL2019002915A1 (es)
PE (1) PE20191621A1 (es)
PH (1) PH12019502328A1 (es)
WO (1) WO2018187855A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11584975B1 (en) * 2021-08-26 2023-02-21 Sherritt International Corporation Integrated pressure oxidative leach of copper sulphidic feed with copper heap leach
WO2024130244A1 (en) * 2022-12-16 2024-06-20 Michigan Technological University Extracting and recovering metals from cathode active materials from li-ion batteries using sulfide minerals and chemicals

Family Cites Families (46)

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Also Published As

Publication number Publication date
CL2019002915A1 (es) 2020-03-06
CA3054964A1 (en) 2018-10-18
WO2018187855A1 (en) 2018-10-18
PH12019502328A1 (en) 2020-09-28
US20180298466A1 (en) 2018-10-18
US11118244B2 (en) 2021-09-14
BG113021A (bg) 2020-11-16

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