CA3274627A1 - Process for separating rare-earth metals in admixture in aqueous solution - Google Patents

Process for separating rare-earth metals in admixture in aqueous solution

Info

Publication number
CA3274627A1
CA3274627A1 CA3274627A CA3274627A CA3274627A1 CA 3274627 A1 CA3274627 A1 CA 3274627A1 CA 3274627 A CA3274627 A CA 3274627A CA 3274627 A CA3274627 A CA 3274627A CA 3274627 A1 CA3274627 A1 CA 3274627A1
Authority
CA
Canada
Prior art keywords
dithiocarbamate
solution
aqueous solution
process according
elements
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.)
Pending
Application number
CA3274627A
Other languages
English (en)
Inventor
Johann KIEFFER
Christophe Roux
Vincent BATONNIER
Original Assignee
SNF SA
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 SNF SA filed Critical SNF SA
Publication of CA3274627A1 publication Critical patent/CA3274627A1/en
Pending legal-status Critical Current

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
    • C22B59/00—Obtaining rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/10—Preparation or treatment, e.g. separation or purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/10—Preparation or treatment, e.g. separation or purification
    • C01F17/17—Preparation or treatment, e.g. separation or purification involving a liquid-liquid extraction
    • 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
    • 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
    • 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
    • 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
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet 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)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA3274627A 2024-06-03 2025-05-23 Process for separating rare-earth metals in admixture in aqueous solution Pending CA3274627A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR24/05774 2024-06-03
FR2405774A FR3162743A1 (fr) 2024-06-03 2024-06-03 Procede de separation de terres rares en melange en solution aqueuse

Publications (1)

Publication Number Publication Date
CA3274627A1 true CA3274627A1 (en) 2026-01-19

Family

ID=93211767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3274627A Pending CA3274627A1 (en) 2024-06-03 2025-05-23 Process for separating rare-earth metals in admixture in aqueous solution

Country Status (7)

Country Link
US (1) US20250369075A1 (https=)
EP (1) EP4660332A1 (https=)
JP (1) JP2025182702A (https=)
CN (1) CN121065506A (https=)
AU (1) AU2025204072A1 (https=)
CA (1) CA3274627A1 (https=)
FR (1) FR3162743A1 (https=)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204861A (en) 1987-04-24 1988-11-23 Central Glass Co Ltd Preparation of inorganic metal compounds of ultrahigh purity
JP4730903B2 (ja) * 2006-03-01 2011-07-20 三井金属鉱業株式会社 セリウム系研摩材用原料の回収方法
JP5086021B2 (ja) * 2007-10-03 2012-11-28 Ａｇｃセイミケミカル株式会社 稀土類元素の回収方法
US8167809B2 (en) 2007-12-20 2012-05-01 Silicon Valley Medical Instruments, Inc. Imaging probe housing with fluid flushing
JP5401497B2 (ja) 2011-04-08 2014-01-29 株式会社日立製作所 希土類元素の分離回収方法
JP5440569B2 (ja) * 2011-04-15 2014-03-12 住友金属鉱山株式会社 重希土類元素の回収方法
JP5310825B2 (ja) * 2011-11-14 2013-10-09 住友金属鉱山株式会社 希土類元素の回収方法
JP6789910B2 (ja) 2017-10-18 2020-11-25 株式会社東芝 電池ユニットおよび電池ユニットの制御方法
US11845670B2 (en) * 2019-05-17 2023-12-19 The Curators Of The University Of Missouri Task-specific ionic liquids for selective separation and recovery of rare earth elements
EP4177365A1 (en) * 2021-11-05 2023-05-10 Commissariat à l'Energie Atomique et aux Energies Alternatives A green process for the extraction of lanthanide elements

Also Published As

Publication number Publication date
EP4660332A1 (en) 2025-12-10
JP2025182702A (ja) 2025-12-15
CN121065506A (zh) 2025-12-05
US20250369075A1 (en) 2025-12-04
AU2025204072A1 (en) 2025-12-18
FR3162743A1 (fr) 2025-12-05

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