EP2885436A4 - Recovery of rare earth metals - Google Patents

Recovery of rare earth metals

Info

Publication number
EP2885436A4
EP2885436A4 EP13879584.4A EP13879584A EP2885436A4 EP 2885436 A4 EP2885436 A4 EP 2885436A4 EP 13879584 A EP13879584 A EP 13879584A EP 2885436 A4 EP2885436 A4 EP 2885436A4
Authority
EP
European Patent Office
Prior art keywords
recovery
rare earth
earth metals
metals
rare
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.)
Withdrawn
Application number
EP13879584.4A
Other languages
German (de)
French (fr)
Other versions
EP2885436A1 (en
Inventor
Seshadri Seetharaman
Lidong Teng
Sridhar Seetharaman
Mansoor Barati
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.)
JERNKONTORET
Original Assignee
JERNKONTORET
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 JERNKONTORET filed Critical JERNKONTORET
Publication of EP2885436A1 publication Critical patent/EP2885436A1/en
Publication of EP2885436A4 publication Critical patent/EP2885436A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/34—Electrolytic production, recovery or refining of metals by electrolysis of melts of metals not provided for in groups C25C3/02 - C25C3/32
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/06—Operating or servicing
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP13879584.4A 2012-08-17 2013-08-14 Recovery of rare earth metals Withdrawn EP2885436A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250932 2012-08-17
PCT/SE2013/050970 WO2014027950A1 (en) 2012-08-17 2013-08-14 Recovery of rare earth metals

Publications (2)

Publication Number Publication Date
EP2885436A1 EP2885436A1 (en) 2015-06-24
EP2885436A4 true EP2885436A4 (en) 2015-08-19

Family

ID=50685665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13879584.4A Withdrawn EP2885436A4 (en) 2012-08-17 2013-08-14 Recovery of rare earth metals

Country Status (8)

Country Link
US (1) US20150203979A1 (en)
EP (1) EP2885436A4 (en)
JP (1) JP2015531827A (en)
CN (1) CN104685078A (en)
AU (1) AU2013303264A1 (en)
CA (1) CA2881811A1 (en)
RU (1) RU2015105027A (en)
WO (1) WO2014027950A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6444058B2 (en) * 2014-05-20 2018-12-26 国立大学法人秋田大学 Recovery method of dysprosium by molten salt electrolysis using lithium halide
JP6502621B2 (en) * 2014-06-03 2019-04-17 株式会社東芝 Complex oxide separation method
CN104120288B (en) * 2014-07-21 2016-01-20 东北大学 A kind of method of direct thermal reduction continuous production samarium metal
CN104498723B (en) * 2014-12-16 2016-07-06 湖南稀土金属材料研究院 The method extracting Scia from titanium slag chlorized abraum salt
CN108505069B (en) * 2018-03-30 2021-04-20 西安瑞鑫科金属材料有限责任公司 Method for recovering iridium and rhodium from iridium-rhodium alloy waste
CN109161934B (en) * 2018-11-13 2019-12-31 内蒙古科技大学 Method for separating rare earth elements in neodymium iron boron alloy waste and directly preparing rare earth metals
CN110611136B (en) * 2019-09-09 2022-10-21 华北理工大学 Method for recovering and preparing cobalt elementary substance from waste lithium battery by molten salt method
WO2021133106A1 (en) * 2019-12-27 2021-07-01 한국생산기술연구원 Method for recovering rare earth metal
KR102303795B1 (en) * 2019-12-27 2021-09-23 한국생산기술연구원 Method for converting rare earth metal
CN111411235A (en) * 2020-04-16 2020-07-14 管玲飞 Method for recycling rare earth elements of lanthanum, cerium, neodymium, iron and boron waste materials without ammonia nitrogen
CN111440947B (en) * 2020-04-17 2022-02-15 包头稀土研究院 Method for preparing metal ytterbium by reducing and distilling ytterbium oxide raw material
MX2022016256A (en) * 2020-07-01 2023-05-17 Yeda Res & Dev Recovery of rare earth metals from ferromagnetic alloys.
CN114657397B (en) * 2022-04-01 2023-06-02 南昌航空大学 Method for preparing 6N-level samarium chloride by extraction separation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009139715A1 (en) * 2008-05-13 2009-11-19 Salt Extraction Aktiebolag A process for chlorinating resources containing recoverable metals
US20120152062A1 (en) * 2010-12-20 2012-06-21 General Electric Company Rare earth recovery from phosphor material and associated method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1004427B (en) * 1984-10-05 1989-06-07 通用汽车公司 Metallothermic reduction of rare earth oxides
CN85100812A (en) * 1984-10-05 1986-09-03 通用汽车公司 Use metallothermic reduction of rare earth oxides with calcium metal
CN1013323B (en) * 1986-03-04 1991-07-24 住友特殊金属株式会社 Method for producing rare earth alloy
US4680055A (en) * 1986-03-18 1987-07-14 General Motors Corporation Metallothermic reduction of rare earth chlorides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009139715A1 (en) * 2008-05-13 2009-11-19 Salt Extraction Aktiebolag A process for chlorinating resources containing recoverable metals
US20120152062A1 (en) * 2010-12-20 2012-06-21 General Electric Company Rare earth recovery from phosphor material and associated method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014027950A1 *

Also Published As

Publication number Publication date
RU2015105027A (en) 2016-10-10
AU2013303264A1 (en) 2015-03-05
JP2015531827A (en) 2015-11-05
US20150203979A1 (en) 2015-07-23
CN104685078A (en) 2015-06-03
EP2885436A1 (en) 2015-06-24
CA2881811A1 (en) 2014-02-20
WO2014027950A1 (en) 2014-02-20

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Legal Events

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Extension state: BA ME

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150722

RIC1 Information provided on ipc code assigned before grant

Ipc: C25C 3/34 20060101ALI20150716BHEP

Ipc: C22B 59/00 20060101AFI20150716BHEP

Ipc: C22B 7/00 20060101ALI20150716BHEP

DAX Request for extension of the european patent (deleted)
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Effective date: 20161027