EP2969276A4 - Methods and systems for recovering rare earth elements - Google Patents

Methods and systems for recovering rare earth elements Download PDF

Info

Publication number
EP2969276A4
EP2969276A4 EP14762220.3A EP14762220A EP2969276A4 EP 2969276 A4 EP2969276 A4 EP 2969276A4 EP 14762220 A EP14762220 A EP 14762220A EP 2969276 A4 EP2969276 A4 EP 2969276A4
Authority
EP
European Patent Office
Prior art keywords
systems
methods
rare earth
earth elements
recovering 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Withdrawn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
EP14762220.3A
Other languages
German (de)
French (fr)
Other versions
EP2969276A1 (en
Inventor
Allan J. Jacobson
Pradeep SAMARASEKERE
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.)
University of Houston System
Original Assignee
University of Houston System
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 University of Houston System filed Critical University of Houston System
Priority claimed from PCT/US2014/028885 external-priority patent/WO2014144463A1/en
Publication of EP2969276A1 publication Critical patent/EP2969276A1/en
Publication of EP2969276A4 publication Critical patent/EP2969276A4/en
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • 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
    • C22B3/32—Carboxylic acids
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP14762220.3A 2013-03-15 2014-03-14 Methods and systems for recovering rare earth elements Withdrawn EP2969276A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361791225P 2013-03-15 2013-03-15
PCT/US2014/028885 WO2014144463A1 (en) 2013-03-15 2014-03-14 Methods and systems for recovering rare earth elements

Publications (2)

Publication Number Publication Date
EP2969276A1 EP2969276A1 (en) 2016-01-20
EP2969276A4 true EP2969276A4 (en) 2017-01-18

Family

ID=54842926

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14762220.3A Withdrawn EP2969276A4 (en) 2013-03-15 2014-03-14 Methods and systems for recovering rare earth elements

Country Status (1)

Country Link
EP (1) EP2969276A4 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004262978A (en) * 2003-02-20 2004-09-24 Tohoku Techno Arch Co Ltd Method for recovering fluorescent powder
US20130102806A1 (en) * 2010-07-05 2013-04-25 Japan Atomic Energy Agency Method for synthesizing rare earth metal extractant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004262978A (en) * 2003-02-20 2004-09-24 Tohoku Techno Arch Co Ltd Method for recovering fluorescent powder
US20130102806A1 (en) * 2010-07-05 2013-04-25 Japan Atomic Energy Agency Method for synthesizing rare earth metal extractant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014144463A1 *

Also Published As

Publication number Publication date
EP2969276A1 (en) 2016-01-20

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