CA2933377C - Systems and methods for recovery of rare-earth constituents from environmental barrier coatings - Google Patents

Systems and methods for recovery of rare-earth constituents from environmental barrier coatings Download PDF

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Publication number
CA2933377C
CA2933377C CA2933377A CA2933377A CA2933377C CA 2933377 C CA2933377 C CA 2933377C CA 2933377 A CA2933377 A CA 2933377A CA 2933377 A CA2933377 A CA 2933377A CA 2933377 C CA2933377 C CA 2933377C
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CA
Canada
Prior art keywords
acid solution
feedstock
oxalate
acid
ebc
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CA2933377A
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English (en)
French (fr)
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CA2933377A1 (en
Inventor
Satya Kishore Manepalli
Theodore Robert Grossman
Don Mark Lipkin
Karthick Vilapakkam Gourishankar
Robert Joseph Lyons
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General Electric Co
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General Electric Co
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Publication date
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Publication of CA2933377A1 publication Critical patent/CA2933377A1/en
Application granted granted Critical
Publication of CA2933377C publication Critical patent/CA2933377C/en
Active legal-status Critical Current
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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA2933377A 2013-12-20 2014-12-17 Systems and methods for recovery of rare-earth constituents from environmental barrier coatings Active CA2933377C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/137,008 2013-12-20
US14/137,008 US9334549B2 (en) 2013-12-20 2013-12-20 Systems and methods for recovery of rare-earth constituents from environmental barrier coatings
PCT/US2014/070806 WO2015095303A1 (en) 2013-12-20 2014-12-17 Systems and methods for recovery of rare-earth constituents from environmental barrier coatings

Publications (2)

Publication Number Publication Date
CA2933377A1 CA2933377A1 (en) 2015-06-25
CA2933377C true CA2933377C (en) 2018-08-07

Family

ID=52394338

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2933377A Active CA2933377C (en) 2013-12-20 2014-12-17 Systems and methods for recovery of rare-earth constituents from environmental barrier coatings

Country Status (7)

Country Link
US (1) US9334549B2 (https=)
EP (1) EP3084025B1 (https=)
JP (1) JP6378771B2 (https=)
CN (1) CN105814217B (https=)
BR (1) BR112016012365A2 (https=)
CA (1) CA2933377C (https=)
WO (1) WO2015095303A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11155897B2 (en) 2017-11-09 2021-10-26 University Of Kentucky Research Foundation Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste
US12312249B2 (en) * 2020-11-12 2025-05-27 University Of North Dakota Generation of rare earth elements from organically-associated leach solutions
CN112846127B (zh) * 2020-12-30 2022-07-12 福建省金瑞高科有限公司 5g基站散热壳的压铸方法及其应用的半固态压铸方法

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US3054655A (en) 1957-09-02 1962-09-18 Krumholz Pawel Process for separating rare earths and yttrium by ion exchange
US3078142A (en) 1957-09-02 1963-02-19 Bril Kazimierz Jozef Process for separating yttrium and rare earths
US2849286A (en) 1957-12-02 1958-08-26 Martin A Welt Method of processing monazite sand
US3102783A (en) 1958-07-11 1963-09-03 Produits Chim Terres Rares Soc Process for separating samarium, europium and ytterbium from other rare earths
JPS4818691B1 (https=) 1968-08-27 1973-06-07
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US3615171A (en) 1970-06-15 1971-10-26 George W Mason Process of separating yttrium from lanthanide rare earths
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FR2539549B1 (fr) 1983-01-17 1988-10-14 Rhone Poulenc Chim Base Procede de recuperation globale de l'uranium, de l'yttrium, du thorium et des terres rares contenus dans une phase organique
JPS60161330A (ja) * 1984-01-31 1985-08-23 Kasei Optonix Co Ltd 廃希土類蛍光体からの高純度希土類酸化物の回収方法
US4799530A (en) * 1988-02-08 1989-01-24 Precision Castparts Corp. Method for recovering casting refractory compositions from investment casting slurries
US4815516A (en) * 1988-03-04 1989-03-28 Precision Castparts Corp. Method for recovering casting refractory compositions from investment casting shell molds
US5512256A (en) 1992-05-08 1996-04-30 Battelle Memorial Institute Method of separation of yttrium-90 from strontium-90
US5368736A (en) 1993-07-26 1994-11-29 The United States Of America As Represented By The United States Department Of Energy Process for the separation and purification of yttrium-90 for medical applications
US5643474A (en) 1995-12-26 1997-07-01 General Electric Company Thermal barrier coating removal on flat and contoured surfaces
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US6267902B1 (en) 1998-12-15 2001-07-31 General Electric Company Process for removing a coating from a hole in a metal substrate
WO2003104149A1 (en) 2002-06-07 2003-12-18 Showa Denko K.K. Process for recovering rare earth oxide from waste liquid containing rare earth element, and process for producing rare earth oxide using same
CN101357776A (zh) * 2002-06-07 2009-02-04 昭和电工株式会社 回收稀土氧化物的方法、生产包含稀土氧化物的磨料的方法以及使用该磨料的抛光方法
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US20060014029A1 (en) * 2004-07-15 2006-01-19 General Electric Company Article including environmental barrier coating system, and method for making
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US7429424B2 (en) 2004-12-06 2008-09-30 General Electric Company Sintering resistant, low conductivity, high stability thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability
US7115326B2 (en) * 2005-01-21 2006-10-03 General Electric Company Thermal/environmental barrier coating with transition layer for silicon-comprising materials
US7595114B2 (en) 2005-12-09 2009-09-29 General Electric Company Environmental barrier coating for a component and method for fabricating the same
US7544112B1 (en) 2006-12-13 2009-06-09 Huffman Corporation Method and apparatus for removing coatings from a substrate using multiple sequential steps
US8039117B2 (en) 2007-09-14 2011-10-18 Siemens Energy, Inc. Combustion turbine component having rare earth NiCoCrAl coating and associated methods
CN101909770B (zh) 2008-01-10 2014-05-07 学校法人芝浦工业大学 有用金属的再循环方法
US8273470B2 (en) 2008-12-19 2012-09-25 General Electric Company Environmental barrier coatings providing CMAS mitigation capability for ceramic substrate components
US8343589B2 (en) 2008-12-19 2013-01-01 General Electric Company Methods for making environmental barrier coatings and ceramic components having CMAS mitigation capability
US8039113B2 (en) 2008-12-19 2011-10-18 General Electric Company Environmental barrier coatings providing CMAS mitigation capability for ceramic substrate components
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US8137645B2 (en) 2010-02-23 2012-03-20 General Electric Company Rare earth recovery from fluorescent material and associated method
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US8524176B2 (en) 2011-12-15 2013-09-03 Reenewal Corporation Rare earth recovery from phosphor
EP2836616A4 (en) 2012-04-09 2015-12-16 Process Res Ortech Inc PROCESS FOR EXTRACTION OF RARE ELEMENTS

Also Published As

Publication number Publication date
EP3084025B1 (en) 2019-05-15
BR112016012365A2 (pt) 2017-08-08
JP2017508692A (ja) 2017-03-30
JP6378771B2 (ja) 2018-08-22
CN105814217B (zh) 2019-06-18
US20150176104A1 (en) 2015-06-25
WO2015095303A1 (en) 2015-06-25
CA2933377A1 (en) 2015-06-25
US9334549B2 (en) 2016-05-10
CN105814217A (zh) 2016-07-27
EP3084025A1 (en) 2016-10-26

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