DE3564451D1 - Metallothermic reduction of rare earth oxides with calcium metal - Google Patents

Metallothermic reduction of rare earth oxides with calcium metal

Info

Publication number
DE3564451D1
DE3564451D1 DE8585304046T DE3564451T DE3564451D1 DE 3564451 D1 DE3564451 D1 DE 3564451D1 DE 8585304046 T DE8585304046 T DE 8585304046T DE 3564451 T DE3564451 T DE 3564451T DE 3564451 D1 DE3564451 D1 DE 3564451D1
Authority
DE
Germany
Prior art keywords
rare earth
calcium metal
earth oxides
metallothermic reduction
oxides
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.)
Expired
Application number
DE8585304046T
Other languages
German (de)
English (en)
Inventor
Ram Autar Sharma
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of DE3564451D1 publication Critical patent/DE3564451D1/de
Expired 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
    • C22B5/00—General methods of reducing to 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
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE8585304046T 1984-07-03 1985-06-07 Metallothermic reduction of rare earth oxides with calcium metal Expired DE3564451D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62773684A 1984-07-03 1984-07-03

Publications (1)

Publication Number Publication Date
DE3564451D1 true DE3564451D1 (en) 1988-09-22

Family

ID=24515917

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304046T Expired DE3564451D1 (en) 1984-07-03 1985-06-07 Metallothermic reduction of rare earth oxides with calcium metal

Country Status (10)

Country Link
EP (1) EP0170372B1 (ja)
JP (1) JPS6130639A (ja)
KR (1) KR910001581B1 (ja)
AT (1) ATE36560T1 (ja)
AU (1) AU575965B2 (ja)
BR (1) BR8503140A (ja)
DE (1) DE3564451D1 (ja)
ES (1) ES8702508A1 (ja)
MX (1) MX173880B (ja)
ZA (1) ZA854474B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578242A (en) * 1984-07-03 1986-03-25 General Motors Corporation Metallothermic reduction of rare earth oxides
US4680055A (en) * 1986-03-18 1987-07-14 General Motors Corporation Metallothermic reduction of rare earth chlorides
US4837109A (en) * 1986-07-21 1989-06-06 Hitachi Metals, Ltd. Method of producing neodymium-iron-boron permanent magnet
AT389899B (de) * 1986-08-19 1990-02-12 Treibacher Chemische Werke Ag Verfahren zur herstellung von se-metallen und se-haltigen legierungen
JPH01138119A (ja) * 1987-11-24 1989-05-31 Mitsubishi Metal Corp 希土類電解スラグからサマリウムとユーロピウムを回収する方法
DE3817553A1 (de) * 1988-05-24 1989-11-30 Leybold Ag Verfahren zum herstellen von titan und zirkonium
US4917724A (en) * 1988-10-11 1990-04-17 General Motors Corporation Method of decalcifying rare earth metals formed by the reduction-diffusion process
KR100373109B1 (ko) * 1999-09-30 2003-02-25 해 남 현 토양의 치환성 칼리 침출방법 및 이를 이용하여 침출된 토양 치환성 칼리의 정량방법
JP2004052003A (ja) * 2002-07-16 2004-02-19 Cabot Supermetal Kk ニオブ粉末またはタンタル粉末の製造方法および製造装置
RU2405045C2 (ru) * 2008-05-12 2010-11-27 Анатолий Евгеньевич Волков Способ и устройство автоклавного производства химически активных металлов
US20130056193A1 (en) * 2010-01-12 2013-03-07 Sylvan Source, Inc. Heat transfer interface
CN103436718B (zh) * 2013-08-16 2015-06-17 宁夏东方钽业股份有限公司 一种高纯金属镧的制取方法
EP3802893A4 (en) 2018-05-30 2022-03-02 Hela Novel Metals LLC PROCESS FOR PRODUCTION OF FINE METAL POWDER FROM METAL COMPOUNDS
KR102153737B1 (ko) * 2019-12-12 2020-09-09 한국지질자원연구원 철-희토류계 영구자석으로부터 선택염화법에 의한 희토류 원소의 회수 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190923215A (en) * 1909-10-11 1910-09-29 Hans Kuzel Process for the Production of Zirconium and other Rare Metals.
US2950962A (en) * 1957-03-28 1960-08-30 Carlson Oscar Norman Reduction of fluoride to metal
GB1040468A (en) * 1964-10-26 1966-08-24 Dow Chemical Co Preparation of rare earth metal, yttrium, or scandium
GB1579978A (en) * 1977-07-05 1980-11-26 Johnson Matthey Co Ltd Production of yttrium
SU1027232A1 (ru) * 1982-01-15 1983-07-07 Научно-исследовательский институт металлургии Способ получени лигатуры
EP0108474B2 (en) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
JPS59177346A (ja) * 1983-03-25 1984-10-08 Sumitomo Special Metals Co Ltd 希土類磁石素材用配合合金
JPS6077943A (ja) * 1983-10-03 1985-05-02 Sumitomo Special Metals Co Ltd 希土類磁石用原料合金の製造方法
US4578242A (en) * 1984-07-03 1986-03-25 General Motors Corporation Metallothermic reduction of rare earth oxides

Also Published As

Publication number Publication date
ZA854474B (en) 1986-03-26
KR910001581B1 (ko) 1991-03-16
BR8503140A (pt) 1986-03-18
ES8702508A1 (es) 1987-01-01
AU4448885A (en) 1986-01-09
JPS6130639A (ja) 1986-02-12
KR860001203A (ko) 1986-02-24
ES544799A0 (es) 1987-01-01
EP0170372A1 (en) 1986-02-05
AU575965B2 (en) 1988-08-11
JPS6137341B2 (ja) 1986-08-23
EP0170372B1 (en) 1988-08-17
ATE36560T1 (de) 1988-09-15
MX173880B (es) 1994-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee