KR910001581B1 - 칼슘금속을 이용한 희토류산화물의 비전해 환원공정 - Google Patents

칼슘금속을 이용한 희토류산화물의 비전해 환원공정 Download PDF

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Publication number
KR910001581B1
KR910001581B1 KR1019850004710A KR850004710A KR910001581B1 KR 910001581 B1 KR910001581 B1 KR 910001581B1 KR 1019850004710 A KR1019850004710 A KR 1019850004710A KR 850004710 A KR850004710 A KR 850004710A KR 910001581 B1 KR910001581 B1 KR 910001581B1
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South Korea
Prior art keywords
rare earth
salt bath
oxide
metal
calcium
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Expired
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KR1019850004710A
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English (en)
Korean (ko)
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KR860001203A (ko
Inventor
오타 샤마 램
Original Assignee
제너럴 모터즈 코오포레이션
에이. 디. 하인즈
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Publication of KR860001203A publication Critical patent/KR860001203A/ko
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Publication of KR910001581B1 publication Critical patent/KR910001581B1/ko
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    • 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

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  • 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)
KR1019850004710A 1984-07-03 1985-07-01 칼슘금속을 이용한 희토류산화물의 비전해 환원공정 Expired KR910001581B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US62773684A 1984-07-03 1984-07-03
US627,736 1984-07-03
US627736 1984-07-03

Publications (2)

Publication Number Publication Date
KR860001203A KR860001203A (ko) 1986-02-24
KR910001581B1 true KR910001581B1 (ko) 1991-03-16

Family

ID=24515917

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850004710A Expired KR910001581B1 (ko) 1984-07-03 1985-07-01 칼슘금속을 이용한 희토류산화물의 비전해 환원공정

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102153737B1 (ko) * 2019-12-12 2020-09-09 한국지질자원연구원 철-희토류계 영구자석으로부터 선택염화법에 의한 희토류 원소의 회수 방법

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
EP2523752A4 (en) * 2010-01-12 2015-09-30 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
MY202245A (en) 2018-05-30 2024-04-19 Hela Novel Metals Llc Methods for the production of fine metal powders from metal compounds
CN111139366B (zh) * 2020-01-17 2024-05-31 鹰潭市宇钠科技中心(有限合伙) 一种钠冷快堆中核纯级冷却材料制备提纯方法及其设备

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102153737B1 (ko) * 2019-12-12 2020-09-09 한국지질자원연구원 철-희토류계 영구자석으로부터 선택염화법에 의한 희토류 원소의 회수 방법

Also Published As

Publication number Publication date
DE3564451D1 (en) 1988-09-22
JPS6137341B2 (enExample) 1986-08-23
KR860001203A (ko) 1986-02-24
AU575965B2 (en) 1988-08-11
ATE36560T1 (de) 1988-09-15
JPS6130639A (ja) 1986-02-12
BR8503140A (pt) 1986-03-18
AU4448885A (en) 1986-01-09
ES8702508A1 (es) 1987-01-01
MX173880B (es) 1994-04-07
EP0170372A1 (en) 1986-02-05
EP0170372B1 (en) 1988-08-17
ZA854474B (en) 1986-03-26
ES544799A0 (es) 1987-01-01

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