HK1007769A1 - Metallothermic reduction of rare earth fluorides - Google Patents

Metallothermic reduction of rare earth fluorides

Info

Publication number
HK1007769A1
HK1007769A1 HK98106934A HK98106934A HK1007769A1 HK 1007769 A1 HK1007769 A1 HK 1007769A1 HK 98106934 A HK98106934 A HK 98106934A HK 98106934 A HK98106934 A HK 98106934A HK 1007769 A1 HK1007769 A1 HK 1007769A1
Authority
HK
Hong Kong
Prior art keywords
rare earth
earth fluorides
metallothermic reduction
metallothermic
reduction
Prior art date
Application number
HK98106934A
Other languages
English (en)
Inventor
Ram Autar Sharma
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of HK1007769A1 publication Critical patent/HK1007769A1/xx

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
    • 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)
  • 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)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
HK98106934A 1990-12-06 1998-06-26 Metallothermic reduction of rare earth fluorides HK1007769A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/623,150 US5314526A (en) 1990-12-06 1990-12-06 Metallothermic reduction of rare earth fluorides

Publications (1)

Publication Number Publication Date
HK1007769A1 true HK1007769A1 (en) 1999-04-23

Family

ID=24496987

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106934A HK1007769A1 (en) 1990-12-06 1998-06-26 Metallothermic reduction of rare earth fluorides

Country Status (6)

Country Link
US (1) US5314526A (xx)
EP (1) EP0492681B1 (xx)
JP (1) JP3215825B2 (xx)
CA (1) CA2051838C (xx)
DE (1) DE69124682T2 (xx)
HK (1) HK1007769A1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970007520B1 (ko) * 1993-04-05 1997-05-09 산도쿠긴조쿠 고교 가부시키가이샤 니켈수소 2차 전지로부터의 유효금속회수법
WO1998015667A1 (en) * 1996-10-08 1998-04-16 General Electric Company Reduction-melting process to form rare earth-transition metal alloys and the alloys
JPH11319752A (ja) * 1998-05-12 1999-11-24 Sumitomo Metal Mining Co Ltd 希土類元素含有物からの有価組成物の回収方法、及びこれにより得られた合金粉末
WO2012078524A1 (en) * 2010-12-05 2012-06-14 Metal Oxygen Separation Technologies, Inc. Methods and apparatus for processing of rare earth metal ore
CN103215463B (zh) * 2013-04-12 2014-10-01 东北大学 一种钙化转型-浸出分解氟碳铈矿的方法
JP5452760B1 (ja) * 2013-09-25 2014-03-26 日東電工株式会社 光学的表示装置を製造する方法および装置
US10017867B2 (en) 2014-02-13 2018-07-10 Phinix, LLC Electrorefining of magnesium from scrap metal aluminum or magnesium alloys
WO2019232276A1 (en) 2018-05-30 2019-12-05 Hela Novel Metals Llc Methods for the production of fine metal powders from metal compounds
CN114045405B (zh) * 2021-10-25 2023-05-26 中稀(凉山)稀土有限公司 一种氟碳铈稀土矿冶炼分离中碱转渣固氟的方法
CN115261620B (zh) * 2022-05-23 2024-04-26 中国恩菲工程技术有限公司 金属热还原制备金属钪的方法及金属钪的应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE284889C (xx) * 1913-04-01
US2950962A (en) * 1957-03-28 1960-08-30 Carlson Oscar Norman Reduction of fluoride to metal
FR2148873A1 (xx) * 1971-08-06 1973-03-23 Anvar
FR2551769B2 (fr) * 1983-07-05 1990-02-02 Rhone Poulenc Spec Chim Alliages de neodyme et leur procede de fabrication
US4578242A (en) * 1984-07-03 1986-03-25 General Motors Corporation Metallothermic reduction of rare earth oxides
JPS6184340A (ja) * 1984-10-03 1986-04-28 Showa Denko Kk ネオジウム合金の製造方法
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
FR2607520B1 (fr) * 1986-11-27 1992-06-19 Comurhex Procede d'elaboration par metallothermie d'alliages purs a base de terres rares et de metaux de transition
US4992096A (en) * 1989-06-09 1991-02-12 The Dow Chemical Company Metallothermic reduction or rare earth metals

Also Published As

Publication number Publication date
CA2051838C (en) 1996-07-23
DE69124682D1 (de) 1997-03-27
EP0492681A3 (en) 1993-04-28
US5314526A (en) 1994-05-24
JP3215825B2 (ja) 2001-10-09
CA2051838A1 (en) 1992-06-07
JPH04350134A (ja) 1992-12-04
EP0492681A2 (en) 1992-07-01
EP0492681B1 (en) 1997-02-12
DE69124682T2 (de) 1997-09-25

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)