AU654419B2 - Process for electrolysis of melts containing neodymium compounds - Google Patents

Process for electrolysis of melts containing neodymium compounds Download PDF

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Publication number
AU654419B2
AU654419B2 AU30288/92A AU3028892A AU654419B2 AU 654419 B2 AU654419 B2 AU 654419B2 AU 30288/92 A AU30288/92 A AU 30288/92A AU 3028892 A AU3028892 A AU 3028892A AU 654419 B2 AU654419 B2 AU 654419B2
Authority
AU
Australia
Prior art keywords
neodymium
process according
fluoride
electrolysis
weight
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.)
Ceased
Application number
AU30288/92A
Other languages
English (en)
Other versions
AU3028892A (en
Inventor
Jean-Jacques Duruz
Jean-Louis Jorda
Ulrich Stroder
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.)
WC Heraus GmbH and Co KG
Moltech Invent SA
Original Assignee
Heraeus Elektrochemie GmbH
Moltech Invent SA
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 Heraeus Elektrochemie GmbH, Moltech Invent SA filed Critical Heraeus Elektrochemie GmbH
Publication of AU3028892A publication Critical patent/AU3028892A/en
Application granted granted Critical
Publication of AU654419B2 publication Critical patent/AU654419B2/en
Assigned to MOLTECH INVENT S.A., W.C. HERAEUS GMBH & CO. KG. reassignment MOLTECH INVENT S.A. Request to Amend Deed and Register Assignors: MOLTECH INVENT S.A., W.C. HERAEUS GMBH
Assigned to MOLTECH INVENT S.A., W.C. HERAEUS GMBH reassignment MOLTECH INVENT S.A. Alteration of Name(s) in Register under S187 Assignors: HERAEUS-ELEKTROCHEMIE GMBH, MOLTECH INVENT S.A.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/34—Electrolytic production, recovery or refining of metals by electrolysis of melts of metals not provided for in groups C25C3/02 - C25C3/32

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
AU30288/92A 1991-12-20 1992-12-18 Process for electrolysis of melts containing neodymium compounds Ceased AU654419B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4142160A DE4142160C1 (OSRAM) 1991-12-20 1991-12-20
DE4142160 1991-12-20

Publications (2)

Publication Number Publication Date
AU3028892A AU3028892A (en) 1993-06-24
AU654419B2 true AU654419B2 (en) 1994-11-03

Family

ID=6447603

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30288/92A Ceased AU654419B2 (en) 1991-12-20 1992-12-18 Process for electrolysis of melts containing neodymium compounds

Country Status (6)

Country Link
US (1) US5346608A (OSRAM)
EP (1) EP0548498B1 (OSRAM)
JP (1) JP2577172B2 (OSRAM)
AT (1) ATE127539T1 (OSRAM)
AU (1) AU654419B2 (OSRAM)
DE (2) DE4142160C1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202517800A (zh) * 2023-08-17 2025-05-01 薩米 阿什卡 自廢料萃取稀土金屬的系統及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828658A (en) * 1987-04-21 1989-05-09 Aluminium Pechiney Process for the preparation of mother alloys of iron and neodymium by electrolysis of oxygen-bearing salts in a medium of molten fluorides
US4964966A (en) * 1988-03-01 1990-10-23 Moreland Peter J Electrode and construction thereof
US5143746A (en) * 1990-02-05 1992-09-01 Tokai Carbon Co., Ltd. Process for producing magnetite-coated electrode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088548A (en) * 1973-05-15 1978-05-09 Townsend Douglas W Electrolytic method and apparatus for refractory metals using a hollow carbon electrode
US4684448A (en) * 1984-10-03 1987-08-04 Sumitomo Light Metal Industries, Ltd. Process of producing neodymium-iron alloy
JPS63166987A (ja) * 1986-12-27 1988-07-11 Asahi Chem Ind Co Ltd 希土類金属の製造方法
DE3729361A1 (de) * 1987-09-02 1989-03-16 Max Planck Gesellschaft Optimierung der gefuegestruktur des fe-nd-b-basis sintermagneten
JP2596976B2 (ja) * 1988-06-22 1997-04-02 昭和電工株式会社 ネオジム又はネオジム合金の製造方法
WO1990001078A1 (en) * 1988-07-28 1990-02-08 Massachusetts Institute Of Technology Apparatus and method for the electrolytic production of metals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828658A (en) * 1987-04-21 1989-05-09 Aluminium Pechiney Process for the preparation of mother alloys of iron and neodymium by electrolysis of oxygen-bearing salts in a medium of molten fluorides
US4964966A (en) * 1988-03-01 1990-10-23 Moreland Peter J Electrode and construction thereof
US5143746A (en) * 1990-02-05 1992-09-01 Tokai Carbon Co., Ltd. Process for producing magnetite-coated electrode

Also Published As

Publication number Publication date
JP2577172B2 (ja) 1997-01-29
EP0548498B1 (de) 1995-09-06
AU3028892A (en) 1993-06-24
US5346608A (en) 1994-09-13
DE4142160C1 (OSRAM) 1993-03-11
DE59203579D1 (de) 1995-10-12
EP0548498A1 (de) 1993-06-30
ATE127539T1 (de) 1995-09-15
JPH0688279A (ja) 1994-03-29

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired