CA2018409A1 - Procede de separation du calcium et de l'azote du lithium - Google Patents

Procede de separation du calcium et de l'azote du lithium

Info

Publication number
CA2018409A1
CA2018409A1 CA2018409A CA2018409A CA2018409A1 CA 2018409 A1 CA2018409 A1 CA 2018409A1 CA 2018409 A CA2018409 A CA 2018409A CA 2018409 A CA2018409 A CA 2018409A CA 2018409 A1 CA2018409 A1 CA 2018409A1
Authority
CA
Canada
Prior art keywords
lithium
calcium
nitrogen
extraction process
insoluble
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.)
Granted
Application number
CA2018409A
Other languages
English (en)
Other versions
CA2018409C (fr
Inventor
Guy Bernard
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.)
Metaux Speciaux SA
Original Assignee
Metaux Speciaux 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 Metaux Speciaux SA filed Critical Metaux Speciaux SA
Publication of CA2018409A1 publication Critical patent/CA2018409A1/fr
Application granted granted Critical
Publication of CA2018409C publication Critical patent/CA2018409C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10Obtaining alkali metals
    • C22B26/12Obtaining lithium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Secondary Cells (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

L'invention est relative à un procédé de séparation du calcium et de l'azote du lithium. Ce procédé est caracté-risé en ce que l'on ajoute de l'alumine au lithium fondu de manière à former du nitrure d'aluminium et de l'oxyde de calcium insolubles et on sépare à chaud lesdits inso-lubles pour récupérer le lithium purifié. Il trouve son application dans l'obtention de lithium de qualité particu-lièrement apte à la fabrication d'alliages d'aluminium-lithium et d'lectrodes de batteries électriques.
CA002018409A 1989-06-09 1990-06-06 Procede de separation du calcium et de l'azote du lithium Expired - Lifetime CA2018409C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8908144 1989-06-09
FR8908144A FR2649416B1 (fr) 1989-06-09 1989-06-09 Procede de separation du calcium et de l'azote du lithium

Publications (2)

Publication Number Publication Date
CA2018409A1 true CA2018409A1 (fr) 1990-12-09
CA2018409C CA2018409C (fr) 1995-12-19

Family

ID=9382902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002018409A Expired - Lifetime CA2018409C (fr) 1989-06-09 1990-06-06 Procede de separation du calcium et de l'azote du lithium

Country Status (9)

Country Link
US (1) US5019158A (fr)
EP (1) EP0402288B1 (fr)
JP (1) JPH0653952B2 (fr)
AT (1) ATE111965T1 (fr)
CA (1) CA2018409C (fr)
DD (1) DD294973A5 (fr)
DE (1) DE69012660T2 (fr)
ES (1) ES2060116T3 (fr)
FR (1) FR2649416B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6200541B1 (en) * 1997-10-28 2001-03-13 Bp Amoco Corporation Composite materials for membrane reactors
CN101642815A (zh) * 2009-09-04 2010-02-10 黄启新 用熔渣导电高温制取金属锂的方法
CN107058761B (zh) * 2016-12-19 2019-06-11 天齐锂业股份有限公司 金属锂或锂合金中降除氮化物的方法
CN106756105B (zh) * 2016-12-19 2018-10-30 天齐锂业股份有限公司 金属锂或锂合金中氮化物的降除方法
US20190280292A1 (en) * 2018-03-08 2019-09-12 Seeo, Inc. Lithium metal foils with low defect density

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287109A (en) * 1963-05-31 1966-11-22 Dow Chemical Co Oxygen removal from alkali metals
US4528032A (en) * 1984-01-10 1985-07-09 The United States Of America As Represented By The United States Department Of Energy Lithium purification technique
US4781756A (en) * 1987-07-02 1988-11-01 Lithium Corporation Of America Removal of lithium nitride from lithium metal

Also Published As

Publication number Publication date
ATE111965T1 (de) 1994-10-15
ES2060116T3 (es) 1994-11-16
US5019158A (en) 1991-05-28
DE69012660T2 (de) 1995-02-09
DE69012660D1 (de) 1994-10-27
JPH0368792A (ja) 1991-03-25
DD294973A5 (de) 1991-10-17
FR2649416B1 (fr) 1991-11-29
EP0402288A2 (fr) 1990-12-12
FR2649416A1 (fr) 1991-01-11
CA2018409C (fr) 1995-12-19
EP0402288B1 (fr) 1994-09-21
EP0402288A3 (fr) 1991-09-18
JPH0653952B2 (ja) 1994-07-20

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202