DE60200705D1 - Verfahren zum Raffinieren von Natrium - Google Patents

Verfahren zum Raffinieren von Natrium

Info

Publication number
DE60200705D1
DE60200705D1 DE60200705T DE60200705T DE60200705D1 DE 60200705 D1 DE60200705 D1 DE 60200705D1 DE 60200705 T DE60200705 T DE 60200705T DE 60200705 T DE60200705 T DE 60200705T DE 60200705 D1 DE60200705 D1 DE 60200705D1
Authority
DE
Germany
Prior art keywords
sodium
calcium
inert gas
inert
content
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 - Fee Related
Application number
DE60200705T
Other languages
English (en)
Other versions
DE60200705T2 (de
Inventor
Pierre Flacher
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.)
MSSA SAINT MARCEL
Original Assignee
MSSA SAINT MARCEL
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 MSSA SAINT MARCEL filed Critical MSSA SAINT MARCEL
Publication of DE60200705D1 publication Critical patent/DE60200705D1/de
Application granted granted Critical
Publication of DE60200705T2 publication Critical patent/DE60200705T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10—Obtaining alkali 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Processing Of Solid Wastes (AREA)
DE60200705T 2001-05-16 2002-05-13 Verfahren zum Raffinieren von Natrium Expired - Fee Related DE60200705T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0106458 2001-05-16
FR0106458A FR2824845B1 (fr) 2001-05-16 2001-05-16 Procede de purification du sodium

Publications (2)

Publication Number Publication Date
DE60200705D1 true DE60200705D1 (de) 2004-08-12
DE60200705T2 DE60200705T2 (de) 2005-07-28

Family

ID=8863352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60200705T Expired - Fee Related DE60200705T2 (de) 2001-05-16 2002-05-13 Verfahren zum Raffinieren von Natrium

Country Status (7)

Country Link
US (1) US6773483B2 (de)
EP (1) EP1258536B1 (de)
JP (1) JP4180836B2 (de)
CN (1) CN1239722C (de)
AT (1) ATE270716T1 (de)
DE (1) DE60200705T2 (de)
FR (1) FR2824845B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054316A (en) * 1933-08-29 1936-09-15 Du Pont Separation of metals
US2863757A (en) 1956-12-23 1958-12-09 Du Pont Process for the removal of calcium from sodium
FR1214176A (fr) * 1958-09-02 1960-04-07 Du Pont Procédé de séparation calcium-sodium
FR2251627B1 (de) * 1973-11-16 1976-11-19 Metaux Speciaux Sa

Also Published As

Publication number Publication date
EP1258536B1 (de) 2004-07-07
FR2824845B1 (fr) 2003-06-27
CN1239722C (zh) 2006-02-01
DE60200705T2 (de) 2005-07-28
CN1389585A (zh) 2003-01-08
US6773483B2 (en) 2004-08-10
US20020170390A1 (en) 2002-11-21
EP1258536A1 (de) 2002-11-20
JP4180836B2 (ja) 2008-11-12
FR2824845A1 (fr) 2002-11-22
JP2003041329A (ja) 2003-02-13
ATE270716T1 (de) 2004-07-15

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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