DE3661482D1 - Process for preparing refined tantalum or niobium - Google Patents

Process for preparing refined tantalum or niobium

Info

Publication number
DE3661482D1
DE3661482D1 DE8686201170T DE3661482T DE3661482D1 DE 3661482 D1 DE3661482 D1 DE 3661482D1 DE 8686201170 T DE8686201170 T DE 8686201170T DE 3661482 T DE3661482 T DE 3661482T DE 3661482 D1 DE3661482 D1 DE 3661482D1
Authority
DE
Germany
Prior art keywords
niobium
tantalum
preparing refined
refined tantalum
cast metal
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
Application number
DE8686201170T
Other languages
English (en)
Inventor
Vynck Ivan A De
Backer Pierre D E De
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.)
Societe Generale Metallurgique de Hoboken SA
Original Assignee
Societe Generale Metallurgique de Hoboken 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 Societe Generale Metallurgique de Hoboken SA filed Critical Societe Generale Metallurgique de Hoboken SA
Application granted granted Critical
Publication of DE3661482D1 publication Critical patent/DE3661482D1/de
Expired 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • 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
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/228—Remelting metals with heating by wave energy or particle radiation by particle radiation, e.g. electron beams

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE8686201170T 1985-09-23 1986-07-03 Process for preparing refined tantalum or niobium Expired DE3661482D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU86090A LU86090A1 (fr) 1985-09-23 1985-09-23 Procede pour preparer du tantale ou du niobium affins

Publications (1)

Publication Number Publication Date
DE3661482D1 true DE3661482D1 (en) 1989-01-26

Family

ID=19730550

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686201170T Expired DE3661482D1 (en) 1985-09-23 1986-07-03 Process for preparing refined tantalum or niobium

Country Status (6)

Country Link
US (1) US4727928A (de)
EP (1) EP0216398B1 (de)
JP (1) JPS6280235A (de)
AT (1) ATE39366T1 (de)
DE (1) DE3661482D1 (de)
LU (1) LU86090A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6473028A (en) * 1987-09-16 1989-03-17 Tosoh Corp Recovering method for high purity tantalum from scrap tantalum
GB9008833D0 (en) * 1990-04-19 1990-06-13 Boc Group Plc Heating
US5234674A (en) * 1991-06-27 1993-08-10 Teledyne Industries, Inc. Process for the preparation of metal carbides
US5211921A (en) * 1991-06-27 1993-05-18 Teledyne Industries, Inc. Process of making niobium oxide
AU2294392A (en) * 1991-06-27 1993-01-25 Teledyne Industries, Inc. Process for the preparation of metal hydrides
US5188810A (en) * 1991-06-27 1993-02-23 Teledyne Industries, Inc. Process for making niobium oxide
AU2254392A (en) * 1991-06-27 1993-01-25 Teledyne Industries, Inc. Method for the preparation of niobium nitride
US5322548A (en) * 1991-06-27 1994-06-21 Teledyne Industries, Inc. Recovery of niobium metal
US5972065A (en) * 1997-07-10 1999-10-26 The Regents Of The University Of California Purification of tantalum by plasma arc melting
US6323055B1 (en) 1998-05-27 2001-11-27 The Alta Group, Inc. Tantalum sputtering target and method of manufacture
US6348113B1 (en) * 1998-11-25 2002-02-19 Cabot Corporation High purity tantalum, products containing the same, and methods of making the same
US6197082B1 (en) * 1999-02-17 2001-03-06 H.C. Starck, Inc. Refining of tantalum and tantalum scrap with carbon
RU2161207C1 (ru) * 2000-04-06 2000-12-27 Федеральное государственное унитарное предприятие Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет" Способ получения ниобия высокой чистоты
WO2001096620A2 (en) * 2000-05-22 2001-12-20 Cabot Corporation High purity niobium and products containing the same, and methods of making the same
US20060130610A1 (en) * 2002-09-25 2006-06-22 Ward-Close Charles M Purification process
RU2238992C1 (ru) * 2003-03-11 2004-10-27 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт неорганических материалов им. акад. А.А. Бочвара" Способ получения ниобиевых слитков
WO2009052007A1 (en) * 2007-10-15 2009-04-23 Hi-Temp Specialty Metals, Inc. Method for the production of tantalum powder using reclaimed scrap as source material
RU2499065C1 (ru) * 2012-10-12 2013-11-20 Закрытое Акционерное Общество "Уральские Инновационные Технологии" (ЗАО "УРАЛИНТЕХ") Способ рафинирования сплавов на основе тантала

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB936875A (en) * 1961-01-23 1963-09-18 Ici Ltd Double melting in electron-beam furnaces
US3343828A (en) * 1962-03-30 1967-09-26 Air Reduction High vacuum furnace
FR1359381A (fr) * 1963-03-27 1964-04-24 Temescal Metallurgical Corp Four à vide poussé
DE1291760B (de) * 1963-11-08 1969-04-03 Suedwestfalen Ag Stahlwerke Verfahren und Vorrichtung zum diskontinuierlichen und kontinuierlichen Vakuum-Schmelzen und -Giessen von Staehlen und stahlaehnlichen Legierungen (Superiegierungen)
FR1411991A (fr) * 1964-09-17 1965-09-24 Suedwestfalen Ag Stahlwerke Procédé et dispositif pour la fusion et la coulée sous vide d'aciers ou d'alliages analogues à l'acier super-alliages
US3425826A (en) * 1966-03-21 1969-02-04 Atomic Energy Commission Purification of vanadium and columbium (niobium)
US3547622A (en) * 1968-06-12 1970-12-15 Pennwalt Corp D.c. powered plasma arc method and apparatus for refining molten metal
GB1388380A (en) * 1970-12-29 1975-03-26 British Iron Steel Research Plasma separation of material
DE2209147B2 (de) * 1972-02-26 1975-09-18 Steigerwald Strahltechnik Gmbh, 8000 Muenchen Verfahren zur Vermeidung der Porenbildung innerhalb energiestrahl-umgeschmolzener Werkstoffbereiche
US3894573A (en) * 1972-06-05 1975-07-15 Paton Boris E Installation and method for plasma arc remelting of metal
GB2118208A (en) * 1982-03-31 1983-10-26 Rolls Royce Method of making an alloy
GB2117412A (en) * 1982-03-31 1983-10-12 Rolls Royce Making an alloy by remelting powder of selected particle size
US4518418A (en) * 1983-06-10 1985-05-21 Duval Corporation Electron beam refinement of metals, particularly copper
JPS60124452A (ja) * 1983-12-07 1985-07-03 Hitachi Ltd 高純度金属スリ−ブの製造方法

Also Published As

Publication number Publication date
ATE39366T1 (de) 1989-01-15
EP0216398B1 (de) 1988-12-21
JPS6280235A (ja) 1987-04-13
LU86090A1 (fr) 1987-04-02
JPH0253499B2 (de) 1990-11-16
EP0216398A1 (de) 1987-04-01
US4727928A (en) 1988-03-01

Similar Documents

Publication Publication Date Title
DE3661482D1 (en) Process for preparing refined tantalum or niobium
ZA793978B (en) An aluminum alloy composition and method for the manufacture of container components from scrap aluminum
AU524226B2 (en) Recovery of metal values from anode slimes
HU911186D0 (en) Process for producing ammonium salts of n-methyl-5,6,7,8-tetrahydropholic acid, for separation of (6rs) diastereomer mixtures and for producing (6r)- and (6s)-alcaline metal and alcaline earth metal salts
NO154306C (no) Fremgangsmaate til fremstilling av meget rent isobuten ved dehydratisering av tertiaer-butanol.
HUT39454A (en) Process for preparing derivatives of glycero-phosphocholine and glycero-phospho-ethanolamine
DE3277789D1 (en) Method of electron beam evaporating reactive metals onto semiconductors
YU181785A (en) Process of double initiation for obtaining rough pulverized silica
EP0204298A3 (en) Process for producing niobium metal of an ultrahigh purity
DE3069828D1 (en) Process of making titanium alloy articles by powder metallurgy
NO832991L (no) Nikkel-jern baserte lav-ekspansjons-legeringer
AU2098683A (en) Open chamber furnace for the manufacture of electrolytic anodes
GB2155494B (en) Process for carbothermic production of ferroboron or ferroboronsilicon alloy
DE3175716D1 (en) Process for the preparation of pharmaceutical and cosmetic dispersions
YU10483A (en) Process for improving the vapour-corrosion resistance of zircnium alloys at high tempertures
AU536649B2 (en) Process for the preparation of aluminium alloys
JPS57183783A (en) Manufacture of cholesterol derivatives
DE3269885D1 (en) Method of making a lead-calcium-aluminium alloy
EP0152522A3 (en) Process for producing a metal powder or metal alloy powder
AU531558B2 (en) Process for the dechlorination and cooling of the anolyte of the alkali metal halide electrolysis
GB468825A (en) Improvements in or relating to split-anode magnetrons
JPS5254898A (en) Spattering ion source of microwave
DE3160133D1 (en) 7,8-amino, hydroxy-1-phenyl-2,3,4,5-tetrahydro-1h-3-benzazepines, process for their preparation and pharmaceutical compositions containing them
JPS57126928A (en) Fluxing agent and production of alloy
de Vynck Process for Preparing Refined Tantalum or Niobium

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee