BR9500498A - Process for the isolation of tantalum and niobium - Google Patents

Process for the isolation of tantalum and niobium

Info

Publication number
BR9500498A
BR9500498A BR9500498A BR9500498A BR9500498A BR 9500498 A BR9500498 A BR 9500498A BR 9500498 A BR9500498 A BR 9500498A BR 9500498 A BR9500498 A BR 9500498A BR 9500498 A BR9500498 A BR 9500498A
Authority
BR
Brazil
Prior art keywords
niobium
tantalum
isolation
Prior art date
Application number
BR9500498A
Other languages
Portuguese (pt)
Inventor
Walter Dr Bludssus
Joachim Dr Eckert
Original Assignee
Starck H C Gmbh Co Kg
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 Starck H C Gmbh Co Kg filed Critical Starck H C Gmbh Co Kg
Publication of BR9500498A publication Critical patent/BR9500498A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00—Compounds of niobium
    • C01G33/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G35/00—Compounds of tantalum
    • C01G35/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/306—Ketones or aldehydes
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR9500498A 1994-02-11 1995-02-10 Process for the isolation of tantalum and niobium BR9500498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4404374A DE4404374C1 (en) 1994-02-11 1994-02-11 Recovery and sepn of tantalum and niobium from materials contg. both

Publications (1)

Publication Number Publication Date
BR9500498A true BR9500498A (en) 1995-10-17

Family

ID=6510044

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9500498A BR9500498A (en) 1994-02-11 1995-02-10 Process for the isolation of tantalum and niobium

Country Status (4)

Country Link
JP (1) JPH07252552A (en)
AU (1) AU700944B2 (en)
BR (1) BR9500498A (en)
DE (1) DE4404374C1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6348113B1 (en) 1998-11-25 2002-02-19 Cabot Corporation High purity tantalum, products containing the same, and methods of making the same
DE10335448B4 (en) * 2002-09-04 2016-07-21 H.C. Starck Gmbh Process for recovering and separating tantalum and niobium from tantalum raw materials
AT506547B1 (en) 2006-03-07 2013-02-15 Cabot Corp METHOD FOR PRODUCING DEFORMED METAL OBJECTS
WO2017061331A1 (en) * 2015-10-07 2017-04-13 京セラ株式会社 Adsorbent and compound recovery method using same
CN111057879A (en) * 2020-01-02 2020-04-24 荆门德威格林美钨资源循环利用有限公司 Process method for separating tantalum and niobium elements from hard alloy
CN111690827B (en) * 2020-07-01 2022-07-15 江西拓泓新材料有限公司 Method for recovering tantalum resource from potassium fluotantalate crystallization mother liquor
JP6996798B1 (en) * 2021-05-31 2022-01-17 株式会社アサカ理研 Manufacturing method of tantalum oxide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962372A (en) * 1958-01-17 1960-11-29 Union Carbide Corp Columbium and tantalum separation
US2950966A (en) * 1958-06-20 1960-08-30 Nat Distillers Chem Corp Recovery of tantalum values
US3117833A (en) * 1958-09-25 1964-01-14 Fansteel Metallurgical Corp Process of purifying and separating columbium and tantalum values from each other
DE4021207A1 (en) * 1990-07-03 1992-01-16 Starck Hermann C Fa PROCESS FOR OBTAINING AND SEPARATING TANTAL AND NIOB

Also Published As

Publication number Publication date
JPH07252552A (en) 1995-10-03
AU700944B2 (en) 1999-01-14
AU1162395A (en) 1995-08-24
DE4404374C1 (en) 1995-05-18

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Legal Events

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

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FG9A Patent or certificate of addition granted
B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2256 DE 01/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 18A, 19A E 20A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2605 DE 08-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.