BR9602511A - Processo para a produção pirometalúrgica de óxido de nióbio - Google Patents

Processo para a produção pirometalúrgica de óxido de nióbio

Info

Publication number
BR9602511A
BR9602511A BR9602511A BR9602511A BR9602511A BR 9602511 A BR9602511 A BR 9602511A BR 9602511 A BR9602511 A BR 9602511A BR 9602511 A BR9602511 A BR 9602511A BR 9602511 A BR9602511 A BR 9602511A
Authority
BR
Brazil
Prior art keywords
niobium oxide
pyrometallurgical production
pyrometallurgical
production
niobium
Prior art date
Application number
BR9602511A
Other languages
English (en)
Inventor
Klaus Rieger
Joachim Eckert
Jochen Weber
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 BR9602511A publication Critical patent/BR9602511A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00—Compounds of niobium
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR9602511A 1995-05-30 1996-05-29 Processo para a produção pirometalúrgica de óxido de nióbio BR9602511A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995119722 DE19519722B4 (de) 1995-05-30 1995-05-30 Verfahren zur Herstellung von Nioboxid

Publications (1)

Publication Number Publication Date
BR9602511A true BR9602511A (pt) 1998-04-22

Family

ID=7763175

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9602511A BR9602511A (pt) 1995-05-30 1996-05-29 Processo para a produção pirometalúrgica de óxido de nióbio

Country Status (3)

Country Link
AT (1) AT403044B (pt)
BR (1) BR9602511A (pt)
DE (1) DE19519722B4 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722141C2 (de) * 1997-05-27 2000-10-12 Seherr Thoss Graf Von Gleichlauf-Kugeldrehgelenk mit zwei getrennten Gruppen von Kugeln für die Gleichlaufsteuerung und Drehkraftübertragung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773737A (en) * 1953-11-24 1956-12-11 Monsanto Chemicals Chemical process for recovering niobium values from niobiferous ferrophosphorus
US2909427A (en) * 1958-07-22 1959-10-20 Vanadium Corp Of America Process of making ferrocolumbium from columbite ore
US3721727A (en) * 1971-09-09 1973-03-20 Kawecki Berylco Ind Electric furnace method of beneficiating tantalum-and noibium-containing tin slags and the like
LU78341A1 (pt) * 1977-10-19 1979-02-02

Also Published As

Publication number Publication date
ATA91496A (de) 1997-03-15
AT403044B (de) 1997-10-27
DE19519722B4 (de) 2004-04-29
DE19519722A1 (de) 1996-12-05

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Legal Events

Date Code Title Description
FF Decision: granting
FG9A Patent or certificate of addition granted
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

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 2310 DE 14-04-2015 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.