BR7904995A - Processo de extracao de colombio-tantalo a partir de minerios de pirocloro - Google Patents

Processo de extracao de colombio-tantalo a partir de minerios de pirocloro

Info

Publication number
BR7904995A
BR7904995A BR7904995A BR7904995A BR7904995A BR 7904995 A BR7904995 A BR 7904995A BR 7904995 A BR7904995 A BR 7904995A BR 7904995 A BR7904995 A BR 7904995A BR 7904995 A BR7904995 A BR 7904995A
Authority
BR
Brazil
Prior art keywords
pirochloro
colombio
tantalo
ores
extraction process
Prior art date
Application number
BR7904995A
Other languages
English (en)
Inventor
P Payton
R Nielsen
Original Assignee
Teledyne Ind
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 Teledyne Ind filed Critical Teledyne Ind
Publication of BR7904995A publication Critical patent/BR7904995A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00Compounds of niobium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00Superconductor technology: apparatus, material, process
    • Y10S505/80Material per se process of making same
    • Y10S505/81Compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR7904995A 1978-08-04 1979-08-03 Processo de extracao de colombio-tantalo a partir de minerios de pirocloro BR7904995A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/929,545 US4182744A (en) 1978-08-04 1978-08-04 Extracting columbium-tantalum values from pyrochlore ores

Publications (1)

Publication Number Publication Date
BR7904995A true BR7904995A (pt) 1980-04-22

Family

ID=25458027

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7904995A BR7904995A (pt) 1978-08-04 1979-08-03 Processo de extracao de colombio-tantalo a partir de minerios de pirocloro

Country Status (3)

Country Link
US (1) US4182744A (pt)
BR (1) BR7904995A (pt)
CA (1) CA1122416A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8703766A (pt) * 1987-07-20 1989-01-31 Mamore Mineracao E Metalurgica Processo para a abertura de minerios
US5384105A (en) * 1992-05-29 1995-01-24 Eco Tek, Inc. Metal and fluorine values recovery from mineral ore treatment
US6641641B2 (en) * 2000-09-12 2003-11-04 Mitsui Mining & Smelting Co., Ltd. Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein
US6800259B2 (en) * 2002-03-04 2004-10-05 Cabot Corporation Methods to control H2S and arsine emissions
RU2507281C1 (ru) * 2012-06-01 2014-02-20 Федеральное государственное бюджетное учреждение науки Институт химии Дальневосточного отделения Российской академии наук (ИХ ДВО РАН) Способ обработки смеси оксидов ниобия и/или тантала и титана
RU2525025C1 (ru) * 2013-06-20 2014-08-10 Федеральное государственное образовательное автономное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Способ вскрытия перовскитовых концентратов

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1905882A (en) * 1928-01-20 1933-04-25 Fansteel Prod Co Inc Metallic columbium and process for making the same
US2880060A (en) * 1957-02-28 1959-03-31 Horizons Inc Separation of niobium and tantalum values
US3107976A (en) * 1957-11-29 1963-10-22 Ernest L Koerner Niobium-tantalum separation
US3025157A (en) * 1959-05-22 1962-03-13 Gulf Research Development Co Process for recovery of niobium from ores in association with alkaline earth metals
BE757612A (fr) * 1970-01-05 1971-04-01 Molybdenum Corp Procedes ameliores pour la recuperation de columbium

Also Published As

Publication number Publication date
US4182744A (en) 1980-01-08
CA1122416A (en) 1982-04-27

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19940803