FR2033998A5 - Recovering columbium - Google Patents

Recovering columbium

Info

Publication number
FR2033998A5
FR2033998A5 FR7004150A FR7004150A FR2033998A5 FR 2033998 A5 FR2033998 A5 FR 2033998A5 FR 7004150 A FR7004150 A FR 7004150A FR 7004150 A FR7004150 A FR 7004150A FR 2033998 A5 FR2033998 A5 FR 2033998A5
Authority
FR
France
Prior art keywords
solution
concentrate
niobium
degrees
heated
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
FR7004150A
Other languages
English (en)
French (fr)
Inventor
Albert Edward Erhard
Jack Benton Allison
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.)
MOLYBDENUM CORP
Original Assignee
MOLYBDENUM CORP
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 MOLYBDENUM CORP filed Critical MOLYBDENUM CORP
Application granted granted Critical
Publication of FR2033998A5 publication Critical patent/FR2033998A5/fr
Expired legal-status Critical Current

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
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR7004150A 1969-02-06 1970-02-05 Recovering columbium Expired FR2033998A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79726569A 1969-02-06 1969-02-06
US885965A US3640679A (en) 1969-02-06 1969-12-17 Process for recovery of columbium

Publications (1)

Publication Number Publication Date
FR2033998A5 true FR2033998A5 (en) 1970-12-04

Family

ID=27121847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7004150A Expired FR2033998A5 (en) 1969-02-06 1970-02-05 Recovering columbium

Country Status (7)

Country Link
US (1) US3640679A (https=)
JP (1) JPS4931404B1 (https=)
BE (1) BE745616A (https=)
DE (1) DE2004965A1 (https=)
FR (1) FR2033998A5 (https=)
NO (2) NO127345B (https=)
SE (1) SE373388B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075933A1 (https=) * 1970-01-05 1971-10-15 Molybdenum Corp

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446116A (en) * 1981-04-02 1984-05-01 Hermann C. Starck Bertin Process for recovering niobium and/or tantalum compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
US4451438A (en) * 1982-03-26 1984-05-29 Herman C. Starck Berlin Process for recovering niobium and/or tantalum metal compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
DE3918691A1 (de) * 1989-06-08 1990-12-13 Starck Hermann C Fa Nioboxidpulver (nb(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)) sowie verfahren zu dessen herstellung
WO2015078493A1 (en) * 2013-11-27 2015-06-04 Outotec (Finland) Oy Roasting of sulfur-poor metal oxide concentrates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481584A (en) * 1946-02-21 1949-09-13 Union Carbide & Carbon Corp Separation of columbium and tantalum
US2819945A (en) * 1955-02-15 1958-01-14 Mallinckrodt Chemical Works Method of separating values of columbium and/or tantalum from a concentrate also containing an element of group iv b
US3107976A (en) * 1957-11-29 1963-10-22 Ernest L Koerner Niobium-tantalum separation
US2953453A (en) * 1958-06-20 1960-09-20 Nat Distillers Chem Corp Recovery of columbium values
US3058825A (en) * 1958-09-22 1962-10-16 Paul B Cardon Process for recovering columbium and tantalum from ores and ore concentrates containing same
US3003867A (en) * 1959-05-22 1961-10-10 Gulf Research Development Co Process for recovery of niobium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075933A1 (https=) * 1970-01-05 1971-10-15 Molybdenum Corp

Also Published As

Publication number Publication date
US3640679A (en) 1972-02-08
SE373388B (sv) 1975-02-03
BE745616A (fr) 1970-08-06
NO132473B (https=) 1975-08-11
JPS4931404B1 (https=) 1974-08-21
DE2004965A1 (de) 1970-09-03
NO132473C (https=) 1975-11-19
NO127345B (https=) 1973-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse