NO129054B - - Google Patents

Download PDF

Info

Publication number
NO129054B
NO129054B NO01079/72A NO107972A NO129054B NO 129054 B NO129054 B NO 129054B NO 01079/72 A NO01079/72 A NO 01079/72A NO 107972 A NO107972 A NO 107972A NO 129054 B NO129054 B NO 129054B
Authority
NO
Norway
Prior art keywords
tantalum
niobium
compounds
solution
ore
Prior art date
Application number
NO01079/72A
Other languages
English (en)
Norwegian (no)
Inventor
R Capps
G Harman
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of NO129054B publication Critical patent/NO129054B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/24Obtaining niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00Compounds of niobium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G35/00Compounds of tantalum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
NO01079/72A 1971-03-29 1972-03-28 NO129054B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12870671A 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
NO129054B true NO129054B (xx) 1974-02-18

Family

ID=22436583

Family Applications (1)

Application Number Title Priority Date Filing Date
NO01079/72A NO129054B (xx) 1971-03-29 1972-03-28

Country Status (14)

Country Link
US (1) US3712939A (xx)
AT (1) AT315521B (xx)
AU (1) AU469419B2 (xx)
BE (1) BE781343A (xx)
CA (1) CA966668A (xx)
DE (1) DE2214817B2 (xx)
FR (1) FR2132127B1 (xx)
GB (1) GB1363953A (xx)
IT (1) IT952432B (xx)
LU (1) LU65058A1 (xx)
NL (1) NL7204177A (xx)
NO (1) NO129054B (xx)
SE (1) SE436499B (xx)
ZA (1) ZA722091B (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK449074A (da) * 1974-08-22 1976-02-23 Atomenergikommissionen Fremgangsmade til udvinding af tantal og/eller niob i fri eller bunden form fra tantal- og niobholdige oplosninger
US4164417A (en) * 1978-04-28 1979-08-14 Kawecki Berylco Industries, Inc. Process for recovery of niobium values for use in preparing niobium alloy products
CA1144376A (fr) * 1980-06-02 1983-04-12 Gilles Legault Procede de lixiviation d'un minerai de niobium et ou de tantale
JPS62241824A (ja) * 1986-04-10 1987-10-22 Sumitomo Chem Co Ltd タンタルとニオブの分離精製方法
BR8703766A (pt) * 1987-07-20 1989-01-31 Mamore Mineracao E Metalurgica Processo para a abertura de minerios
FR2636939B1 (fr) * 1988-09-06 1991-08-30 Inst Nat Rech Chimique Procede perfectionne d'obtention de composes de ta et (ou) nb exempts d'impuretes a partir de materiaux contenant ces metaux
US5023059A (en) * 1988-11-02 1991-06-11 Bielecki Edwin J Recovery of metal values and hydrofluoric acid from tantalum and columbium waste sludge
DE4021207A1 (de) * 1990-07-03 1992-01-16 Starck Hermann C Fa Verfahren zur gewinnung und trennung von tantal und niob
DE4207145C1 (en) * 1992-03-06 1993-04-29 H.C. Starck Gmbh & Co Kg, 3380 Goslar, De Hydro:methallurgical process for recovery of tantalum and niobium - by digesting material e.g. columbite ore with hydrofluoric acid followed by solvent extn. of formed fluoro:complexes
US5437848A (en) * 1992-07-10 1995-08-01 Cabot Corporation Recovery of metal values from process residues
WO1995016635A1 (en) * 1993-12-14 1995-06-22 E.I. Du Pont De Nemours And Company Recovery of spent catalyst
US5620936A (en) * 1993-12-14 1997-04-15 E. I. Dupont De Nemours And Company Recovery of spent catalyst
US6338832B1 (en) * 1995-10-12 2002-01-15 Cabot Corporation Process for producing niobium and tantalum compounds
US5635146A (en) * 1995-11-30 1997-06-03 Osram Sylvania Inc. Method for the dissolution and purification of tantalum pentoxide
US7282187B1 (en) 1996-03-26 2007-10-16 Caboi Corporation Recovery of metal values
BR9710413A (pt) * 1996-03-26 1999-08-17 Cabot Corp M-todo para solubiliza-Æo de valores de metal em subst ncias de ta-nb-ore contendo fluoretos insolÚveis
US6843970B1 (en) 1996-03-26 2005-01-18 Cabot Corporation Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent
US6010676A (en) * 1997-09-12 2000-01-04 Osram Sylvania Inc. Method for making a highly pure tantalum compound
US6383459B1 (en) 2000-08-31 2002-05-07 Osram Sylvania Inc. Method for purifying a tantalum compound using a fluoride compound and sulfuric acid
RU2211871C1 (ru) * 2001-11-29 2003-09-10 Закрытое акционерное общество "Росредмет" Способ переработки лопаритового концентрата
WO2003046234A1 (fr) * 2001-11-29 2003-06-05 Viktor Borisovich Petrov Procede de transformation d'un concentre de loparite
US7182925B2 (en) * 2003-04-24 2007-02-27 Osram Sylvania Inc. Tantalum concentrates dissolution and purification method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953453A (en) * 1958-06-20 1960-09-20 Nat Distillers Chem Corp Recovery of columbium values
US2950966A (en) * 1958-06-20 1960-08-30 Nat Distillers Chem Corp Recovery of tantalum values

Also Published As

Publication number Publication date
BE781343A (fr) 1972-09-28
ZA722091B (en) 1972-12-27
IT952432B (it) 1973-07-20
FR2132127A1 (xx) 1972-11-17
SE436499B (sv) 1984-12-17
NL7204177A (xx) 1972-10-03
US3712939A (en) 1973-01-23
LU65058A1 (xx) 1972-12-07
AU469419B2 (en) 1973-10-04
FR2132127B1 (xx) 1974-08-02
AT315521B (de) 1974-05-27
GB1363953A (en) 1974-08-21
AU4047372A (en) 1973-10-04
CA966668A (en) 1975-04-29
DE2214817A1 (de) 1972-10-12
DE2214817B2 (de) 1976-05-13

Similar Documents

Publication Publication Date Title
NO129054B (xx)
RU2203335C2 (ru) Способы избирательной экстракции металлических компонентов
JPH0328376B2 (xx)
US5358700A (en) Method of extracting zinc from brines
AU653674B2 (en) A process for isolating tantalum and niobium
US4451438A (en) Process for recovering niobium and/or tantalum metal compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
US4446116A (en) Process for recovering niobium and/or tantalum compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
NO141891B (no) Forbindelser for ekstrahering av kobber fra vandige opploesninger
US5023059A (en) Recovery of metal values and hydrofluoric acid from tantalum and columbium waste sludge
WO1982000664A1 (en) Process for selective extraction of germanium
US5244491A (en) Method of extracting zinc lead and silver from brines
US4100252A (en) Metal extraction process
EP0386205B1 (fr) PROCEDE PERFECTIONNE D'OBTENTION DE COMPOSES DE Ta ET(OU) Nb EXEMPTS D'IMPURETES A PARTIR DE MATERIAUX CONTENANT CES METAUX
US5728639A (en) Recovery of spent catalyst
US20150104362A1 (en) Methods and apparatus for recovering molybdenum in uranium in-situ recovery process
US3032388A (en) Method of purifying zirconium chlorides
US20090202405A1 (en) Chemical Beneficiation of Raw Material Containing Tantalum-Niobium
AU700944B2 (en) Process for the isolation and separation of tantalum and niobium
US4584184A (en) Separation and recovery of molybdenum values from uranium process waste
US3069231A (en) Method of separating nickel and cobalt compounds and producing salts therefrom
CN101319277A (zh) 从锗蒸馏废酸中回收铟的碱化方法
US4379126A (en) Process for recovering tungsten values from alkali solutions
CN101403047A (zh) 从锗蒸馏废酸中回收铟的还原调酸方法
US2847275A (en) Uranium recovery process
CN109368594A (zh) 一种头孢类药物废液中碘的回收方法