BR9102794A - Processo para a obtencao de tantalo e niobio - Google Patents

Processo para a obtencao de tantalo e niobio

Info

Publication number
BR9102794A
BR9102794A BR919102794A BR9102794A BR9102794A BR 9102794 A BR9102794 A BR 9102794A BR 919102794 A BR919102794 A BR 919102794A BR 9102794 A BR9102794 A BR 9102794A BR 9102794 A BR9102794 A BR 9102794A
Authority
BR
Brazil
Prior art keywords
tantalo
niobio
obtaining
obtaining tantalo
Prior art date
Application number
BR919102794A
Other languages
English (en)
Inventor
Walter Dr Bludssus
Joachim Dr Eckert
Original Assignee
Starck Hermann C Fa
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 Hermann C Fa filed Critical Starck Hermann C Fa
Publication of BR9102794A publication Critical patent/BR9102794A/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
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or 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)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR919102794A 1990-07-03 1991-07-02 Processo para a obtencao de tantalo e niobio BR9102794A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4021207A DE4021207A1 (de) 1990-07-03 1990-07-03 Verfahren zur gewinnung und trennung von tantal und niob

Publications (1)

Publication Number Publication Date
BR9102794A true BR9102794A (pt) 1992-02-04

Family

ID=6409595

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919102794A BR9102794A (pt) 1990-07-03 1991-07-02 Processo para a obtencao de tantalo e niobio

Country Status (5)

Country Link
US (1) US5209910A (pt)
JP (1) JP3009253B2 (pt)
AT (1) AT396256B (pt)
BR (1) BR9102794A (pt)
DE (1) DE4021207A1 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH09506675A (ja) * 1993-12-14 1997-06-30 イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー 使用済み触媒の回収
US5620936A (en) * 1993-12-14 1997-04-15 E. I. Dupont De Nemours And Company Recovery of spent catalyst
DE4404374C1 (de) * 1994-02-11 1995-05-18 Starck H C Gmbh Co Kg Verfahren zur Gewinnung und Trennung von Tantal und Niob
US6338832B1 (en) * 1995-10-12 2002-01-15 Cabot Corporation Process for producing niobium and tantalum compounds
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
US7282187B1 (en) 1996-03-26 2007-10-16 Caboi Corporation Recovery of metal values
JP4375630B2 (ja) * 1996-03-26 2009-12-02 キャボット コーポレイション 不溶性フッ化物を含有するＴａ―Ｎｂ―鉱石材料から金属有価物を可溶化する方法
DE19619228C2 (de) * 1996-05-13 1998-10-08 Starck H C Gmbh Co Kg Verfahren zur Entfernung von Antimon aus flußsauren Ta/Nb-haltigen Lösungen
US6348113B1 (en) 1998-11-25 2002-02-19 Cabot Corporation High purity tantalum, products containing the same, and methods of making the same
BR0307878A (pt) * 2002-02-27 2005-01-25 Stella Chemifa Kabuskiki Kaish Método para purificar um composto de nióbio e/ou um composto de tântalo
EP1484283A4 (en) * 2002-02-27 2008-03-05 Stella Chemifa Kk CLEANING METHOD FOR THE PRODUCTION OF A HIGH-PURITY NIOB CONNECTION AND / OR TANTALI COMPOUND
KR20040091071A (ko) * 2002-02-27 2004-10-27 스텔라 케미파 가부시키가이샤 고순도 니오브 화합물 및/또는 탄탈 화합물의 정제방법
DE10335448B4 (de) * 2002-09-04 2016-07-21 H.C. Starck Gmbh Verfahren zur Gewinnung und Trennung von Tantal und Niob aus tantalarmen Rohstoffen
JP5114812B2 (ja) * 2006-03-07 2013-01-09 キャボット コーポレイション 変形させた金属部材の製造方法
JP4949960B2 (ja) * 2007-07-27 2012-06-13 Ｄｏｗａホールディングス株式会社 酸化タンタルの製造方法
US7981191B2 (en) * 2007-10-15 2011-07-19 Hi-Temp Specialty Metals, Inc. Method for the production of tantalum powder using reclaimed scrap as source material
CN105129851B (zh) * 2015-08-20 2018-01-30 宁夏东方钽业股份有限公司 一种高纯氧化铌的制备方法
CN111057879A (zh) * 2020-01-02 2020-04-24 荆门德威格林美钨资源循环利用有限公司 一种硬质合金中分离出钽铌元素的工艺方法
KR20210107346A (ko) * 2020-02-24 2021-09-01 (주)에코리사이클링 탄탈륨의 회수 방법
CN111690827B (zh) * 2020-07-01 2022-07-15 江西拓泓新材料有限公司 从氟钽酸钾结晶母液中回收钽资源的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA658122A (en) * 1963-02-19 L. Drobnick James Solvent extraction of niobium values
CA603147A (en) * 1960-08-09 F. Brenthel Carl Method of precipitating tantalum and/or niobium compounds from ketonic solutions
US2962372A (en) * 1958-01-17 1960-11-29 Union Carbide Corp Columbium and tantalum separation
US3117833A (en) * 1958-09-25 1964-01-14 Fansteel Metallurgical Corp Process of purifying and separating columbium and tantalum values from each other
US3712939A (en) * 1971-03-29 1973-01-23 Union Carbide Corp Method for recovering tantalum and/or columbium
DE2435427A1 (de) * 1974-07-23 1976-02-05 Starck Hermann C Fa Verfahren zur verarbeitung von tantalniob-haltigen schlacken und rueckstaenden
DE2927835A1 (de) * 1979-07-10 1981-06-04 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur rueckgewinnung von fluorwasserstoffsaeure und deponierfaehigen rueckstaenden bei der verarbeitung niob- und/oder tantal-haltiger rohstoffe
JPS62292619A (ja) * 1986-06-09 1987-12-19 Sumitomo Chem Co Ltd ニオブの精製方法

Also Published As

Publication number Publication date
AT396256B (de) 1993-07-26
DE4021207A1 (de) 1992-01-16
US5209910A (en) 1993-05-11
ATA130891A (de) 1992-11-15
JP3009253B2 (ja) 2000-02-14
DE4021207C2 (pt) 1993-09-02
JPH04280818A (ja) 1992-10-06

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 02/07/2011