BR9300739A - Processo hidrometalurgico para a obtencao de tantalo e niobio - Google Patents

Processo hidrometalurgico para a obtencao de tantalo e niobio

Info

Publication number
BR9300739A
BR9300739A BR9300739A BR9300739A BR9300739A BR 9300739 A BR9300739 A BR 9300739A BR 9300739 A BR9300739 A BR 9300739A BR 9300739 A BR9300739 A BR 9300739A BR 9300739 A BR9300739 A BR 9300739A
Authority
BR
Brazil
Prior art keywords
tantalo
niobio
metalurgical
hydro
obtaining
Prior art date
Application number
BR9300739A
Other languages
English (en)
Portuguese (pt)
Inventor
Joachim Dr Eckert
Walter Dr Bludssus
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 BR9300739A publication Critical patent/BR9300739A/pt

Links

Classifications

    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR9300739A 1992-03-06 1993-03-04 Processo hidrometalurgico para a obtencao de tantalo e niobio BR9300739A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924207145 DE4207145C1 (en) 1992-03-06 1992-03-06 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

Publications (1)

Publication Number Publication Date
BR9300739A true BR9300739A (pt) 1993-09-28

Family

ID=6453416

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9300739A BR9300739A (pt) 1992-03-06 1993-03-04 Processo hidrometalurgico para a obtencao de tantalo e niobio

Country Status (8)

Country Link
JP (1) JPH0610074A (de)
CN (1) CN1041753C (de)
AT (1) AT398209B (de)
AU (1) AU653674B2 (de)
BE (1) BE1006385A3 (de)
BR (1) BR9300739A (de)
CA (1) CA2090919C (de)
DE (1) DE4207145C1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6348113B1 (en) 1998-11-25 2002-02-19 Cabot Corporation High purity tantalum, products containing the same, and methods of making the same
RU2160787C1 (ru) * 2000-06-27 2000-12-20 Закрытое акционерное общество "Росредмет" Способ получения окислов тугоплавких металлов из лопаритового концентрата
RU2201987C1 (ru) * 2001-11-29 2003-04-10 Закрытое акционерное общество "Росредмет" Способ вскрытия лопаритового концентрата
RU2270265C1 (ru) * 2004-08-20 2006-02-20 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук Способ переработки лопаритового концентрата
CN101374611B (zh) 2006-03-07 2015-04-08 卡伯特公司 制备变形金属制品的方法
CN102952951A (zh) * 2011-08-22 2013-03-06 中国科学院过程工程研究所 一种从钨冶炼渣中提取钽、铌并联产氟硅酸钾的方法
CN102586598A (zh) * 2012-03-23 2012-07-18 宁夏东方钽业股份有限公司 一种钽铌化合物的分解方法
CN102888521A (zh) * 2012-11-02 2013-01-23 吉林吉恩镍业股份有限公司 赤泥加压硫酸浸出铌的方法
CN103773965B (zh) * 2014-02-28 2016-01-13 西北有色金属研究院 一种从含钽合金废料中回收钽的方法
RU2576562C1 (ru) * 2014-11-25 2016-03-10 Закрытое акционерное общество "ТЕХНОИНВЕСТ АЛЬЯНС" (ЗАО "ТЕХНОИНВЕСТ АЛЬЯНС") Способ переработки колумбитового концентрата
RU2599463C1 (ru) * 2015-06-02 2016-10-10 Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Способ переработки ниобийсодержащего фторидного раствора с примесью сурьмы
RU2623570C1 (ru) * 2016-07-06 2017-06-27 Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Способ переработки танталониобиевого концентрата
CN106676291A (zh) * 2016-12-28 2017-05-17 核工业北京化工冶金研究院 一种从矿石中综合回收铀铌钽的方法
CN108165743A (zh) * 2017-12-28 2018-06-15 郴州雄风环保科技有限公司 一种全萃取分离制备高纯金铂钯技术
CN110629048A (zh) * 2019-11-04 2019-12-31 常州市耐欧金属材料科技有限公司 一种铌管生产工艺
CN111286608B (zh) * 2020-03-11 2021-12-17 郑州大学 一种基于浮游萃取选择性分步分离钽铌的方法
CN111719055A (zh) * 2020-07-15 2020-09-29 江西拓泓新材料有限公司 从钠还原钽铌金属废料中分解浸出钽铌的方法
JP6910690B1 (ja) * 2021-03-15 2021-07-28 学校法人福岡工業大学 ニオブ、及びタンタルの液化処理方法
CN115109948B (zh) * 2022-06-20 2023-10-27 北京工业大学 一种钽铌提取与分离的方法及其应用
CN121653416A (zh) * 2026-02-09 2026-03-13 宁夏东方钽业股份有限公司 钽铌原料的处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117833A (en) * 1958-09-25 1964-01-14 Fansteel Metallurgical Corp Process of purifying and separating columbium and tantalum values from each other
US3403983A (en) * 1965-01-11 1968-10-01 Mallinckrodt Chemical Works Steam distillation of metal values in solution
DE1767674C2 (de) * 1968-06-04 1982-04-22 Mallinckrodt, Inc., 63134 St. Louis, Mo. Verfahren zur Herstellung einer wäßrigen Lösung von Niob- und/oder Tantal-Fluorkomplexen
US3712939A (en) * 1971-03-29 1973-01-23 Union Carbide Corp Method for recovering tantalum and/or columbium
CA1144376A (fr) * 1980-06-02 1983-04-12 Gilles Legault Procede de lixiviation d'un minerai de niobium et ou de tantale
US4518570A (en) * 1983-11-07 1985-05-21 Cabot Corporation Process for separating antimony from columbium solutions
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
DE4021207A1 (de) * 1990-07-03 1992-01-16 Starck Hermann C Fa Verfahren zur gewinnung und trennung von tantal und niob

Also Published As

Publication number Publication date
DE4207145C1 (en) 1993-04-29
ATA19193A (de) 1994-02-15
CA2090919A1 (en) 1993-09-07
CN1076731A (zh) 1993-09-29
CN1041753C (zh) 1999-01-20
JPH0610074A (ja) 1994-01-18
BE1006385A3 (fr) 1994-08-09
CA2090919C (en) 2004-09-21
AU653674B2 (en) 1994-10-06
AU3390693A (en) 1993-09-09
AT398209B (de) 1994-10-25

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Legal Events

Date Code Title Description
EE Request for examination
FF Decision: granting
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 04/03/2013