BR9300739A - HYDRO-METALURGICAL PROCESS FOR OBTAINING TANTALO AND NIOBIO - Google Patents

HYDRO-METALURGICAL PROCESS FOR OBTAINING TANTALO AND 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
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/en

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 HYDRO-METALURGICAL PROCESS FOR OBTAINING TANTALO AND NIOBIO BR9300739A (en)

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 (en) 1993-09-28

Family

ID=6453416

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9300739A BR9300739A (en) 1992-03-06 1993-03-04 HYDRO-METALURGICAL PROCESS FOR OBTAINING TANTALO AND NIOBIO

Country Status (8)

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

Families Citing this family (18)

* 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 (en) * 2000-06-27 2000-12-20 Закрытое акционерное общество "Росредмет" Method of production of oxides of refractory metals from loparite concentrate
WO2003046235A1 (en) * 2001-11-29 2003-06-05 Nikolai Vladimirovich Zots Method for breaking down loparite concentrate
JP5114812B2 (en) 2006-03-07 2013-01-09 キャボット コーポレイション Method for producing deformed metal member
CN102952951A (en) * 2011-08-22 2013-03-06 中国科学院过程工程研究所 Method for extracting tantalum and niobium and producing potassium fluosilicate from tungsten smelting slag
CN102586598A (en) * 2012-03-23 2012-07-18 宁夏东方钽业股份有限公司 Method for decomposing tantalum-niobium compound
CN102888521A (en) * 2012-11-02 2013-01-23 吉林吉恩镍业股份有限公司 Method of sulfuric acid leaching niobium by pressurizing red mud
CN103773965B (en) * 2014-02-28 2016-01-13 西北有色金属研究院 A method for recovering tantalum from tantalum-containing alloy waste
RU2576562C1 (en) * 2014-11-25 2016-03-10 Закрытое акционерное общество "ТЕХНОИНВЕСТ АЛЬЯНС" (ЗАО "ТЕХНОИНВЕСТ АЛЬЯНС") Method for columbite concentrate processing
RU2599463C1 (en) * 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) Method of processing niobium-containing fluoride solution with admixture of antimony
RU2623570C1 (en) * 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) Method of processing of the tantalone-biobase concentrate
CN106676291A (en) * 2016-12-28 2017-05-17 核工业北京化工冶金研究院 Method for comprehensively recovering uranium, niobium and tantalum from ore
CN108165743A (en) * 2017-12-28 2018-06-15 郴州雄风环保科技有限公司 A kind of full extraction and separation prepare high-purity Au, Pt, Pd technology
CN110629048A (en) * 2019-11-04 2019-12-31 常州市耐欧金属材料科技有限公司 Niobium tube production process
CN111286608B (en) * 2020-03-11 2021-12-17 郑州大学 Method for selectively separating tantalum and niobium step by step based on floating extraction
CN111719055A (en) * 2020-07-15 2020-09-29 江西拓泓新材料有限公司 Method for decomposing and leaching tantalum and niobium from sodium-reduced tantalum-niobium metal waste
JP6910690B1 (en) * 2021-03-15 2021-07-28 学校法人福岡工業大学 Niobium and tantalum liquefaction treatment methods
CN115109948B (en) * 2022-06-20 2023-10-27 北京工业大学 Tantalum-niobium extraction and separation method and application thereof

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 (en) * 1968-06-04 1982-04-22 Mallinckrodt, Inc., 63134 St. Louis, Mo. Process for the preparation of an aqueous solution of niobium and / or tantalum fluorine complexes
US3712939A (en) * 1971-03-29 1973-01-23 Union Carbide Corp Method for recovering tantalum and/or columbium
CA1144376A (en) * 1980-06-02 1983-04-12 Gilles Legault Leaching process for niobium and (or) tantalum minerals
US4518570A (en) * 1983-11-07 1985-05-21 Cabot Corporation Process for separating antimony from columbium solutions
FR2636939B1 (en) * 1988-09-06 1991-08-30 Inst Nat Rech Chimique IMPROVED PROCESS FOR OBTAINING TA AND / OR NB COMPOUNDS FREE OF IMPURITIES FROM MATERIALS CONTAINING THESE METALS
DE4021207A1 (en) * 1990-07-03 1992-01-16 Starck Hermann C Fa PROCESS FOR OBTAINING AND SEPARATING TANTAL AND NIOB

Also Published As

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

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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