BR9703117A - Processo para a remoção de antimônio de soluções de ácido fluorídrico que contêm ta/nb - Google Patents

Processo para a remoção de antimônio de soluções de ácido fluorídrico que contêm ta/nb

Info

Publication number
BR9703117A
BR9703117A BR9703117A BR9703117A BR9703117A BR 9703117 A BR9703117 A BR 9703117A BR 9703117 A BR9703117 A BR 9703117A BR 9703117 A BR9703117 A BR 9703117A BR 9703117 A BR9703117 A BR 9703117A
Authority
BR
Brazil
Prior art keywords
hydrofluoric acid
solutions containing
acid solutions
removing antimony
antimony
Prior art date
Application number
BR9703117A
Other languages
English (en)
Inventor
Karlheinz Reichert
Uwe Boehmke
Walter 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 BR9703117A publication Critical patent/BR9703117A/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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
    • 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
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G35/00—Compounds of tantalum
    • 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
    • C22B30/00—Obtaining antimony, arsenic or bismuth
    • C22B30/02—Obtaining antimony
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR9703117A 1996-05-13 1997-05-12 Processo para a remoção de antimônio de soluções de ácido fluorídrico que contêm ta/nb BR9703117A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19619228A DE19619228C2 (de) 1996-05-13 1996-05-13 Verfahren zur Entfernung von Antimon aus flußsauren Ta/Nb-haltigen Lösungen

Publications (1)

Publication Number Publication Date
BR9703117A true BR9703117A (pt) 1998-11-10

Family

ID=7794174

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9703117A BR9703117A (pt) 1996-05-13 1997-05-12 Processo para a remoção de antimônio de soluções de ácido fluorídrico que contêm ta/nb

Country Status (6)

Country Link
US (1) US5908489A (pt)
JP (1) JP3843165B2 (pt)
AU (1) AU717707B2 (pt)
BR (1) BR9703117A (pt)
DE (1) DE19619228C2 (pt)
IL (1) IL120816A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489918B1 (ko) * 1996-05-09 2005-08-04 어플라이드 머티어리얼스, 인코포레이티드 플라즈마발생및스퍼터링용코일

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DE2029730C3 (de) * 1970-06-16 1974-02-28 Kawecki Berylco Industries, Inc., New York, N.Y. (V.St.A.) Verfahren zur Herstellung einer konzentrierten wäßrigen Tantaloxalatlösung
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
US4518570A (en) * 1983-11-07 1985-05-21 Cabot Corporation Process for separating antimony from columbium solutions
DE4021207A1 (de) * 1990-07-03 1992-01-16 Starck Hermann C Fa Verfahren zur gewinnung und trennung von tantal und niob
DE4030707A1 (de) * 1990-09-28 1992-04-02 Starck Hermann C Fa Verfahren zur herstellung von fluoridarmen tantal-/niob-oxidhydraten bzw. oxiden

Also Published As

Publication number Publication date
AU2009497A (en) 1997-11-20
AU717707B2 (en) 2000-03-30
US5908489A (en) 1999-06-01
JP3843165B2 (ja) 2006-11-08
IL120816A0 (en) 1997-09-30
IL120816A (en) 2000-07-16
DE19619228C2 (de) 1998-10-08
DE19619228A1 (de) 1997-11-20
JPH1068029A (ja) 1998-03-10

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]