ES431944A1 - Procedimiento para la separacion en conjunto de tetracloru-ros de zirconio y de hafnio. - Google Patents

Procedimiento para la separacion en conjunto de tetracloru-ros de zirconio y de hafnio.

Info

Publication number
ES431944A1
ES431944A1 ES431944A ES431944A ES431944A1 ES 431944 A1 ES431944 A1 ES 431944A1 ES 431944 A ES431944 A ES 431944A ES 431944 A ES431944 A ES 431944A ES 431944 A1 ES431944 A1 ES 431944A1
Authority
ES
Spain
Prior art keywords
vapors
pressure
chloride
alkali
solvent
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES431944A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ugine Aciers SA
Original Assignee
Ugine Aciers SA
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 Ugine Aciers SA filed Critical Ugine Aciers SA
Publication of ES431944A1 publication Critical patent/ES431944A1/es
Expired legal-status Critical Current

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
    • C22B34/10Obtaining titanium, zirconium or hafnium
    • C22B34/14Obtaining zirconium or hafnium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • C01G25/04Halides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G27/00Compounds of hafnium
    • C01G27/04Halides

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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Glass Compositions (AREA)
ES431944A 1973-11-14 1974-11-14 Procedimiento para la separacion en conjunto de tetracloru-ros de zirconio y de hafnio. Expired ES431944A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7340395A FR2250707B1 (ru) 1973-11-14 1973-11-14

Publications (1)

Publication Number Publication Date
ES431944A1 true ES431944A1 (es) 1976-10-16

Family

ID=9127691

Family Applications (1)

Application Number Title Priority Date Filing Date
ES431944A Expired ES431944A1 (es) 1973-11-14 1974-11-14 Procedimiento para la separacion en conjunto de tetracloru-ros de zirconio y de hafnio.

Country Status (12)

Country Link
JP (1) JPS5320279B2 (ru)
CA (1) CA1033537A (ru)
CS (1) CS202542B2 (ru)
DD (1) DD115096A5 (ru)
DE (1) DE2453864C3 (ru)
ES (1) ES431944A1 (ru)
FR (1) FR2250707B1 (ru)
GB (1) GB1442229A (ru)
IT (1) IT1025618B (ru)
SE (1) SE403766B (ru)
SU (1) SU656496A3 (ru)
ZA (1) ZA747275B (ru)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072506A (en) * 1975-10-17 1978-02-07 Teledyne Industries, Inc. Method of separating hafnium from zirconium
JPS56154327U (ru) * 1980-04-19 1981-11-18
FR2543162A1 (fr) * 1983-03-24 1984-09-28 Cezus Co Europ Zirconium Procede de separation de zrcl4 d'avec hfcl4 par distillation extractive permettant d'eliminer l'aluminium apporte par le solvant
US4913778A (en) * 1989-01-02 1990-04-03 Westinghouse Electric Corp. Molten salt scrubbing of zirconium or hafnium tetrachloride
FR2813877B1 (fr) 2000-09-11 2002-12-06 Cezus Cie Europ Du Zirconium Procede de separation de metaux tels que le zirconium et l'hafnium
FR2823740B1 (fr) * 2001-04-18 2004-02-06 Cezus Co Europ Zirconium Procede de separation des tetrachlorures de zirconium et de hafnium
JP4562169B2 (ja) * 2004-04-12 2010-10-13 株式会社高純度化学研究所 Hf系酸化物ゲート絶縁膜のプリカーサーの精製方法
FR2872811B1 (fr) * 2004-07-09 2006-10-06 Cie Europ Du Zirconium Cezus S Procede de separation et purification du hafnium et du zirconium
FR2963339B1 (fr) 2010-08-02 2012-09-14 Centre Nat Rech Scient Procede de separation des tetrachlorures de zirconium et d'hafnium de leurs melanges
RU2567430C2 (ru) * 2013-12-04 2015-11-10 Открытое акционерное общество "Чепецкий механический завод" (ОАО ЧМЗ) Способ коррозионной защиты оборудования, работающего в среде расплава хлоралюмината калия.
RU2689744C1 (ru) * 2018-02-13 2019-05-28 Акционерное общество "Чепецкий механический завод" Способ очистки смеси тетрахлоридов циркония и гафния от примесей
RU2745521C1 (ru) * 2020-09-11 2021-03-25 Акционерное общество "Чепецкий механический завод" Способ повышения эффективности ректификационного разделения тетрахлоридов циркония и гафния

Also Published As

Publication number Publication date
SE7414141L (ru) 1975-05-15
JPS5089299A (ru) 1975-07-17
IT1025618B (it) 1978-08-30
GB1442229A (en) 1976-07-14
ZA747275B (en) 1976-04-28
JPS5320279B2 (ru) 1978-06-26
FR2250707B1 (ru) 1978-11-03
CA1033537A (en) 1978-06-27
AU7527274A (en) 1976-05-13
SE403766B (sv) 1978-09-04
DD115096A5 (ru) 1975-09-12
SU656496A3 (ru) 1979-04-05
DE2453864B2 (de) 1978-05-11
DE2453864C3 (de) 1979-01-11
DE2453864A1 (de) 1975-05-28
CS202542B2 (en) 1981-01-30
FR2250707A1 (ru) 1975-06-06

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