FR2250707B1 - - Google Patents

Info

Publication number
FR2250707B1
FR2250707B1 FR7340395A FR7340395A FR2250707B1 FR 2250707 B1 FR2250707 B1 FR 2250707B1 FR 7340395 A FR7340395 A FR 7340395A FR 7340395 A FR7340395 A FR 7340395A FR 2250707 B1 FR2250707 B1 FR 2250707B1
Authority
FR
France
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
FR7340395A
Other languages
French (fr)
Other versions
FR2250707A1 (en
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
Original Assignee
Ugine Aciers
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 filed Critical Ugine Aciers
Priority to FR7340395A priority Critical patent/FR2250707B1/fr
Priority to SE7414141A priority patent/SE403766B/en
Priority to CS747661A priority patent/CS202542B2/en
Priority to AU75272/74A priority patent/AU490883B2/en
Priority to JP13041274A priority patent/JPS5320279B2/ja
Priority to IT29329/74A priority patent/IT1025618B/en
Priority to CA213,627A priority patent/CA1033537A/en
Priority to ZA00747275A priority patent/ZA747275B/en
Priority to DD182329A priority patent/DD115096A5/xx
Priority to DE2453864A priority patent/DE2453864C3/en
Priority to SU742078379A priority patent/SU656496A3/en
Priority to ES431944A priority patent/ES431944A1/en
Priority to GB4928374A priority patent/GB1442229A/en
Publication of FR2250707A1 publication Critical patent/FR2250707A1/fr
Priority to US05/677,277 priority patent/US4021531A/en
Application granted granted Critical
Publication of FR2250707B1 publication Critical patent/FR2250707B1/fr
Expired legal-status Critical Current

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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/04—Halides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G27/00—Compounds of hafnium
    • C01G27/04—Halides

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)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Glass Compositions (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
FR7340395A 1973-11-14 1973-11-14 Expired FR2250707B1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
FR7340395A FR2250707B1 (en) 1973-11-14 1973-11-14
SE7414141A SE403766B (en) 1973-11-14 1974-11-11 PROCEDURE FOR CONTINUOUS SEPARATION OF ZIRCONIUM AND HAFNIUM TETCHLORIDES FROM THEIR MIXTURES
CS747661A CS202542B2 (en) 1973-11-14 1974-11-11 Method for the continuous separation of zirconium tetrachloride and hafnium tetrachloride mixtures
JP13041274A JPS5320279B2 (en) 1973-11-14 1974-11-12
IT29329/74A IT1025618B (en) 1973-11-14 1974-11-12 PROCEDURE FOR THE SEPARATION OF THE ZIRCONIUM AND AENIUM TE TRACHLORIDE FROM THEIR NISOEL
AU75272/74A AU490883B2 (en) 1973-11-14 1974-11-12 Process forthe separation of zirconium and hafnium tetrachlorides from mixtures thereof
CA213,627A CA1033537A (en) 1973-11-14 1974-11-13 Separation process of zirconium and hafnium tetrachlorides and their mixtures
ZA00747275A ZA747275B (en) 1973-11-14 1974-11-13 Process for the separation of zirconium and hafnium tetrachlorides from mixtures thereof
DD182329A DD115096A5 (en) 1973-11-14 1974-11-13
DE2453864A DE2453864C3 (en) 1973-11-14 1974-11-13 Continuous process for the separation of mixtures of zirconium tetrachloride and hafnium tetrachloride
SU742078379A SU656496A3 (en) 1973-11-14 1974-11-13 Method of separating zirconium and hafnium tetrachlorides
ES431944A ES431944A1 (en) 1973-11-14 1974-11-14 Process for separating zirconium and hafnium tetrachlorides
GB4928374A GB1442229A (en) 1973-11-14 1974-11-14 Process for separating zirconium and hafnium tetrachlorides
US05/677,277 US4021531A (en) 1973-11-14 1976-04-15 Process for the separation of zirconium and hafnium tetrachlorides from mixtures thereof

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2250707A1 FR2250707A1 (en) 1975-06-06
FR2250707B1 true FR2250707B1 (en) 1978-11-03

Family

ID=9127691

Family Applications (1)

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

Country Status (12)

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

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 (en) * 1980-04-19 1981-11-18
FR2543162A1 (en) * 1983-03-24 1984-09-28 Cezus Co Europ Zirconium PROCESS FOR SEPARATING ZRCL4 FROM HFCL4 BY EXTRACTIVE DISTILLATION FOR REMOVING ALUMINUM FROM THE SOLVENT
US4913778A (en) * 1989-01-02 1990-04-03 Westinghouse Electric Corp. Molten salt scrubbing of zirconium or hafnium tetrachloride
FR2813877B1 (en) 2000-09-11 2002-12-06 Cezus Cie Europ Du Zirconium PROCESS FOR SEPARATING METALS SUCH AS ZIRCONIUM AND HAFNIUM
FR2823740B1 (en) * 2001-04-18 2004-02-06 Cezus Co Europ Zirconium PROCESS FOR SEPARATING ZIRCONIUM AND HAFNIUM TETRACHLORIDES
JP4562169B2 (en) * 2004-04-12 2010-10-13 株式会社高純度化学研究所 Hf-based oxide gate insulating film precursor purification method
FR2872811B1 (en) * 2004-07-09 2006-10-06 Cie Europ Du Zirconium Cezus S PROCESS FOR SEPARATING AND PURIFYING HAFNIUM AND ZIRCONIUM
FR2963339B1 (en) * 2010-08-02 2012-09-14 Centre Nat Rech Scient PROCESS FOR SEPARATING ZIRCONIUM AND HAFNIUM TETRACHLORIDES FROM THEIR MIXTURES
RU2567430C2 (en) * 2013-12-04 2015-11-10 Открытое акционерное общество "Чепецкий механический завод" (ОАО ЧМЗ) Method for corrosion protection of equipment operating in molten potassium chloroaluminate medium
RU2689744C1 (en) * 2018-02-13 2019-05-28 Акционерное общество "Чепецкий механический завод" Method of cleaning mixture of zirconium and hafnium tetrachlorides from impurities
RU2745521C1 (en) * 2020-09-11 2021-03-25 Акционерное общество "Чепецкий механический завод" Method for increasing the efficiency of rectification separation of zirconium and hafnium tetrachlorides

Also Published As

Publication number Publication date
JPS5320279B2 (en) 1978-06-26
ZA747275B (en) 1976-04-28
GB1442229A (en) 1976-07-14
ES431944A1 (en) 1976-10-16
SU656496A3 (en) 1979-04-05
SE7414141L (en) 1975-05-15
DD115096A5 (en) 1975-09-12
DE2453864A1 (en) 1975-05-28
JPS5089299A (en) 1975-07-17
SE403766B (en) 1978-09-04
FR2250707A1 (en) 1975-06-06
AU7527274A (en) 1976-05-13
DE2453864C3 (en) 1979-01-11
CA1033537A (en) 1978-06-27
IT1025618B (en) 1978-08-30
DE2453864B2 (en) 1978-05-11
CS202542B2 (en) 1981-01-30

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Legal Events

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TP Transmission of property