SU656496A3 - Способ разделени тетрахлоридов циркони и гафни - Google Patents

Способ разделени тетрахлоридов циркони и гафни

Info

Publication number
SU656496A3
SU656496A3 SU742078379A SU2078379A SU656496A3 SU 656496 A3 SU656496 A3 SU 656496A3 SU 742078379 A SU742078379 A SU 742078379A SU 2078379 A SU2078379 A SU 2078379A SU 656496 A3 SU656496 A3 SU 656496A3
Authority
SU
USSR - Soviet Union
Prior art keywords
tetrachloride
hafnium
solvent
molar ratio
chloride
Prior art date
Application number
SU742078379A
Other languages
English (en)
Russian (ru)
Inventor
Бессон Поль
Герен Жан
Брюн Пьер
Баке Мишель
Original Assignee
Южин-Асьер (Фирма)
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 Южин-Асьер (Фирма) filed Critical Южин-Асьер (Фирма)
Application granted granted Critical
Publication of SU656496A3 publication Critical patent/SU656496A3/ru

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)
  • 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)
SU742078379A 1973-11-14 1974-11-13 Способ разделени тетрахлоридов циркони и гафни SU656496A3 (ru)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SU656496A3 true SU656496A3 (ru) 1979-04-05

Family

ID=9127691

Family Applications (1)

Application Number Title Priority Date Filing Date
SU742078379A SU656496A3 (ru) 1973-11-14 1974-11-13 Способ разделени тетрахлоридов циркони и гафни

Country Status (12)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (10)

* 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 (sv) * 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.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (sv) 1975-05-15
JPS5089299A (sv) 1975-07-17
IT1025618B (it) 1978-08-30
GB1442229A (en) 1976-07-14
ZA747275B (en) 1976-04-28
JPS5320279B2 (sv) 1978-06-26
ES431944A1 (es) 1976-10-16
FR2250707B1 (sv) 1978-11-03
CA1033537A (en) 1978-06-27
AU7527274A (en) 1976-05-13
SE403766B (sv) 1978-09-04
DD115096A5 (sv) 1975-09-12
DE2453864B2 (de) 1978-05-11
DE2453864C3 (de) 1979-01-11
DE2453864A1 (de) 1975-05-28
CS202542B2 (en) 1981-01-30
FR2250707A1 (sv) 1975-06-06

Similar Documents

Publication Publication Date Title
SU656496A3 (ru) Способ разделени тетрахлоридов циркони и гафни
US4326073A (en) Production of anhydrous or substantially anhydrous formic acid
US3847756A (en) Recovery of diethyl ether from an olefin hydration product stream by extractive distillation with water
GB1180822A (en) Purification of Ethylene Oxide.
GB1037255A (en) Process and apparatus for the continuous distillation of mixtures
US4262140A (en) Production of anhydrous or substantially anhydrous formic acid
GB1058379A (en) Improvements in or relating to the purification of acrylonitrile and acetonitrile
GB1458713A (en) Process for preparing 2,6-dimethylnaphthalenes
US2589212A (en) Purification of crude ethylene dichloride
US3337423A (en) Process for recovering isophorone
ES8106878A1 (es) Procedimiento para la separacion de agua a partir de mezclascon acetato de vinilo y acido acetico
SU560519A3 (ru) Способ азеотропной дистилл ции органических многокомпонентных смесей
GB1359950A (en) Process for purifying chlorinated organic compounds
US5380405A (en) Separation of alpha-phellandrene from 3-carene by azeotropic distillation
GB1340903A (en) Method of purifying uranium hexafluoride
US3478093A (en) Separation of methacrylic acid and acrylic acid
US3012948A (en) Dehydration of methylhydrazine
US4017482A (en) Method of purifying caprolactam
US2745868A (en) Process for the production of trichloroacetonitrile
US3454645A (en) Method of preparing ethylenediamine
US3488386A (en) Process for recovering acetic acid
US3031515A (en) Process for purifying isoprenes
GB1283028A (en) Process for the production of vinyl chloride from 0,2-dichloroethane
GB719911A (en) Purifying acrylonitrile by extractive distillation
GB1377322A (en) Process for preparing trifluoroacetic acid