CS202542B2 - Method for the continuous separation of zirconium tetrachloride and hafnium tetrachloride mixtures - Google Patents
Method for the continuous separation of zirconium tetrachloride and hafnium tetrachloride mixtures Download PDFInfo
- Publication number
- CS202542B2 CS202542B2 CS747661A CS766174A CS202542B2 CS 202542 B2 CS202542 B2 CS 202542B2 CS 747661 A CS747661 A CS 747661A CS 766174 A CS766174 A CS 766174A CS 202542 B2 CS202542 B2 CS 202542B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- chloride
- hafnium
- zirconium
- vapors
- solvent
- Prior art date
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7340395A FR2250707B1 (it) | 1973-11-14 | 1973-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS202542B2 true CS202542B2 (en) | 1981-01-30 |
Family
ID=9127691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS747661A CS202542B2 (en) | 1973-11-14 | 1974-11-11 | Method for the continuous separation of zirconium tetrachloride and hafnium tetrachloride mixtures |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5320279B2 (it) |
| CA (1) | CA1033537A (it) |
| CS (1) | CS202542B2 (it) |
| DD (1) | DD115096A5 (it) |
| DE (1) | DE2453864C3 (it) |
| ES (1) | ES431944A1 (it) |
| FR (1) | FR2250707B1 (it) |
| GB (1) | GB1442229A (it) |
| IT (1) | IT1025618B (it) |
| SE (1) | SE403766B (it) |
| SU (1) | SU656496A3 (it) |
| ZA (1) | ZA747275B (it) |
Families Citing this family (12)
| 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 (it) * | 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 |
-
1973
- 1973-11-14 FR FR7340395A patent/FR2250707B1/fr not_active Expired
-
1974
- 1974-11-11 CS CS747661A patent/CS202542B2/cs unknown
- 1974-11-11 SE SE7414141A patent/SE403766B/xx not_active IP Right Cessation
- 1974-11-12 JP JP13041274A patent/JPS5320279B2/ja not_active Expired
- 1974-11-12 IT IT29329/74A patent/IT1025618B/it active
- 1974-11-13 SU SU742078379A patent/SU656496A3/ru active
- 1974-11-13 ZA ZA00747275A patent/ZA747275B/xx unknown
- 1974-11-13 DE DE2453864A patent/DE2453864C3/de not_active Expired
- 1974-11-13 DD DD182329A patent/DD115096A5/xx unknown
- 1974-11-13 CA CA213,627A patent/CA1033537A/en not_active Expired
- 1974-11-14 GB GB4928374A patent/GB1442229A/en not_active Expired
- 1974-11-14 ES ES431944A patent/ES431944A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7414141L (it) | 1975-05-15 |
| JPS5089299A (it) | 1975-07-17 |
| IT1025618B (it) | 1978-08-30 |
| GB1442229A (en) | 1976-07-14 |
| ZA747275B (en) | 1976-04-28 |
| JPS5320279B2 (it) | 1978-06-26 |
| ES431944A1 (es) | 1976-10-16 |
| FR2250707B1 (it) | 1978-11-03 |
| CA1033537A (en) | 1978-06-27 |
| AU7527274A (en) | 1976-05-13 |
| SE403766B (sv) | 1978-09-04 |
| DD115096A5 (it) | 1975-09-12 |
| SU656496A3 (ru) | 1979-04-05 |
| DE2453864B2 (de) | 1978-05-11 |
| DE2453864C3 (de) | 1979-01-11 |
| DE2453864A1 (de) | 1975-05-28 |
| FR2250707A1 (it) | 1975-06-06 |
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