SE7414141L - - Google Patents
Info
- Publication number
- SE7414141L SE7414141L SE7414141A SE7414141A SE7414141L SE 7414141 L SE7414141 L SE 7414141L SE 7414141 A SE7414141 A SE 7414141A SE 7414141 A SE7414141 A SE 7414141A SE 7414141 L SE7414141 L SE 7414141L
- Authority
- SE
- Sweden
- Prior art keywords
- alkali metal
- chloride
- alkali
- fecl
- nov
- Prior art date
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- 229910007926 ZrCl Inorganic materials 0.000 abstract 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 abstract 1
- -1 alkali metal chloroformate Chemical class 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- PDPJQWYGJJBYLF-UHFFFAOYSA-J hafnium tetrachloride Chemical class Cl[Hf](Cl)(Cl)Cl PDPJQWYGJJBYLF-UHFFFAOYSA-J 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
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)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (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 (enrdf_load_html_response) | 1973-11-14 | 1973-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7414141L true SE7414141L (enrdf_load_html_response) | 1975-05-15 |
| SE403766B SE403766B (sv) | 1978-09-04 |
Family
ID=9127691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7414141A SE403766B (sv) | 1973-11-14 | 1974-11-11 | Forfarande for kontinuerlig separation av zirkonium- och hafniumtetraklorider fran blandningar derav |
Country Status (12)
Families Citing this family (14)
| 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 (enrdf_load_html_response) * | 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 |
| RU2329951C2 (ru) * | 2006-07-12 | 2008-07-27 | Лев Александрович Нисельсон | Способ разделения тетрахлоридов циркония и гафния ректификацией |
| RU2431700C1 (ru) * | 2010-06-21 | 2011-10-20 | Учреждение Российской академии наук Институт высокотемпературной электрохимии Уральского отделения РАН | Способ приготовления расплава хлоралюмината калия для разделения хлоридов циркония и гафния |
| 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 SE SE7414141A patent/SE403766B/xx not_active IP Right Cessation
- 1974-11-11 CS CS747661A patent/CS202542B2/cs unknown
- 1974-11-12 IT IT29329/74A patent/IT1025618B/it active
- 1974-11-12 JP JP13041274A patent/JPS5320279B2/ja not_active Expired
- 1974-11-13 DD DD182329A patent/DD115096A5/xx unknown
- 1974-11-13 DE DE2453864A patent/DE2453864C3/de not_active Expired
- 1974-11-13 ZA ZA00747275A patent/ZA747275B/xx unknown
- 1974-11-13 SU SU742078379A patent/SU656496A3/ru active
- 1974-11-13 CA CA213,627A patent/CA1033537A/en not_active Expired
- 1974-11-14 ES ES431944A patent/ES431944A1/es not_active Expired
- 1974-11-14 GB GB4928374A patent/GB1442229A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE403766B (sv) | 1978-09-04 |
| DD115096A5 (enrdf_load_html_response) | 1975-09-12 |
| DE2453864B2 (de) | 1978-05-11 |
| JPS5089299A (enrdf_load_html_response) | 1975-07-17 |
| DE2453864A1 (de) | 1975-05-28 |
| DE2453864C3 (de) | 1979-01-11 |
| GB1442229A (en) | 1976-07-14 |
| AU7527274A (en) | 1976-05-13 |
| FR2250707A1 (enrdf_load_html_response) | 1975-06-06 |
| ES431944A1 (es) | 1976-10-16 |
| JPS5320279B2 (enrdf_load_html_response) | 1978-06-26 |
| IT1025618B (it) | 1978-08-30 |
| CS202542B2 (en) | 1981-01-30 |
| SU656496A3 (ru) | 1979-04-05 |
| CA1033537A (en) | 1978-06-27 |
| FR2250707B1 (enrdf_load_html_response) | 1978-11-03 |
| ZA747275B (en) | 1976-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7414141-7 Effective date: 19941210 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 7414141-7 Format of ref document f/p: F |