ZA842175B - Method of separating zrcl4 from hfcl4 by extractive distillation which allows the aluminum added by the solvent to be eliminated - Google Patents
Method of separating zrcl4 from hfcl4 by extractive distillation which allows the aluminum added by the solvent to be eliminatedInfo
- Publication number
- ZA842175B ZA842175B ZA842175A ZA842175A ZA842175B ZA 842175 B ZA842175 B ZA 842175B ZA 842175 A ZA842175 A ZA 842175A ZA 842175 A ZA842175 A ZA 842175A ZA 842175 B ZA842175 B ZA 842175B
- Authority
- ZA
- South Africa
- Prior art keywords
- hfcl4
- zrcl4
- eliminated
- separating
- solvent
- Prior art date
Links
Classifications
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/146—Perfluorocarbons [PFC]; Hydrofluorocarbons [HFC]; Sulfur hexafluoride [SF6]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8305171A FR2543162A1 (fr) | 1983-03-24 | 1983-03-24 | Procede de separation de zrcl4 d'avec hfcl4 par distillation extractive permettant d'eliminer l'aluminium apporte par le solvant |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA842175B true ZA842175B (en) | 1984-10-31 |
Family
ID=9287352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA842175A ZA842175B (en) | 1983-03-24 | 1984-03-23 | Method of separating zrcl4 from hfcl4 by extractive distillation which allows the aluminum added by the solvent to be eliminated |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0123634A1 (xx) |
JP (1) | JPS59184732A (xx) |
FR (1) | FR2543162A1 (xx) |
ZA (1) | ZA842175B (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4737244A (en) * | 1986-12-18 | 1988-04-12 | Westinghouse Electric Corp. | Zirconium and hafnium tetrachloride separation by extractive distillation with molten zinc chloride lead chloride solvent |
US4749448A (en) * | 1986-12-18 | 1988-06-07 | Westinghouse Electric Corp. | Zirconium and hafnium tetrachloride separation by extractive distillation with molten zinc chloride calcium and/or magnesium chloride solvent |
FR2629360B1 (fr) * | 1988-03-31 | 1991-01-11 | Cezus Co Europ Zirconium | Procede et dispositif d'introduction de tetrachlorure de zirconium, de tetrachlorure de hafnium et de leurs melanges dans une colonne de distillation extractive en continu et sous pression desdits chlorures |
US4865693A (en) * | 1988-09-12 | 1989-09-12 | Westinghouse Electric Corp. | Preparation of complexes of zirconium and hafnium tetrachlorides with phosphorus oxychloride |
US4865696A (en) * | 1988-09-12 | 1989-09-12 | Westinghouse Electric Corp. | Recovery of metal chlorides from their complexes by molten salt displacement |
US4865695A (en) * | 1988-09-12 | 1989-09-12 | Westinghouse Electric Corp. | Preparation of complexes of zirconium and hafnium tetrachlorides with phosphorus oxychloride |
US4874475A (en) * | 1988-09-12 | 1989-10-17 | Westinghouse Electric Corp. | Molten salt extractive distillation process for zirconium-hafnium separation |
US4865694A (en) * | 1988-09-12 | 1989-09-12 | Westinghouse Electric Corp. | Electrochemical decomposition of complexes of zirconium or hafnium |
US4913778A (en) * | 1989-01-02 | 1990-04-03 | Westinghouse Electric Corp. | Molten salt scrubbing of zirconium or hafnium tetrachloride |
FR2823740B1 (fr) | 2001-04-18 | 2004-02-06 | Cezus Co Europ Zirconium | Procede de separation des tetrachlorures de zirconium et de hafnium |
FR2876369B1 (fr) * | 2004-10-11 | 2006-12-22 | Cie Europ Du Zirconium Cezus S | Procede de separation du zirconium et du hafnium |
RU2457265C2 (ru) * | 2010-02-24 | 2012-07-27 | Александр Сергеевич Буйновский | Способ очистки циркония от гафния |
RU2538890C1 (ru) * | 2013-09-06 | 2015-01-10 | Открытое акционерное общество "Ведущий научно-исследовательский институт химической технологии" | Способ разделения тетрахлоридов циркония и гафния экстрактивной ректификацией |
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. |
CN107723472A (zh) * | 2017-12-06 | 2018-02-23 | 湖南工业大学 | 一种小型间歇式还原蒸馏装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2744060A (en) * | 1952-10-09 | 1956-05-01 | Du Pont | Process for separating hafnium tetrachloride from zirconium tetrachloride |
US2916362A (en) * | 1954-04-16 | 1959-12-08 | Nat Lead Co | Purification of zirconium tetrachloride |
FR1222447A (fr) * | 1957-07-26 | 1960-06-09 | Nat Distillers Chem Corp | Procédé nouveau de purification des halogénures de zirconium |
US3053620A (en) * | 1958-02-12 | 1962-09-11 | Nat Distillers Chem Corp | Purification method for metal halides |
US3098722A (en) * | 1959-01-16 | 1963-07-23 | Nat Distillers Chem Corp | Purification of metal halides |
JPS5025413B1 (xx) * | 1969-01-11 | 1975-08-23 | ||
FR2250707B1 (xx) * | 1973-11-14 | 1978-11-03 | Ugine Aciers | |
CA1171664A (en) * | 1980-07-30 | 1984-07-31 | Hiroshi Ishizuka | Process for separation of zirconium- and hafnium tetrachlorides from a mixture comprising such chlorides and apparatus therefor |
-
1983
- 1983-03-24 FR FR8305171A patent/FR2543162A1/fr active Pending
-
1984
- 1984-03-22 JP JP59055214A patent/JPS59184732A/ja active Pending
- 1984-03-22 EP EP84420056A patent/EP0123634A1/fr not_active Withdrawn
- 1984-03-23 ZA ZA842175A patent/ZA842175B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2543162A1 (fr) | 1984-09-28 |
EP0123634A1 (fr) | 1984-10-31 |
JPS59184732A (ja) | 1984-10-20 |
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