DE69400257D1 - Verfahren zur Reinigung von Pentafluorethan - Google Patents
Verfahren zur Reinigung von PentafluorethanInfo
- Publication number
- DE69400257D1 DE69400257D1 DE69400257T DE69400257T DE69400257D1 DE 69400257 D1 DE69400257 D1 DE 69400257D1 DE 69400257 T DE69400257 T DE 69400257T DE 69400257 T DE69400257 T DE 69400257T DE 69400257 D1 DE69400257 D1 DE 69400257D1
- Authority
- DE
- Germany
- Prior art keywords
- pentafluoroethane
- purification
- Prior art date
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12286993 | 1993-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69400257D1 true DE69400257D1 (de) | 1996-07-25 |
DE69400257T2 DE69400257T2 (de) | 1997-02-13 |
Family
ID=14846650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69400257T Expired - Lifetime DE69400257T2 (de) | 1993-05-25 | 1994-05-25 | Verfahren zur Reinigung von Pentafluorethan |
Country Status (10)
Country | Link |
---|---|
US (1) | US6179967B1 (de) |
EP (1) | EP0626362B1 (de) |
KR (1) | KR100333422B1 (de) |
CN (1) | CN1045288C (de) |
AU (1) | AU684757B2 (de) |
BR (1) | BR9402038A (de) |
CA (1) | CA2124282C (de) |
DE (1) | DE69400257T2 (de) |
ES (1) | ES2091069T3 (de) |
GR (1) | GR3020852T3 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69510180T2 (de) * | 1994-02-07 | 1999-11-11 | E.I. Du Pont De Nemours And Co., Wilmington | Verfahren zur trennung von pentafluorethan aus einer mischung von halogenierten kohlenwasserstoffen und chloropentafluorethan |
EP0743934B1 (de) * | 1994-02-07 | 1999-11-03 | E.I. Du Pont De Nemours And Company | Verfahren zur trennung von pentafluorethan aus einer mischung, die halogenierte kohlenwasserstoffe und chlorpentafluorethan enthält |
FR2716449B1 (fr) * | 1994-02-24 | 1996-04-05 | Atochem Elf Sa | Procédé de purification du pentafluoroéthane. |
US5470442A (en) * | 1994-03-11 | 1995-11-28 | E. I. Du Pont De Nemours And Company | Separating and removing impurities from tetrafluoroethanes by using extractive distillation |
US5723429A (en) * | 1994-03-11 | 1998-03-03 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane |
DE69520357T2 (de) * | 1994-04-08 | 2001-06-28 | Ineos Fluor Holdings Ltd., Southampton | Verfahren zur reinigung von pentafluorethan |
ES2146757T3 (es) * | 1994-08-17 | 2000-08-16 | Daikin Ind Ltd | Procedimiento para producir pentafluoroetano. |
GB9417118D0 (en) * | 1994-08-24 | 1994-10-12 | Ici Plc | Purification of pentafluoroethane |
WO1996023752A1 (en) * | 1995-02-01 | 1996-08-08 | E.I. Du Pont De Nemours And Company | SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION |
FR2730228B1 (fr) * | 1995-02-07 | 1997-06-20 | Atochem Elf Sa | Procede de purification du pentafluoroethane |
FR2752836B1 (fr) * | 1996-08-30 | 1998-10-30 | Atochem Elf Sa | Purification du pentafluoroethane |
FR2758137B1 (fr) * | 1997-01-06 | 1999-02-26 | Atochem Elf Sa | Procede de purification du pentafluoroethane par distillation extractive |
EP1003699B9 (de) * | 1997-08-12 | 2004-01-07 | E.I. Du Pont De Nemours And Company | Reinigung von difluormethan durch extraktivdestillation |
CN1120828C (zh) * | 1999-11-10 | 2003-09-10 | 浙江省化工研究院 | 五氟乙烷的提纯方法 |
IT1318505B1 (it) * | 2000-05-09 | 2003-08-27 | Ausimont Spa | Processo di purificazione del pentafluoroetano (hfc-125). |
US7060165B2 (en) | 2002-02-14 | 2006-06-13 | Pcbu Services, Inc. | Processes for purification and production of fluorocarbons |
FR2865731B1 (fr) * | 2004-01-30 | 2007-09-07 | Solvay | Procede de fabrication d'un hydrofluoroalcane |
CN100999438B (zh) * | 2007-01-04 | 2010-10-06 | 西安近代化学研究所 | 五氟乙烷的提纯方法 |
JP5477011B2 (ja) * | 2009-02-03 | 2014-04-23 | セントラル硝子株式会社 | (z)−1−クロロ−3,3,3−トリフルオロプロペンの精製方法 |
CN102596867B (zh) * | 2009-10-27 | 2014-06-11 | 昭和电工株式会社 | 含氟化合物的纯化方法 |
EP4050081A1 (de) * | 2014-09-25 | 2022-08-31 | Daikin Industries, Ltd. | Zusammensetzung mit hfc und hfo |
JP6115550B2 (ja) | 2014-11-17 | 2017-04-19 | ダイキン工業株式会社 | HFC−245cbと(E)−HFO−1234zeとを含有する組成物から両化合物を分離する方法 |
CN104557443B (zh) * | 2014-12-03 | 2016-07-06 | 嵊州领航信息科技有限公司 | 一种制备五氟乙烷的系统和方法 |
JP6930524B2 (ja) | 2016-02-26 | 2021-09-01 | Agc株式会社 | 精製1−クロロ−2,3,3,3−テトラフルオロプロペンおよび精製1−クロロ−2,3,3,3−テトラフルオロプロペン(z)の製造方法 |
CN114405041A (zh) * | 2022-02-25 | 2022-04-29 | 明士新材料有限公司 | 一种用于电子级γ-丁内酯的精馏装置及其方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442589A (en) * | 1946-03-19 | 1948-06-01 | Atomic Energy Commission | Purification of perfluoroheptane by azeotropic distillation with methyl ethyl ketone |
DE1161877B (de) * | 1960-04-28 | 1964-01-30 | Du Pont | Verfahren zur Abtrennung von Perfluorkohlenstoffen |
NL131714C (de) * | 1963-02-06 | |||
CH471760A (de) * | 1966-02-23 | 1969-04-30 | Ciba Geigy | Verfahren zur Trennung von Gemischen von aliphatischen Fluorverbindungen |
US5087329A (en) * | 1991-05-16 | 1992-02-11 | E. I. Du Pont De Nemours And Company | Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane |
JP3182869B2 (ja) * | 1992-05-18 | 2001-07-03 | ダイキン工業株式会社 | ペンタフルオロエタンとペンタフルオロクロロエタンとの共沸混合物およびペンタフルオロクロロエタンの分離方法 |
DK0574756T3 (da) * | 1992-06-13 | 1997-04-14 | Solvay | Fremgangsmåde til fjernelse af olefiniske forureninger fra fluorerede C3-C6-carbonhydrider |
US5346595A (en) * | 1993-02-23 | 1994-09-13 | Alliedsignal Inc. | Process for the purification of a pentafluoroethane azeotrope |
-
1994
- 1994-05-23 BR BR9402038A patent/BR9402038A/pt not_active IP Right Cessation
- 1994-05-23 AU AU63283/94A patent/AU684757B2/en not_active Ceased
- 1994-05-24 KR KR1019940011260A patent/KR100333422B1/ko not_active IP Right Cessation
- 1994-05-25 ES ES94108091T patent/ES2091069T3/es not_active Expired - Lifetime
- 1994-05-25 DE DE69400257T patent/DE69400257T2/de not_active Expired - Lifetime
- 1994-05-25 CN CN94105756A patent/CN1045288C/zh not_active Expired - Lifetime
- 1994-05-25 US US08/248,728 patent/US6179967B1/en not_active Expired - Lifetime
- 1994-05-25 CA CA002124282A patent/CA2124282C/en not_active Expired - Fee Related
- 1994-05-25 EP EP94108091A patent/EP0626362B1/de not_active Expired - Lifetime
-
1996
- 1996-08-22 GR GR960402209T patent/GR3020852T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
GR3020852T3 (en) | 1996-11-30 |
ES2091069T3 (es) | 1996-10-16 |
BR9402038A (pt) | 1995-03-07 |
AU684757B2 (en) | 1998-01-08 |
CA2124282A1 (en) | 1994-11-26 |
CA2124282C (en) | 2004-06-29 |
KR100333422B1 (ko) | 2003-03-04 |
EP0626362A1 (de) | 1994-11-30 |
CN1045288C (zh) | 1999-09-29 |
AU6328394A (en) | 1994-12-01 |
CN1098710A (zh) | 1995-02-15 |
US6179967B1 (en) | 2001-01-30 |
EP0626362B1 (de) | 1996-06-19 |
DE69400257T2 (de) | 1997-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |