DE69510119T2 - Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff - Google Patents
Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit FluorwasserstoffInfo
- Publication number
- DE69510119T2 DE69510119T2 DE69510119T DE69510119T DE69510119T2 DE 69510119 T2 DE69510119 T2 DE 69510119T2 DE 69510119 T DE69510119 T DE 69510119T DE 69510119 T DE69510119 T DE 69510119T DE 69510119 T2 DE69510119 T2 DE 69510119T2
- Authority
- DE
- Germany
- Prior art keywords
- difluoroethane
- mixtures
- separation
- hydrogen fluoride
- fluoride
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
- C01B7/196—Separation; Purification by distillation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9404354A FR2718437B1 (fr) | 1994-04-11 | 1994-04-11 | Procédé de séparation du 1,1-difluoroéthane de ses mélanges avec le fluorure d'hydrogène. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69510119D1 DE69510119D1 (de) | 1999-07-15 |
DE69510119T2 true DE69510119T2 (de) | 1999-12-23 |
Family
ID=9462036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69510119T Expired - Fee Related DE69510119T2 (de) | 1994-04-11 | 1995-03-30 | Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff |
Country Status (6)
Country | Link |
---|---|
US (1) | US5626725A (de) |
EP (1) | EP0676386B1 (de) |
JP (1) | JP3766117B2 (de) |
DE (1) | DE69510119T2 (de) |
ES (1) | ES2134996T3 (de) |
FR (1) | FR2718437B1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3163831B2 (ja) * | 1993-04-06 | 2001-05-08 | ダイキン工業株式会社 | 1,1−ジフルオロエタンとフッ化水素の共沸混合物および1,1−ジフルオロエタンまたはフッ化水素の回収方法 |
JP3873289B2 (ja) * | 1994-10-07 | 2007-01-24 | ダイキン工業株式会社 | ペンタフルオロエタンの分離方法およびそれを利用するペンタフルオロエタンの製造方法 |
US5789633A (en) * | 1995-06-06 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes |
US5672788A (en) * | 1995-06-07 | 1997-09-30 | E. I. Du Pont De Nemours And Company | Two-step process for manufacturing 1,1-difluoroethane |
US5714650A (en) * | 1995-06-07 | 1998-02-03 | E. I. Du Pont De Nemours And Company | Continuous manufacture of 1,1-difluoroethane |
US6755942B1 (en) | 1995-08-01 | 2004-06-29 | E. I. Du Pont De Nemours And Company | Process for the manufacture of halocarbons and selected compounds and azeotropes with HF |
KR100517576B1 (ko) | 1995-08-01 | 2005-12-21 | 이.아이,듀우판드네모아앤드캄파니 | 할로카본의제조방법,선택된화합물및hf함유공비조성물 |
US5866728A (en) * | 1996-01-05 | 1999-02-02 | E. I. Dupont De Nemours And Company | Use of alkali metal halides in the manufacture of 1, 1-difluoroethane |
JP2933014B2 (ja) * | 1996-01-23 | 1999-08-09 | ダイキン工業株式会社 | ペンタフルオロプロパンとフッ化水素の共沸混合物およびペンタフルオロプロパンの分離精製方法 |
EP1428811B1 (de) * | 1997-02-19 | 2011-04-20 | E.I. Du Pont De Nemours And Company | Azeotropische Zusammensetzungen enthaltend 1,1,1,2,3,3,3-Heptafluorpropan und Verfahren, die diese Zusammensetzungen verwenden |
EP2269970A1 (de) * | 1997-02-19 | 2011-01-05 | E. I. du Pont de Nemours and Company | Azeotropische Zusammensetzungen enthaltend 1,1,1,2,3,3,3-Heptafluorpropan und Verfahren, die diese Zusammensetzungen verwenden |
US6376727B1 (en) | 1997-06-16 | 2002-04-23 | E. I. Du Pont De Nemours And Company | Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof |
FR2771737B1 (fr) * | 1997-12-01 | 2000-02-04 | Solvay | Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu |
FR2791976B1 (fr) * | 1999-03-24 | 2001-07-27 | Solvay | Compositions contenant du fluorure d'hydrogene et du 1,1,1,3,3-pentafluorobutane, procede pour la separation de melanges comprenant de telles compositions et procede pour la synthese de 1,1,1,3,3-pentafluorobutane |
US6673264B2 (en) * | 2001-06-01 | 2004-01-06 | Honeywell International Inc. | Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride |
WO2005044765A2 (en) * | 2003-11-10 | 2005-05-19 | Showa Denko K.K. | Purification method of, 1, 1-difluoroethane |
RU2614442C1 (ru) * | 2016-04-22 | 2017-03-28 | Общество с ограниченной ответственностью "ГалоПолимер Кирово-Чепецк" | Способ получения 1,1-дифторэтана |
CN114515284A (zh) * | 2016-09-19 | 2022-05-20 | 墨西哥氟石股份公司 | 药物组合物 |
CN112608216B (zh) * | 2020-11-23 | 2022-01-21 | 浙江衢化氟化学有限公司 | 一种联产1,1-二氟乙烷和氯乙烯的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4021312A (en) * | 1975-10-15 | 1977-05-03 | Phillips Petroleum Company | Process to separate ethyl fluoride and HF |
CN1037600C (zh) * | 1992-01-15 | 1998-03-04 | 浙江省化工研究院 | 1,1-二氟乙烷的改进分离提纯方法 |
JP3163831B2 (ja) * | 1993-04-06 | 2001-05-08 | ダイキン工業株式会社 | 1,1−ジフルオロエタンとフッ化水素の共沸混合物および1,1−ジフルオロエタンまたはフッ化水素の回収方法 |
-
1994
- 1994-04-11 FR FR9404354A patent/FR2718437B1/fr not_active Expired - Fee Related
-
1995
- 1995-03-30 ES ES95200801T patent/ES2134996T3/es not_active Expired - Lifetime
- 1995-03-30 DE DE69510119T patent/DE69510119T2/de not_active Expired - Fee Related
- 1995-03-30 EP EP95200801A patent/EP0676386B1/de not_active Expired - Lifetime
- 1995-04-10 US US08/419,557 patent/US5626725A/en not_active Expired - Fee Related
- 1995-04-11 JP JP08510295A patent/JP3766117B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69510119D1 (de) | 1999-07-15 |
FR2718437B1 (fr) | 1996-06-28 |
ES2134996T3 (es) | 1999-10-16 |
EP0676386B1 (de) | 1999-06-09 |
US5626725A (en) | 1997-05-06 |
JP3766117B2 (ja) | 2006-04-12 |
JPH07278024A (ja) | 1995-10-24 |
EP0676386A1 (de) | 1995-10-11 |
FR2718437A1 (fr) | 1995-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |