DE69303682D1 - Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Gemischen mit 1,1,1-Trifluor-2-chlorethan - Google Patents
Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Gemischen mit 1,1,1-Trifluor-2-chlorethanInfo
- Publication number
- DE69303682D1 DE69303682D1 DE69303682T DE69303682T DE69303682D1 DE 69303682 D1 DE69303682 D1 DE 69303682D1 DE 69303682 T DE69303682 T DE 69303682T DE 69303682 T DE69303682 T DE 69303682T DE 69303682 D1 DE69303682 D1 DE 69303682D1
- Authority
- DE
- Germany
- Prior art keywords
- chloroethane
- trifluoro
- mixtures
- separation
- hydrogen 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 - 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
-
- 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
-
- 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
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 |
---|---|---|---|
FR9210811A FR2695386B1 (fr) | 1992-09-10 | 1992-09-10 | Procédé de séparation de fluorure d'hydrogène de ses mélanges avec le 1,1,1-trifluoro-2-chloroéthane. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69303682D1 true DE69303682D1 (de) | 1996-08-22 |
DE69303682T2 DE69303682T2 (de) | 1997-01-23 |
Family
ID=9433383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69303682T Expired - Lifetime DE69303682T2 (de) | 1992-09-10 | 1993-08-24 | Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Gemischen mit 1,1,1-Trifluor-2-chlorethan |
Country Status (7)
Country | Link |
---|---|
US (1) | US5426254A (de) |
EP (1) | EP0588676B1 (de) |
JP (1) | JP2509144B2 (de) |
CA (1) | CA2104656C (de) |
DE (1) | DE69303682T2 (de) |
ES (1) | ES2089757T3 (de) |
FR (1) | FR2695386B1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5716320A (en) * | 1994-10-31 | 1998-02-10 | Buttermore; William J. | Illuminated intraocular surgical instrument |
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 |
US5948381A (en) * | 1996-07-03 | 1999-09-07 | Alliedsignal Inc. | Process for separating fluorocarbon compounds |
US5895639A (en) * | 1996-07-03 | 1999-04-20 | Alliedsignal Inc. | Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid |
WO1998008789A1 (fr) * | 1996-08-27 | 1998-03-05 | Daikin Industries, Ltd. | Procede de fabrication de difluoromethane |
FR2768717B1 (fr) * | 1997-09-24 | 1999-11-12 | Solvay | Procede de separation de fluorure d'hydrogene de ses melanges avec un hydrofluoroalcane contenant de 3 a 6 atomes de carbone |
ES2181347T3 (es) * | 1998-09-10 | 2003-02-16 | Basf Ag | Procedimiento para la separacion de impurezas de 3-(2'-acetoxietil)-dihidro-2(3h)furanona. |
US6673264B2 (en) | 2001-06-01 | 2004-01-06 | Honeywell International Inc. | Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride |
US7371363B2 (en) * | 2003-07-15 | 2008-05-13 | Honeywell International Inc. | Methods of purifying hydrogen fluoride |
US7608574B2 (en) * | 2006-08-17 | 2009-10-27 | Honeywell International Inc. | Azeotropic or azeotropic-like compositions of 1,1,1-trifuoroethane and 1-chloro-2,2,2-trifluoroethane |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2414475A1 (fr) * | 1978-01-13 | 1979-08-10 | Solvay | Procede pour la separation du fluorure d'hydrogene de ses melanges avec le 1-chloro-1, 1-difluorethane |
US4911792A (en) * | 1988-08-01 | 1990-03-27 | E. I. Du Pont De Nemours And Company | Process for the separation of HF via phase separation and distillation |
FR2675496B1 (fr) * | 1991-04-17 | 1993-09-03 | Atochem | Procede de separation du fluorure d'hydrogene de ses melanges avec le 1,1,1-trifluoro-2-chloroethane. |
CA2082844A1 (en) * | 1991-11-15 | 1993-05-16 | Wolfgang Dukat | Process for the separation of a mixture containing hydrogen fluoride and 1-chloro-2,2,2-trifluoroethane |
-
1992
- 1992-09-10 FR FR9210811A patent/FR2695386B1/fr not_active Expired - Fee Related
-
1993
- 1993-08-23 CA CA002104656A patent/CA2104656C/fr not_active Expired - Lifetime
- 1993-08-24 DE DE69303682T patent/DE69303682T2/de not_active Expired - Lifetime
- 1993-08-24 EP EP93402086A patent/EP0588676B1/de not_active Expired - Lifetime
- 1993-08-24 ES ES93402086T patent/ES2089757T3/es not_active Expired - Lifetime
- 1993-09-08 JP JP5223270A patent/JP2509144B2/ja not_active Expired - Fee Related
- 1993-09-10 US US08/118,846 patent/US5426254A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69303682T2 (de) | 1997-01-23 |
JPH06172228A (ja) | 1994-06-21 |
ES2089757T3 (es) | 1996-10-01 |
EP0588676B1 (de) | 1996-07-17 |
FR2695386A1 (fr) | 1994-03-11 |
CA2104656A1 (fr) | 1994-03-11 |
JP2509144B2 (ja) | 1996-06-19 |
EP0588676A1 (de) | 1994-03-23 |
CA2104656C (fr) | 1997-02-18 |
FR2695386B1 (fr) | 1994-10-14 |
US5426254A (en) | 1995-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69116623D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69510119D1 (de) | Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff | |
DE69521522D1 (de) | Verfahren zur rückgewinnung von wasserfreiem chlorwasserstoff aus mischungen mit nichtkondensierbaren gasen | |
DE69431853D1 (de) | Verfahren zur Herstellung von 1,1,3,3,3-Pentafluorpropen | |
DE69837514D1 (de) | Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Mischungen mit einem Fluorkohlenwasserstoff die 3 bis 6 Kohlenstoffatome enthält | |
DE68912114D1 (de) | Verfahren zur Trennung von 1,1-Dichlor-1-fluorethan und 1,1,1,3,3-Pentafluorbutan. | |
DE69003423D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan. | |
DE69004229D1 (de) | Verfahren zur Reinigung von 1,1-Dichlor-1-fluorethan. | |
DE69303682D1 (de) | Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Gemischen mit 1,1,1-Trifluor-2-chlorethan | |
DE59401009D1 (de) | Verfahren zur Herstellung von 1,1,1,3,3-Pentafluorpropan | |
DE69500938D1 (de) | Verfahren zur Trennung von Fluorwasserstoff und Difluormethan | |
DE69433800D1 (de) | Verfahren zur Kristallisierung von 2,6-Dimethylnaphthalen | |
DE69308267D1 (de) | Verfahren zur Zurückgewinnung von HF aus Kohlenwassersstoffströmen | |
DE69004230D1 (de) | Verfahren zur Abscheidung von Vinylidenchlorid aus 1,1-Dichlor-1-fluorethan. | |
DE69304638D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69300901D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan. | |
DE69213771D1 (de) | Verfahren zur Reinigung von 1,1,1-Trifluoro-2-Chlorethan | |
DE59409225D1 (de) | Verfahren zur Herstellung von Trifluorethylschwefelverbindungen aus Thiolaten und 1-Chlor-2,2,2-trifluorethan | |
DE59505969D1 (de) | Verfahren zur Abtrennung von Chlorwasserstoff | |
DE59407675D1 (de) | Verfahren zur Herstellung von 6H-Dibenz-(c,e)(1,2)-oxaphosphorin-6-on | |
DE59106453D1 (de) | Verfahren zur Herstellung von Gemischen aus Chlortetrafluorethan und Octafluorcyclobutan. | |
DE59305733D1 (de) | Verfahren zur Herstellung von 1,3-Difluorbenzol | |
DE69408085D1 (de) | Verfahren zur Herstellung von 2,2-Diphenylhexafluorpropanen | |
DE69300920D1 (de) | Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan. | |
DE59309922D1 (de) | Verfahren zur Herstellung von substituierten 2,3-Difluorpyridinen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: PATENTANWAELTE GESTHUYSEN, VON ROHR & EGGERT, 45128 |