DE69212368T2 - Azeotropes Gemisch von Fluorwasserstoff und 1,1,1-Trifluor-2-Chlorethan und Verfahren zur Reinigung von 1,1,1-Trifluor-2-Chlorethan - Google Patents
Azeotropes Gemisch von Fluorwasserstoff und 1,1,1-Trifluor-2-Chlorethan und Verfahren zur Reinigung von 1,1,1-Trifluor-2-ChlorethanInfo
- Publication number
- DE69212368T2 DE69212368T2 DE69212368T DE69212368T DE69212368T2 DE 69212368 T2 DE69212368 T2 DE 69212368T2 DE 69212368 T DE69212368 T DE 69212368T DE 69212368 T DE69212368 T DE 69212368T DE 69212368 T2 DE69212368 T2 DE 69212368T2
- Authority
- DE
- Germany
- Prior art keywords
- chloroethane
- trifluoro
- purification
- hydrogen fluoride
- azeotropic mixture
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
- C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
- C07C19/12—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms
-
- 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 |
---|---|---|---|
JP8226191 | 1991-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69212368D1 DE69212368D1 (de) | 1996-08-29 |
DE69212368T2 true DE69212368T2 (de) | 1997-01-02 |
Family
ID=13769523
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69213771T Expired - Fee Related DE69213771T2 (de) | 1991-04-15 | 1992-04-14 | Verfahren zur Reinigung von 1,1,1-Trifluoro-2-Chlorethan |
DE69212368T Expired - Fee Related DE69212368T2 (de) | 1991-04-15 | 1992-04-14 | Azeotropes Gemisch von Fluorwasserstoff und 1,1,1-Trifluor-2-Chlorethan und Verfahren zur Reinigung von 1,1,1-Trifluor-2-Chlorethan |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69213771T Expired - Fee Related DE69213771T2 (de) | 1991-04-15 | 1992-04-14 | Verfahren zur Reinigung von 1,1,1-Trifluoro-2-Chlorethan |
Country Status (4)
Country | Link |
---|---|
US (1) | US5324873A (de) |
EP (2) | EP0509449B1 (de) |
CA (1) | CA2066017C (de) |
DE (2) | DE69213771T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5276225A (en) * | 1991-04-17 | 1994-01-04 | Elf Atochem S.A. | Process for separating hydrogen fluoride from its mixtures with 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 |
US6077819A (en) * | 1993-11-01 | 2000-06-20 | E. I. Du Pont De Nemours And Company | Azeotropes of chlorofluoroethanes of the formula CF3 CC12+x ub. F.s1-x with HF and manufacturing processes therewith |
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 |
WO1997007052A1 (en) * | 1995-08-11 | 1997-02-27 | E.I. Du Pont De Nemours And Company | Azeotropes of chlorofluoroethanes with hydrogen fluoride |
US5616819A (en) * | 1995-08-28 | 1997-04-01 | Laroche Industries Inc. | Process for preparing fluorinated aliphatic compounds |
US6001796A (en) * | 1996-07-03 | 1999-12-14 | Alliedsignal Inc. | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride |
AU3377999A (en) * | 1998-04-03 | 1999-10-25 | E.I. Du Pont De Nemours And Company | Processes for the purification and use of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane and azeotropes thereof with hf |
JP2002510665A (ja) * | 1998-04-03 | 2002-04-09 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 2,2−ジクロロ−1,1,1,3,3,3−ヘキサフルオロプロパンの精製および使用方法 |
CN110194712A (zh) * | 2019-05-30 | 2019-09-03 | 烟台中瑞化工有限公司 | 一种用于1,1,1三氯三氟乙烷生产中回收氟化氢工艺 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR965372A (de) * | 1946-11-19 | 1950-09-11 | ||
GB881003A (en) * | 1958-05-07 | 1961-11-01 | Ici Ltd | Improvements in the manufacture of organic halogen compounds |
US3406099A (en) * | 1965-09-16 | 1968-10-15 | Allied Chem | Distillation of an azeotropic mixture of cf3cocf3 hf and ccl2fccif2 |
US3947558A (en) * | 1973-08-16 | 1976-03-30 | Dow Chemical (Nederland) B.V. | Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds |
US3873629A (en) * | 1974-01-23 | 1975-03-25 | Du Pont | Separation of chlorodifluoromethane and hydrogen |
US4024086A (en) * | 1975-08-06 | 1977-05-17 | Phillips Petroleum Company | Constant boiling admixtures |
US4057974A (en) * | 1976-12-21 | 1977-11-15 | Allied Chemical Corporation | Constant boiling mixtures of 1-chloro-2,2,2-trifluoroethane and octafluorocyclobutane |
US4101436A (en) * | 1976-12-21 | 1978-07-18 | Allied Chemical Corporation | Constant boiling mixtures of 1-chloro-2,2,2-trifluoroethane and hydrocarbons |
JPS53135909A (en) * | 1977-04-28 | 1978-11-28 | Bayer Ag | Process for preparing 1*1*11trifluoroo22chloroethane |
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 |
US4129603A (en) * | 1978-02-07 | 1978-12-12 | Imperial Chemical Industries Limited | Manufacture of halogenated compounds |
EP0098341B1 (de) * | 1982-06-08 | 1986-04-16 | Pennwalt Corporation | Trennung in wasserfreier Phase zur Gewinnung von Fluorwasserstoff aus einer Fluorierungsreaktion |
US4885416A (en) * | 1985-10-18 | 1989-12-05 | E. I. Du Pont De Nemours And Company | Fluorination process |
US5094773A (en) * | 1988-08-01 | 1992-03-10 | E. I. Du Pont De Nemours And Company | Azeotropes of HF and process for the separation of HF via azeotropic distillation |
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 |
US4944846A (en) * | 1988-08-01 | 1990-07-31 | E. I. Dupont De Nemours And Company | Process for the separation of HF via Azeotropic distillation |
DE3923256A1 (de) * | 1989-07-14 | 1991-01-24 | Hoechst Ag | Verfahren zur herstellung von 1,1,1-trifluor-2-chlorethan |
DE69031344D1 (de) * | 1989-10-04 | 1997-10-02 | Du Pont | Verfahren zur reinigung von fluorkohlenwasserstoffen |
JPH085817B2 (ja) * | 1990-06-18 | 1996-01-24 | ダイキン工業株式会社 | 1―クロロ―2,2,2―トリフルオロエタンの製造方法 |
US5196616A (en) * | 1991-10-18 | 1993-03-23 | E. I. Du Pont De Nemours And Company | Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof |
-
1992
- 1992-04-14 EP EP92106433A patent/EP0509449B1/de not_active Expired - Lifetime
- 1992-04-14 DE DE69213771T patent/DE69213771T2/de not_active Expired - Fee Related
- 1992-04-14 CA CA002066017A patent/CA2066017C/en not_active Expired - Fee Related
- 1992-04-14 EP EP95106106A patent/EP0665203B1/de not_active Expired - Lifetime
- 1992-04-14 DE DE69212368T patent/DE69212368T2/de not_active Expired - Fee Related
-
1993
- 1993-02-12 US US08/017,258 patent/US5324873A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2066017A1 (en) | 1992-10-16 |
DE69212368D1 (de) | 1996-08-29 |
US5324873A (en) | 1994-06-28 |
EP0665203B1 (de) | 1996-09-11 |
EP0509449A2 (de) | 1992-10-21 |
DE69213771T2 (de) | 1997-02-20 |
EP0665203A1 (de) | 1995-08-02 |
CA2066017C (en) | 2002-07-02 |
EP0509449B1 (de) | 1996-07-24 |
EP0509449A3 (en) | 1993-06-16 |
DE69213771D1 (de) | 1996-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69116623D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69400257T2 (de) | Verfahren zur Reinigung von Pentafluorethan | |
DE69428403D1 (de) | Verfahren zur Herstellung von Azetidinverbindungen und Ausgangsverbindungen dafür | |
DE69510119T2 (de) | Verfahren zur Abtrennung von 1,1-Difluorethan aus seinen Mischungen mit Fluorwasserstoff | |
DE69212368D1 (de) | Azeotropes Gemisch von Fluorwasserstoff und 1,1,1-Trifluor-2-Chlorethan und Verfahren zur Reinigung von 1,1,1-Trifluor-2-Chlorethan | |
DE59401009D1 (de) | Verfahren zur Herstellung von 1,1,1,3,3-Pentafluorpropan | |
DE69209256D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69500938D1 (de) | Verfahren zur Trennung von Fluorwasserstoff und Difluormethan | |
DE69404683D1 (de) | Verfahren zur Dehydrierung von Fluoridmischungen | |
DE69304638T2 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69303682D1 (de) | Verfahren zur Abtrennung von Fluorwasserstoff aus seinen Gemischen mit 1,1,1-Trifluor-2-chlorethan | |
DE69300901T2 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan. | |
DE69412473D1 (de) | Azeotrope Mischung aus 1,1-Difluorethan und Fluorwasserstoff und Verfahren zur Gewinnung dieser Verbindungen aus ihren Mischungen | |
DE69405189D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69304637T2 (de) | Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan | |
DE59303227D1 (de) | Verfahren zur alpha-Chlorierung von Arylethern | |
DE69405185D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE59100897D1 (de) | Verfahren zur Reinigung von wasserfreiem Fluorwasserstoff. | |
DE69203707T2 (de) | Verfahren zur Reinigung von Fluorethanen und Chlorfluorethanen. | |
DE69311220T2 (de) | Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan | |
DE69407865T2 (de) | Verfahren zur Herstellung von Nitrophenolen | |
DE59403698D1 (de) | Verfahren zur Herstellung von Dichloracetylchlorid | |
DE69406187D1 (de) | Verfahren zur Reinigung von Wasserstoffperoxyd | |
DE69218093T2 (de) | Verfahren zur Reinigung von 1,1,3,4,4,6-Hexamethyltetralin | |
DE59400136D1 (de) | Verfahren zur Herstellung von Anthrachinonamin-Verbindungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |