ES2090840T3 - Procedimiento de purificacion de un hidrofluoroalcano. - Google Patents
Procedimiento de purificacion de un hidrofluoroalcano.Info
- Publication number
- ES2090840T3 ES2090840T3 ES93200877T ES93200877T ES2090840T3 ES 2090840 T3 ES2090840 T3 ES 2090840T3 ES 93200877 T ES93200877 T ES 93200877T ES 93200877 T ES93200877 T ES 93200877T ES 2090840 T3 ES2090840 T3 ES 2090840T3
- Authority
- ES
- Spain
- Prior art keywords
- hydrofluoroalcan
- purification procedure
- hydrofluoroalkane
- hydrofluorocarbon
- scavenger
- 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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
PROCESO DE DEPURACION DE UN HIDROFLUOROALCANO CON IMPUREZAS MENOS VOLATILES QUE EL HIDROFLUOROALCANO POR DESTILACION EN PRESENCIA DE UN DETECTOR DE ACIDEZ, POR EJEMPLO DE UNA OLEFINA EN C3-C8.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR929204277A FR2689503B1 (fr) | 1992-04-03 | 1992-04-03 | Procede d'epuration d'un hydrofluoroalcane. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2090840T3 true ES2090840T3 (es) | 1996-10-16 |
Family
ID=9428617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES93200877T Expired - Lifetime ES2090840T3 (es) | 1992-04-03 | 1993-03-26 | Procedimiento de purificacion de un hidrofluoroalcano. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5306850A (es) |
EP (1) | EP0564036B1 (es) |
JP (1) | JPH069449A (es) |
AT (1) | ATE139221T1 (es) |
CA (1) | CA2093274A1 (es) |
DE (1) | DE69303093T2 (es) |
DK (1) | DK0564036T3 (es) |
ES (1) | ES2090840T3 (es) |
FR (1) | FR2689503B1 (es) |
TW (1) | TW264460B (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2625196B1 (fr) * | 1987-12-23 | 1990-04-27 | Rhone Poulenc Chimie | Procede d'allylation des perhalogenoalkyl, perhalogenoalcoxy, perhalogenoalkylthio anilines en presence de metaux |
FR2689885B1 (fr) | 1992-04-14 | 1994-10-21 | Atochem North America Elf | Procédé pour inhiber la décomposition du 1,1-dichloro-1-fluoréthane. |
ES2134446T3 (es) * | 1994-02-07 | 1999-10-01 | Du Pont | Procedimiento para separar pentafluoroetano de una mezcla que comprende hidrocarburos halogenados y cloropentafluoroetano. |
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 |
US5656137A (en) * | 1994-03-25 | 1997-08-12 | Elf Atochem North America, Inc. | F141B crude stabilization |
US6402975B1 (en) | 1994-11-18 | 2002-06-11 | Lacovia N.V. | Environmentally benign non-toxic fire flooding agents |
US6146544A (en) * | 1994-11-18 | 2000-11-14 | Lacovia N.V. | Environmentally benign non-toxic fire flooding agents |
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 |
US5874657A (en) * | 1996-11-01 | 1999-02-23 | E. I. Du Pont De Nemours And Company | Process for the purification of 1,1-difluoroethane |
FR2865731B1 (fr) * | 2004-01-30 | 2007-09-07 | Solvay | Procede de fabrication d'un hydrofluoroalcane |
DE102004049761A1 (de) * | 2004-10-12 | 2006-04-13 | Bayer Cropscience Ag | Fungizide Wirkstoffkombinationen |
WO2009042344A1 (en) * | 2007-09-25 | 2009-04-02 | Albemarle Corporation | Methods of removing impurities from alkyl bromides during distillation and distillate produced thereby |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2831902A (en) * | 1957-01-18 | 1958-04-22 | Dow Chemical Co | Separation of 2-fluoropropene |
DE1219460B (de) * | 1963-11-07 | 1966-06-23 | Hoechst Ag | Verfahren zur Reinigung von 2, 2, 2-Trifluor-1-chlor-1-bromaethan, welches als Verunreinigung 1, 1, 1, 4, 4, 4-Hexafluor-2, 3-dichlorbuten-2 enthaelt |
US3689373A (en) * | 1971-05-10 | 1972-09-05 | Phillips Petroleum Co | Process for separating halogenated hydrocarbons by gas-liquid separation with a solvent |
US4548701A (en) * | 1983-12-19 | 1985-10-22 | Amoco Corporation | Method for extraction solvent recovery |
US4766261A (en) * | 1984-09-17 | 1988-08-23 | Adamantech, Inc. | Purification of fluorocarbons |
FR2636941B1 (fr) * | 1988-09-26 | 1991-02-01 | Solvay | Procede pour la fabrication d'hydrocarbure fluore |
SU1625861A1 (ru) * | 1988-11-09 | 1991-02-07 | Воронежский технологический институт | Способ очистки трихлорэтилена от кислых примесей |
US5001287A (en) * | 1989-02-02 | 1991-03-19 | E. I. Du Pont De Nemours And Company | Purification of saturated halocarbons |
US4950364A (en) * | 1989-05-04 | 1990-08-21 | Pennwalt Corporation | Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane |
US4975156A (en) * | 1989-05-04 | 1990-12-04 | Atochem North America, Inc. | Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof |
US4973774A (en) * | 1989-11-02 | 1990-11-27 | E. I. Du Pont De Nemours And Company | Chlorofluorohydrocarbon purification process |
DE69106360T2 (de) * | 1990-06-08 | 1995-06-22 | Solvay | Verfahren zur herstellung von 1,1-dichlor-1-fluorethan. |
US5120461A (en) * | 1990-08-21 | 1992-06-09 | Allied-Signal Inc. | Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane; dichlorotrifluoroethane; methanol; and alkene having 5 carbon atoms |
GB9018372D0 (en) * | 1990-08-21 | 1990-10-03 | Ici Plc | Separation process |
US5122294A (en) * | 1990-11-27 | 1992-06-16 | Allied-Signal Inc. | Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane; dichlorotrifluoroethane; ethanol; and alkene having 5 carbon atoms |
-
1992
- 1992-04-03 FR FR929204277A patent/FR2689503B1/fr not_active Expired - Fee Related
-
1993
- 1993-03-26 ES ES93200877T patent/ES2090840T3/es not_active Expired - Lifetime
- 1993-03-26 EP EP93200877A patent/EP0564036B1/fr not_active Expired - Lifetime
- 1993-03-26 DK DK93200877.4T patent/DK0564036T3/da active
- 1993-03-26 DE DE69303093T patent/DE69303093T2/de not_active Expired - Fee Related
- 1993-03-26 AT AT93200877T patent/ATE139221T1/de not_active IP Right Cessation
- 1993-03-31 US US08/040,992 patent/US5306850A/en not_active Expired - Fee Related
- 1993-03-31 TW TW082102375A patent/TW264460B/zh active
- 1993-04-02 CA CA002093274A patent/CA2093274A1/fr not_active Abandoned
- 1993-04-05 JP JP5077869A patent/JPH069449A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
TW264460B (es) | 1995-12-01 |
EP0564036A1 (fr) | 1993-10-06 |
JPH069449A (ja) | 1994-01-18 |
CA2093274A1 (fr) | 1993-10-04 |
EP0564036B1 (fr) | 1996-06-12 |
DE69303093T2 (de) | 1997-02-06 |
FR2689503A1 (fr) | 1993-10-08 |
DE69303093D1 (de) | 1996-07-18 |
FR2689503B1 (fr) | 1994-06-10 |
DK0564036T3 (da) | 1996-10-21 |
US5306850A (en) | 1994-04-26 |
ATE139221T1 (de) | 1996-06-15 |
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Legal Events
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