ES476783A1 - Procedimiento para separar fluoruro de hidrogeno de sus mez-clas con 1-cloro-1, 1-difluoroetano - Google Patents
Procedimiento para separar fluoruro de hidrogeno de sus mez-clas con 1-cloro-1, 1-difluoroetanoInfo
- Publication number
- ES476783A1 ES476783A1 ES476783A ES476783A ES476783A1 ES 476783 A1 ES476783 A1 ES 476783A1 ES 476783 A ES476783 A ES 476783A ES 476783 A ES476783 A ES 476783A ES 476783 A1 ES476783 A1 ES 476783A1
- Authority
- ES
- Spain
- Prior art keywords
- hydrogen fluoride
- difluoroethane
- chloro
- mixtures
- separating hydrogen
- 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
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title abstract 4
- 239000000203 mixture Substances 0.000 title abstract 4
- BHNZEZWIUMJCGF-UHFFFAOYSA-N 1-chloro-1,1-difluoroethane Chemical compound CC(F)(F)Cl BHNZEZWIUMJCGF-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 abstract 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 abstract 1
- FRCHKSNAZZFGCA-UHFFFAOYSA-N 1,1-dichloro-1-fluoroethane Chemical compound CC(F)(Cl)Cl FRCHKSNAZZFGCA-UHFFFAOYSA-N 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
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
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 |
|---|---|---|---|
| FR7801309A FR2414475A1 (fr) | 1978-01-13 | 1978-01-13 | Procede pour la separation du fluorure d'hydrogene de ses melanges avec le 1-chloro-1, 1-difluorethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES476783A1 true ES476783A1 (es) | 1979-05-16 |
Family
ID=9203582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES476783A Expired ES476783A1 (es) | 1978-01-13 | 1979-01-12 | Procedimiento para separar fluoruro de hidrogeno de sus mez-clas con 1-cloro-1, 1-difluoroetano |
Country Status (6)
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0098341B1 (en) * | 1982-06-08 | 1986-04-16 | Pennwalt Corporation | Anhydrous phase separation for recovering hydrogen fluoride from a fluorination reaction |
| US4886581A (en) * | 1986-07-03 | 1989-12-12 | Daikin Industries Ltd. | Removal of hydrogen fluoride from 2,2,3,3-tetra-fluorooxetane |
| US4663485A (en) * | 1986-07-22 | 1987-05-05 | Celanese Corporation | Process for purifying 4-hydroxyacetophenone |
| 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 |
| 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 |
| US4948479A (en) * | 1989-06-07 | 1990-08-14 | Atochem North America, Inc. | Removal of unsaturated carbon compounds from 1,1-dichloro-1-fluoroethane |
| EP0494994B1 (en) | 1989-10-04 | 1997-08-27 | E.I. Du Pont De Nemours And Company | Fluorocarbon purification process |
| EP0665203B1 (en) * | 1991-04-15 | 1996-09-11 | Daikin Industries, Ltd. | Process for purification of 1,1,1-trifluoro-2-chloroethane |
| US5401430A (en) * | 1991-04-15 | 1995-03-28 | Daikin Industries, Ltd. | Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane |
| 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. |
| 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 |
| US5208398A (en) * | 1992-04-16 | 1993-05-04 | Elf Atochem N.A., Inc. | HF extraction of R365 from R141B |
| FR2695386B1 (fr) * | 1992-09-10 | 1994-10-14 | Atochem Elf Sa | Procédé de séparation de fluorure d'hydrogène de ses mélanges avec le 1,1,1-trifluoro-2-chloroéthane. |
| IT1256631B (it) * | 1992-12-10 | 1995-12-12 | Ausimont Spa | Procedimento per la separazione di hf da sue miscele con gli idroclorofluorcarburi 123 e/o 124 |
| US5336816A (en) * | 1992-12-17 | 1994-08-09 | Laroche Chemicals, Inc. | Method for preparing 1,1-dichloro-1-fluoroethane |
| BE1006962A3 (fr) * | 1993-04-01 | 1995-02-07 | Solvay | Compositions azeotropiques comprenant de l'eau et un hydrofluorocarbure, procede d'elimination d'eau d'une solution par distillation azeotropique et procede de production d'un hydrofluoroalcane. |
| US5632966A (en) * | 1996-03-07 | 1997-05-27 | Alliedsignal Inc. | Process for hydrogen fluoride separation |
| US5853550A (en) * | 1996-04-12 | 1998-12-29 | E. I. Du Pont De Nemours And Company | Process for separating tar from a reaction mixture |
| US5766483A (en) * | 1996-05-10 | 1998-06-16 | Alliedsignal Inc. | Process for hydrogen fluoride separation |
| US5948381A (en) * | 1996-07-03 | 1999-09-07 | Alliedsignal Inc. | Process for separating fluorocarbon compounds |
| DE69708127T2 (de) | 1996-08-27 | 2002-06-20 | Daikin Industries, Ltd. | Verfahren zur herstellung von difluormethan |
| 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 |
| DE60231992D1 (de) * | 2001-06-01 | 2009-05-28 | Honeywell Int Inc | Azeotropähnliche zusammensetzungen aus 1,1,1,3,3-pentafluorbutan und fluorwasserstoff |
| US7371363B2 (en) * | 2003-07-15 | 2008-05-13 | Honeywell International Inc. | Methods of purifying hydrogen fluoride |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2640086A (en) | 1951-12-15 | 1953-05-26 | Du Pont | Process for separating hydrogen fluoride from chlorodifluoromethane |
| US2894044A (en) * | 1956-02-16 | 1959-07-07 | Monsanto Chemicals | Preparation of 1, 1-dichloro-1-fluoroethane |
| US3442961A (en) * | 1967-05-03 | 1969-05-06 | Du Pont | Separation of hydrogen chloride from vinylidene fluoride |
| US3696156A (en) * | 1970-04-03 | 1972-10-03 | Du Pont | Process for purification of fluoroperhalocarbons |
| JPS505681B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-07-28 | 1975-03-06 | ||
| JPS49117408A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-20 | 1974-11-09 | ||
| US3873629A (en) * | 1974-01-23 | 1975-03-25 | Du Pont | Separation of chlorodifluoromethane and hydrogen |
| US4157380A (en) * | 1976-11-26 | 1979-06-05 | Prahl Walter H | Recovery of hydrogen chloride and chlorine from chlorine-containing organic wastes |
| US4102981A (en) * | 1977-08-22 | 1978-07-25 | Kaiser Aluminum & Chemical Corporation | Removal of acidic impurity from chlorofluoromethanes |
-
1978
- 1978-01-13 FR FR7801309A patent/FR2414475A1/fr active Granted
-
1979
- 1979-01-09 EP EP79200010A patent/EP0003147B1/fr not_active Expired
- 1979-01-09 DE DE7979200010T patent/DE2961620D1/de not_active Expired
- 1979-01-10 US US06/002,449 patent/US4209470A/en not_active Expired - Lifetime
- 1979-01-12 ES ES476783A patent/ES476783A1/es not_active Expired
- 1979-01-12 JP JP284879A patent/JPS54100302A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2414475B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-22 |
| FR2414475A1 (fr) | 1979-08-10 |
| EP0003147A1 (fr) | 1979-07-25 |
| EP0003147B1 (fr) | 1981-12-30 |
| JPS54100302A (en) | 1979-08-08 |
| US4209470A (en) | 1980-06-24 |
| JPH0114210B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-03-10 |
| DE2961620D1 (en) | 1982-02-18 |
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