ES2134996T3 - Procedimiento de separacion del 1,1-difluoroetano de sus mezclas con el fluoruro de hidrogeno. - Google Patents
Procedimiento de separacion del 1,1-difluoroetano de sus mezclas con el fluoruro de hidrogeno.Info
- Publication number
- ES2134996T3 ES2134996T3 ES95200801T ES95200801T ES2134996T3 ES 2134996 T3 ES2134996 T3 ES 2134996T3 ES 95200801 T ES95200801 T ES 95200801T ES 95200801 T ES95200801 T ES 95200801T ES 2134996 T3 ES2134996 T3 ES 2134996T3
- Authority
- ES
- Spain
- Prior art keywords
- mixtures
- hydrogen fluoride
- difluoroethane
- separation
- procedure
- 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
- 239000000203 mixture Substances 0.000 title abstract 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title abstract 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 238000004821 distillation Methods 0.000 abstract 1
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)
Abstract
LA INVENCION SE REFIERE A UN PROCESO PARA SEPARAR EL 1,1DIFLUORUROETANO DE SUS MEZCLAS CON EL FLUORURO DE HIDROGENO, EN EL QUE SE SOMETE LA MEZCLA A UNA DESTILACION EN UNA COLUMNA QUE FUNCIONA A UNA PRESION DE MENOS DE 10 BARES.
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 (1)
| Publication Number | Publication Date |
|---|---|
| ES2134996T3 true ES2134996T3 (es) | 1999-10-16 |
Family
ID=9462036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES95200801T Expired - Lifetime ES2134996T3 (es) | 1994-04-11 | 1995-03-30 | Procedimiento de separacion del 1,1-difluoroetano de sus mezclas con el fluoruro de hidrogeno. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5626725A (es) |
| EP (1) | EP0676386B1 (es) |
| JP (1) | JP3766117B2 (es) |
| DE (1) | DE69510119T2 (es) |
| ES (1) | ES2134996T3 (es) |
| FR (1) | FR2718437B1 (es) |
Families Citing this family (21)
| 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 |
| DE69517055T2 (de) * | 1994-10-07 | 2000-10-26 | Daikin Industries, Ltd. | Methode zur abtrennung von pentafluoroethan und verfahren zur herstellung von pentafluoroethan durch gebrauch dieser methode |
| 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 |
| MX9800871A (es) | 1995-08-01 | 1998-04-30 | Du Pont | Proceso para la manufactura de halocarburos y compuestos seleccionados y azeotropos con hf. |
| 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 |
| 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 (en) * | 1997-02-19 | 2011-04-20 | E.I. Du Pont De Nemours And Company | Azeotropic compositions comprising 1,1,1,2,3,3,3-heptafluoropropane and processes using said compositions |
| JP2001513083A (ja) * | 1997-02-19 | 2001-08-28 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 1,1,1,3,3−ペンタフルオロプロペン、2−クロロ−ペンタフルオロプロペンおよびこれらの飽和誘導体を含む組成物の製造方法 |
| 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 |
| RU2150452C1 (ru) * | 1997-08-13 | 2000-06-10 | АООТ "Кирово-Чепецкий химический комбинат им. Б.П. Константинова" | Способ получения 1,1-дифторэтана |
| 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 |
| WO2002098529A1 (en) * | 2001-06-01 | 2002-12-12 | Honeywell International, Inc. | Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride |
| US7696392B2 (en) * | 2003-11-10 | 2010-04-13 | 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 |
| PE20191043A1 (es) * | 2016-09-19 | 2019-08-06 | Mexichem Fluor Sa De Cv | Composicion farmaceutica |
| 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 |
| GB202100874D0 (en) * | 2021-01-22 | 2021-03-10 | Mexichem Fluor Sa De Cv | Process |
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 DE DE69510119T patent/DE69510119T2/de not_active Expired - Fee Related
- 1995-03-30 ES ES95200801T patent/ES2134996T3/es not_active Expired - Lifetime
- 1995-03-30 EP EP95200801A patent/EP0676386B1/fr 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 |
|---|---|
| JP3766117B2 (ja) | 2006-04-12 |
| EP0676386A1 (fr) | 1995-10-11 |
| FR2718437A1 (fr) | 1995-10-13 |
| FR2718437B1 (fr) | 1996-06-28 |
| DE69510119T2 (de) | 1999-12-23 |
| EP0676386B1 (fr) | 1999-06-09 |
| JPH07278024A (ja) | 1995-10-24 |
| US5626725A (en) | 1997-05-06 |
| DE69510119D1 (de) | 1999-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2134996T3 (es) | Procedimiento de separacion del 1,1-difluoroetano de sus mezclas con el fluoruro de hidrogeno. | |
| ES2062154T3 (es) | Separacion de compuestos de carbono insaturados desde 1,1-dicloro-1-fluoretano. | |
| SV1998000153A (es) | Proceso para la sintesis de 1,3-dioles | |
| ES2183038T3 (es) | Columna con pared de separacion para la separacion continua, por destilacion, de una mezcla de varias substancias. | |
| BR9914567A (pt) | Tubo de extração em contracorrente para remover constituintes orgânicos voláteis dos produtos de reação, e, uso de um tubo de extração em contracorrente | |
| ES2188665T3 (es) | Procedimiento para la preparacion de fragmentos de cardiodilatina, fragmentos de cardiodilatina muy purificados y productos intermedios para su preparacion. | |
| ES2081226T3 (es) | Purificacion del pentafluoretano. | |
| MX9700890A (es) | 1, 4-benzotiazepina-1, 1-dioxidos hipolipidemicos. | |
| AR022218A1 (es) | MÉTODO DE AISLACIoN Y PURIFICACIoN DE TAXANOS Y ANÁLOGOS DE TAXANO A PARTIR DE UNA FUENTE QUE CONTIENE TAXANOS. | |
| ATE266611T1 (de) | Integrierte entethanisator/ ethylenfraktionierungskolonne | |
| ES2163113T3 (es) | Azeotropo que contiene pentafluoropropano y fluoruro de hidrogeno y procedimiento de separacion y purificacion de pentafluoropropano. | |
| ES2097829T3 (es) | Procedimiento para la purificacion de fluoro-cloro-hidrocarburos. | |
| AR022351A1 (es) | Un procedimiento y una instalacion de purificacion de gas y productos obtenidos | |
| ES2177982T3 (es) | Metodo para producir xilitol. | |
| BR0112548A (pt) | Método para a purificação de acetonitrila bruta | |
| ES2144571T3 (es) | Metodo de separacion de gases atmosfericos. | |
| ES2151147T3 (es) | Procedimiento para la destilacion de alcoholes. | |
| ES2171951T3 (es) | Procedimiento de purificacion de 1,1,1,3,3-pentafluoropropano. | |
| ES2110293T3 (es) | Procedimiento para la separacion de fluoruro de hidrogeno y de difluormetano. | |
| ES2124990T3 (es) | Conversion de bisnoralcohol en bisnoraldehido. | |
| BR0214414A (pt) | Processo para recuperar caprolactama | |
| ES2192335T3 (es) | Procedimiento para la preparacion de 1,1,1,2,2-pentafluoroetano. | |
| SV1994000029A (es) | Toxina contra arañas insecticidamente eficaz ol 4797 | |
| TW264460B (es) | ||
| MX9304618A (es) | Un equipo para proporcionar a una barra de medicamento con una envoltura. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 676386 Country of ref document: ES |