ES2182125T3 - Proceso para la purificacion de 1,1-difluoroetano. - Google Patents
Proceso para la purificacion de 1,1-difluoroetano.Info
- Publication number
- ES2182125T3 ES2182125T3 ES97946392T ES97946392T ES2182125T3 ES 2182125 T3 ES2182125 T3 ES 2182125T3 ES 97946392 T ES97946392 T ES 97946392T ES 97946392 T ES97946392 T ES 97946392T ES 2182125 T3 ES2182125 T3 ES 2182125T3
- Authority
- ES
- Spain
- Prior art keywords
- difluoroethane
- purification
- extractive
- alifatic
- hfc
- 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
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 238000000895 extractive distillation Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 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
- 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)
Abstract
LA PRESENTE INVENCION SE REFIERE A PROCEDIMIENTOS PARA SEPARAR 1,1 - DIFLUOROETANO (HFC-152A) DE CLORURO DE VINILO, UTILIZANDO UNA DESTILACION EXTRACTIVA REALIZADA CON UN AGENTE EXTRACTIVO SELECCIONADO A PARTIR DE HIDROCARBUROS ALIFATICOS, CLOROCARBONOS Y ALCOHOLES.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3014896P | 1996-11-01 | 1996-11-01 | |
US08/959,869 US5874657A (en) | 1996-11-01 | 1997-10-29 | Process for the purification of 1,1-difluoroethane |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2182125T3 true ES2182125T3 (es) | 2003-03-01 |
Family
ID=26705716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES97946392T Expired - Lifetime ES2182125T3 (es) | 1996-11-01 | 1997-10-30 | Proceso para la purificacion de 1,1-difluoroetano. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5874657A (es) |
EP (1) | EP0935593B1 (es) |
JP (1) | JP2001505874A (es) |
CN (1) | CN1116256C (es) |
DE (1) | DE69715234T2 (es) |
ES (1) | ES2182125T3 (es) |
WO (1) | WO1998019982A1 (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2771737B1 (fr) * | 1997-12-01 | 2000-02-04 | Solvay | Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu |
US6358434B1 (en) * | 2001-05-21 | 2002-03-19 | Ato Fina Chemicals, Inc. | Blowing agent blends |
JP5134952B2 (ja) * | 2004-06-23 | 2013-01-30 | エクソンモービル・ケミカル・パテンツ・インク | 抽出蒸留を用いたプロセス |
CN102596867B (zh) * | 2009-10-27 | 2014-06-11 | 昭和电工株式会社 | 含氟化合物的纯化方法 |
CN102101823B (zh) * | 2009-12-16 | 2013-08-28 | 中化蓝天集团有限公司 | 一种1,1-二氟乙烷的气相提纯方法 |
CN102101822B (zh) * | 2009-12-16 | 2013-08-28 | 中化蓝天集团有限公司 | 一种1,1-二氟乙烷的液相提纯方法 |
US8871987B2 (en) * | 2010-12-10 | 2014-10-28 | E I Du Pont De Nemours And Company | Purification of cis-1,1,1,4,4,4-hexafluoro-2-butene via extractive distillation |
KR101762490B1 (ko) * | 2011-09-29 | 2017-07-27 | 도쿄 메트로폴리탄 유니버시티 | 상평형 데이터의 고정밀도 상관 및 상평형 추산을 통해 성분을 분리 또는 정제하는 장치를 설계, 제어하는 장치 및 그 방법 |
GB201307327D0 (en) * | 2013-04-23 | 2013-05-29 | Mexichem Amanco Holding Sa | Process |
GB201410174D0 (en) | 2014-06-09 | 2014-07-23 | Mexichem Amanco Holding Sa | Process |
JP6115550B2 (ja) * | 2014-11-17 | 2017-04-19 | ダイキン工業株式会社 | HFC−245cbと(E)−HFO−1234zeとを含有する組成物から両化合物を分離する方法 |
FR3032706B1 (fr) * | 2015-02-17 | 2019-10-11 | Arkema France | Procede de separation du 2-chloro-1,1-difluoroethane et du trans-dichloroethylene |
FR3046160B1 (fr) | 2015-12-23 | 2019-12-13 | Arkema France | Procede de preparation du 2,3,3,3-tetrafluoro-1-propene et recyclage du 2-chloro-3,3,3-trifluoropropene exempt d'impuretes. |
FR3046162B1 (fr) | 2015-12-23 | 2019-12-13 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene. |
FR3046161B1 (fr) | 2015-12-23 | 2019-12-13 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene. |
FR3046165B1 (fr) | 2015-12-23 | 2019-12-13 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene |
FR3046164B1 (fr) | 2015-12-23 | 2021-01-08 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoropropene. |
FR3046159B1 (fr) | 2015-12-23 | 2019-12-13 | Arkema France | Procede de preparation du 2,3,3,3-tetrafluoropropene et recyclage du 1,1,1,2,2-pentafluoropropane exempt d'impuretes. |
FR3064629B1 (fr) | 2017-03-28 | 2019-04-05 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene |
FR3064628B1 (fr) | 2017-03-28 | 2019-04-05 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoropropene |
FR3065726B1 (fr) | 2017-04-28 | 2019-04-19 | Arkema France | Procede de production et de purification du 2,3,3,3-tetrafluoropropene. |
GB2583934A (en) * | 2019-05-14 | 2020-11-18 | Mexichem Fluor Sa De Cv | Purification process |
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 |
CN113979831B (zh) * | 2021-11-11 | 2024-01-26 | 重庆大学 | 一种正己烷和1,2-二氯乙烷混合液的节能分离方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819493A (en) * | 1973-04-26 | 1974-06-25 | Phillips Petroleum Co | Process for separating halogenated hydrocarbons by extractive distillation |
US5001287A (en) * | 1989-02-02 | 1991-03-19 | E. I. Du Pont De Nemours And Company | Purification of saturated halocarbons |
GB9018372D0 (en) * | 1990-08-21 | 1990-10-03 | Ici Plc | Separation process |
US5095158A (en) * | 1991-05-10 | 1992-03-10 | Atochem North America, Inc. | Solvent extraction of VDC from I-141b |
FR2689503B1 (fr) * | 1992-04-03 | 1994-06-10 | Solvay | Procede d'epuration d'un hydrofluoroalcane. |
WO1995021148A1 (en) * | 1994-02-07 | 1995-08-10 | E.I. Du Pont De Nemours And Company | Process for separating pentafluoroethane from a mixture comprising halogenated hydrocarbons and chloropentafluoroethane |
JP3684427B2 (ja) * | 1994-02-07 | 2005-08-17 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | ハロゲン化炭化水素とクロロペンタフルオロエタンとを含む混合物からペンタフルオロエタンを分離する方法 |
WO1996023752A1 (en) * | 1995-02-01 | 1996-08-08 | E.I. Du Pont De Nemours And Company | SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION |
-
1997
- 1997-10-29 US US08/959,869 patent/US5874657A/en not_active Expired - Fee Related
- 1997-10-30 ES ES97946392T patent/ES2182125T3/es not_active Expired - Lifetime
- 1997-10-30 DE DE69715234T patent/DE69715234T2/de not_active Expired - Fee Related
- 1997-10-30 JP JP52157098A patent/JP2001505874A/ja not_active Ceased
- 1997-10-30 EP EP97946392A patent/EP0935593B1/en not_active Expired - Lifetime
- 1997-10-30 CN CN97199127A patent/CN1116256C/zh not_active Expired - Fee Related
- 1997-10-30 WO PCT/US1997/019745 patent/WO1998019982A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN1234788A (zh) | 1999-11-10 |
DE69715234D1 (de) | 2002-10-10 |
WO1998019982A1 (en) | 1998-05-14 |
EP0935593A1 (en) | 1999-08-18 |
DE69715234T2 (de) | 2003-05-08 |
CN1116256C (zh) | 2003-07-30 |
EP0935593B1 (en) | 2002-09-04 |
US5874657A (en) | 1999-02-23 |
JP2001505874A (ja) | 2001-05-08 |
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