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
Application number
ES97946392T
Other languages
English (en)
Inventor
Ralph Newton Miller
Barry Asher Mahler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of ES2182125T3 publication Critical patent/ES2182125T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)

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.
ES97946392T 1996-11-01 1997-10-30 Proceso para la purificacion de 1,1-difluoroetano. Expired - Lifetime ES2182125T3 (es)

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)

* Cited by examiner, † Cited by third party
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
CN1997615B (zh) * 2004-06-23 2013-03-13 埃克森美孚化学专利公司 分离混合物组分的方法
KR101395423B1 (ko) * 2009-10-27 2014-05-14 쇼와 덴코 가부시키가이샤 불소 함유 화합물의 정제 방법
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
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
TW201226368A (en) * 2010-12-10 2012-07-01 Du Pont Purification of cis-1,1,1,4,4,4-hexafluoro-2-butene via extractive distillation
SG2014014757A (en) * 2011-09-29 2014-08-28 Univ Tokyo Metropolitan Highly accurate correlating method for phase equilibrium data, and phase balance calculation method
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
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.
FR3046164B1 (fr) 2015-12-23 2021-01-08 Arkema France Procede de production et de purification du 2,3,3,3-tetrafluoropropene.
FR3046161B1 (fr) 2015-12-23 2019-12-13 Arkema France Procede de production et de purification du 2,3,3,3-tetrafluoro-1-propene.
FR3046162B1 (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
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.
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)

* Cited by examiner, † Cited by third party
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.
EP0743934B1 (en) * 1994-02-07 1999-11-03 E.I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture comprising halogenated hydrocarbons and chloropentafluoroethane
DE69510180T2 (de) * 1994-02-07 1999-11-11 Du Pont Verfahren zur trennung von pentafluorethan aus einer mischung von halogenierten kohlenwasserstoffen und chloropentafluorethan
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

Also Published As

Publication number Publication date
DE69715234T2 (de) 2003-05-08
CN1234788A (zh) 1999-11-10
WO1998019982A1 (en) 1998-05-14
DE69715234D1 (de) 2002-10-10
EP0935593A1 (en) 1999-08-18
JP2001505874A (ja) 2001-05-08
EP0935593B1 (en) 2002-09-04
US5874657A (en) 1999-02-23
CN1116256C (zh) 2003-07-30

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