ES2091069T3 - Procedimiento de purificacion de pentafluoroetano. - Google Patents

Procedimiento de purificacion de pentafluoroetano.

Info

Publication number
ES2091069T3
ES2091069T3 ES94108091T ES94108091T ES2091069T3 ES 2091069 T3 ES2091069 T3 ES 2091069T3 ES 94108091 T ES94108091 T ES 94108091T ES 94108091 T ES94108091 T ES 94108091T ES 2091069 T3 ES2091069 T3 ES 2091069T3
Authority
ES
Spain
Prior art keywords
pentafluoroethane
purification procedure
purification
grosure
byproduct
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
ES94108091T
Other languages
English (en)
Inventor
Atsuo Nishimura
Reiji Takahashi
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14846650&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2091069(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Showa Denko KK filed Critical Showa Denko KK
Application granted granted Critical
Publication of ES2091069T3 publication Critical patent/ES2091069T3/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

UN PROCESO DE PURIFICACION DE PENTAFLUOROETANO A PARTIR DE PENTAFLUOROETANO CRUDO QUE CONTIENE CLOROPENTAFLUOROETANO COMO UN SUBPRODUCTO POR DESTILACION EXTRACTIVA UTILIZANDO UN REACTIVO DE EXTRACCION QUE TIENE UN PUNTO DE EBULLICION ESTANDAR DE .10 (GRADOS) C A 100 (GRADOS) C Y QUE ES ELEGIDO ENTRE HIDROCARBUROS PARAFINICOS, ALCOHOLES, ETERES, ESTERES, Y CETONAS.
ES94108091T 1993-05-25 1994-05-25 Procedimiento de purificacion de pentafluoroetano. Expired - Lifetime ES2091069T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12286993 1993-05-25

Publications (1)

Publication Number Publication Date
ES2091069T3 true ES2091069T3 (es) 1996-10-16

Family

ID=14846650

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94108091T Expired - Lifetime ES2091069T3 (es) 1993-05-25 1994-05-25 Procedimiento de purificacion de pentafluoroetano.

Country Status (10)

Country Link
US (1) US6179967B1 (es)
EP (1) EP0626362B1 (es)
KR (1) KR100333422B1 (es)
CN (1) CN1045288C (es)
AU (1) AU684757B2 (es)
BR (1) BR9402038A (es)
CA (1) CA2124282C (es)
DE (1) DE69400257T2 (es)
ES (1) ES2091069T3 (es)
GR (1) GR3020852T3 (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021147A1 (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
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
FR2716449B1 (fr) * 1994-02-24 1996-04-05 Atochem Elf Sa Procédé de purification du pentafluoroéthane.
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
US5928479A (en) * 1994-04-08 1999-07-27 Imperial Chemical Industries Plc Process for the purification of pentafluoroethane
WO1996005158A1 (en) * 1994-08-17 1996-02-22 Daikin Industries, Ltd. Process for producing pentafluoroethane
GB9417118D0 (en) * 1994-08-24 1994-10-12 Ici Plc Purification of pentafluoroethane
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
FR2730228B1 (fr) * 1995-02-07 1997-06-20 Atochem Elf Sa Procede de purification du pentafluoroethane
FR2752836B1 (fr) * 1996-08-30 1998-10-30 Atochem Elf Sa Purification du pentafluoroethane
FR2758137B1 (fr) * 1997-01-06 1999-02-26 Atochem Elf Sa Procede de purification du pentafluoroethane par distillation extractive
DE69819163T2 (de) * 1997-08-12 2004-07-22 E.I. Du Pont De Nemours And Co., Wilmington Reinigung von difluormethan durch extraktivdestillation
CN1120828C (zh) * 1999-11-10 2003-09-10 浙江省化工研究院 五氟乙烷的提纯方法
IT1318505B1 (it) * 2000-05-09 2003-08-27 Ausimont Spa Processo di purificazione del pentafluoroetano (hfc-125).
US7060165B2 (en) * 2002-02-14 2006-06-13 Pcbu Services, Inc. Processes for purification and production of fluorocarbons
FR2865731B1 (fr) * 2004-01-30 2007-09-07 Solvay Procede de fabrication d'un hydrofluoroalcane
CN100999438B (zh) * 2007-01-04 2010-10-06 西安近代化学研究所 五氟乙烷的提纯方法
JP5477011B2 (ja) * 2009-02-03 2014-04-23 セントラル硝子株式会社 （ｚ）−１−クロロ−３，３，３−トリフルオロプロペンの精製方法
US8692038B2 (en) * 2009-10-27 2014-04-08 Showa Denko K.K. Fluorine-containing compound purification method
DK3284797T3 (da) * 2014-09-25 2021-02-01 Daikin Ind Ltd Sammensætning, der omfatter hfc og hfo
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
CN104557443B (zh) * 2014-12-03 2016-07-06 嵊州领航信息科技有限公司 一种制备五氟乙烷的系统和方法
CN108698958B (zh) 2016-02-26 2021-07-16 Ａｇｃ株式会社 纯化1-氯-2,3,3,3-四氟丙烯和纯化1-氯-2,3,3,3-四氟丙烯(z)的制造方法
CN114405041A (zh) * 2022-02-25 2022-04-29 明士新材料有限公司 一种用于电子级γ-丁内酯的精馏装置及其方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442589A (en) 1946-03-19 1948-06-01 Atomic Energy Commission Purification of perfluoroheptane by azeotropic distillation with methyl ethyl ketone
NL264123A (es) * 1960-04-28
NL131714C (es) * 1963-02-06
CH471760A (de) * 1966-02-23 1969-04-30 Ciba Geigy Verfahren zur Trennung von Gemischen von aliphatischen Fluorverbindungen
US5087329A (en) * 1991-05-16 1992-02-11 E. I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
JP3182869B2 (ja) * 1992-05-18 2001-07-03 ダイキン工業株式会社 ペンタフルオロエタンとペンタフルオロクロロエタンとの共沸混合物およびペンタフルオロクロロエタンの分離方法
DE59304392D1 (de) * 1992-06-13 1996-12-12 Hoechst Ag Verfahren zur Entfernung olefinischer Verunreinigungen aus fluorierten C3-C6-Kohlenwasserstoffen
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope

Also Published As

Publication number Publication date
CA2124282A1 (en) 1994-11-26
EP0626362B1 (en) 1996-06-19
CA2124282C (en) 2004-06-29
AU684757B2 (en) 1998-01-08
AU6328394A (en) 1994-12-01
US6179967B1 (en) 2001-01-30
EP0626362A1 (en) 1994-11-30
CN1045288C (zh) 1999-09-29
CN1098710A (zh) 1995-02-15
KR100333422B1 (ko) 2003-03-04
GR3020852T3 (en) 1996-11-30
BR9402038A (pt) 1995-03-07
DE69400257D1 (de) 1996-07-25
DE69400257T2 (de) 1997-02-13

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