DE69400257T2 - Verfahren zur Reinigung von Pentafluorethan - Google Patents

Verfahren zur Reinigung von Pentafluorethan

Info

Publication number
DE69400257T2
DE69400257T2 DE69400257T DE69400257T DE69400257T2 DE 69400257 T2 DE69400257 T2 DE 69400257T2 DE 69400257 T DE69400257 T DE 69400257T DE 69400257 T DE69400257 T DE 69400257T DE 69400257 T2 DE69400257 T2 DE 69400257T2
Authority
DE
Germany
Prior art keywords
pentafluoroethane
purification
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
DE69400257T
Other languages
English (en)
Other versions
DE69400257D1 (de
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=DE69400257(T2) "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 DE69400257D1 publication Critical patent/DE69400257D1/de
Publication of DE69400257T2 publication Critical patent/DE69400257T2/de
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
DE69400257T 1993-05-25 1994-05-25 Verfahren zur Reinigung von Pentafluorethan Expired - Lifetime DE69400257T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69400257D1 DE69400257D1 (de) 1996-07-25
DE69400257T2 true DE69400257T2 (de) 1997-02-13

Family

ID=14846650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400257T Expired - Lifetime DE69400257T2 (de) 1993-05-25 1994-05-25 Verfahren zur Reinigung von Pentafluorethan

Country Status (10)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0743934B1 (de) * 1994-02-07 1999-11-03 E.I. Du Pont De Nemours And Company Verfahren zur trennung von pentafluorethan aus einer mischung, die halogenierte kohlenwasserstoffe und chlorpentafluorethan enthält
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
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
ES2156939T3 (es) * 1994-04-08 2001-08-01 Ineos Fluor Holdings Ltd Proceso para la purificacion de pentafluoroetano.
WO1996005158A1 (fr) * 1994-08-17 1996-02-22 Daikin Industries, Ltd. Procede pour produire du 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
WO2011052559A1 (ja) * 2009-10-27 2011-05-05 昭和電工株式会社 フッ素含有化合物の精製方法
EP3241878B2 (de) * 2014-09-25 2023-12-20 Daikin Industries, Ltd. Zusammensetzung mit hfc und 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
JP6930524B2 (ja) 2016-02-26 2021-09-01 Ａｇｃ株式会社 精製１−クロロ−２，３，３，３−テトラフルオロプロペンおよび精製１−クロロ−２，３，３，３−テトラフルオロプロペン（ｚ）の製造方法
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 (de) * 1960-04-28
NL131714C (de) * 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
US6179967B1 (en) 2001-01-30
CA2124282C (en) 2004-06-29
EP0626362A1 (de) 1994-11-30
EP0626362B1 (de) 1996-06-19
CN1045288C (zh) 1999-09-29
KR100333422B1 (ko) 2003-03-04
ES2091069T3 (es) 1996-10-16
GR3020852T3 (en) 1996-11-30
CA2124282A1 (en) 1994-11-26
BR9402038A (pt) 1995-03-07
AU684757B2 (en) 1998-01-08
AU6328394A (en) 1994-12-01
CN1098710A (zh) 1995-02-15
DE69400257D1 (de) 1996-07-25

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Legal Events

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