BR9402038A - Processo de purificação de pentaflúor etano - Google Patents

Processo de purificação de pentaflúor etano

Info

Publication number
BR9402038A
BR9402038A BR9402038A BR9402038A BR9402038A BR 9402038 A BR9402038 A BR 9402038A BR 9402038 A BR9402038 A BR 9402038A BR 9402038 A BR9402038 A BR 9402038A BR 9402038 A BR9402038 A BR 9402038A
Authority
BR
Brazil
Prior art keywords
pentafluor
purification process
ethane
ethane purification
purification
Prior art date
Application number
BR9402038A
Other languages
English (en)
Inventor
Atsuo Nishimura
Reiji Takahashi
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=BR9402038(A) "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
Publication of BR9402038A publication Critical patent/BR9402038A/pt

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)
BR9402038A 1993-05-25 1994-05-23 Processo de purificação de pentaflúor etano BR9402038A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9402038A true BR9402038A (pt) 1995-03-07

Family

ID=14846650

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9402038A BR9402038A (pt) 1993-05-25 1994-05-23 Processo de purificação de pentaflúor etano

Country Status (10)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69513152T2 (de) * 1994-02-07 2000-06-21 E.I. Du Pont De Nemours And Co., Wilmington Verfahren zur trennung von pentafluorethan aus einer mischung, die halogenierte kohlenwasserstoffe und chlorpentafluorethan enthält
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
FR2716449B1 (fr) * 1994-02-24 1996-04-05 Atochem Elf Sa Procédé de purification du pentafluoroéthane.
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
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
EP0754171B1 (en) * 1994-04-08 2001-03-14 Imperial Chemical Industries Plc Process for the purification of pentafluoroethane
ATE191906T1 (de) * 1994-08-17 2000-05-15 Daikin Ind Ltd Verfahren zur herstellung von pentafluorethan
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
WO1999007660A1 (en) * 1997-08-12 1999-02-18 E.I. Du Pont De Nemours And Company Purification of difluoromethane by extractive distillation
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
EP4446393A3 (en) * 2014-09-25 2024-12-18 Daikin Industries, Ltd. Composition comprising hfc and 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
DE1161877B (de) * 1960-04-28 1964-01-30 Du Pont Verfahren zur Abtrennung von Perfluorkohlenstoffen
NL131714C (pt) * 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
US6179967B1 (en) 2001-01-30
GR3020852T3 (en) 1996-11-30
DE69400257T2 (de) 1997-02-13
AU684757B2 (en) 1998-01-08
CN1098710A (zh) 1995-02-15
EP0626362B1 (en) 1996-06-19
ES2091069T3 (es) 1996-10-16
EP0626362A1 (en) 1994-11-30
CA2124282C (en) 2004-06-29
CN1045288C (zh) 1999-09-29
DE69400257D1 (de) 1996-07-25
KR100333422B1 (ko) 2003-03-04
AU6328394A (en) 1994-12-01

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