DE69513960T2 - Abtrennung und entfernung von verunreinigungen aus tetrafluorethanen durch extraktivdestillation - Google Patents

Abtrennung und entfernung von verunreinigungen aus tetrafluorethanen durch extraktivdestillation

Info

Publication number
DE69513960T2
DE69513960T2 DE69513960T DE69513960T DE69513960T2 DE 69513960 T2 DE69513960 T2 DE 69513960T2 DE 69513960 T DE69513960 T DE 69513960T DE 69513960 T DE69513960 T DE 69513960T DE 69513960 T2 DE69513960 T2 DE 69513960T2
Authority
DE
Germany
Prior art keywords
tetrafluorethanes
impurities
separation
removal
extractive distillation
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 - Fee Related
Application number
DE69513960T
Other languages
English (en)
Other versions
DE69513960D1 (de
Inventor
Barry Mahler
Ralph Miller
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
Publication of DE69513960D1 publication Critical patent/DE69513960D1/de
Application granted granted Critical
Publication of DE69513960T2 publication Critical patent/DE69513960T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • C07C19/12—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms
    • 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
DE69513960T 1994-03-11 1995-03-13 Abtrennung und entfernung von verunreinigungen aus tetrafluorethanen durch extraktivdestillation Expired - Fee Related DE69513960T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/212,439 US5470442A (en) 1994-03-11 1994-03-11 Separating and removing impurities from tetrafluoroethanes by using extractive distillation
PCT/US1995/003013 WO1995024370A1 (en) 1994-03-11 1995-03-13 Separating and removing impurities from tetrafluoroethanes by using extractive distillation

Publications (2)

Publication Number Publication Date
DE69513960D1 DE69513960D1 (de) 2000-01-20
DE69513960T2 true DE69513960T2 (de) 2000-07-27

Family

ID=22791019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69513960T Expired - Fee Related DE69513960T2 (de) 1994-03-11 1995-03-13 Abtrennung und entfernung von verunreinigungen aus tetrafluorethanen durch extraktivdestillation

Country Status (11)

Country Link
US (1) US5470442A (de)
EP (1) EP0749407B1 (de)
JP (1) JPH09510214A (de)
KR (1) KR100332392B1 (de)
CN (1) CN1143945A (de)
AU (1) AU3104995A (de)
BR (1) BR9507409A (de)
CA (1) CA2184474A1 (de)
DE (1) DE69513960T2 (de)
MX (1) MX9603988A (de)
WO (1) WO1995024370A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5919340A (en) * 1994-08-17 1999-07-06 Daikin Industries Ltd. Process for recovering pentafluoroethane
US5785822A (en) * 1996-05-23 1998-07-28 Alliedsignal Inc. Process for separating difluoromethane
US5800682A (en) * 1996-10-08 1998-09-01 Alliedsignal Inc. Process for the production of difluoromethane
US5779863A (en) * 1997-01-16 1998-07-14 Air Liquide America Corporation Perfluorocompound separation and purification method and system
WO1999007660A1 (en) * 1997-08-12 1999-02-18 E.I. Du Pont De Nemours And Company Purification of difluoromethane by extractive distillation
US6488817B1 (en) * 1998-03-31 2002-12-03 Alliedsignal Inc. Purification of hydrofluorocarbons
US6164080A (en) * 1998-08-12 2000-12-26 Hudson Technologies, Inc. Apparatus and method for flushing a refrigeration system
US6357240B1 (en) 1998-08-12 2002-03-19 Hudson Technologies, Inc. Apparatus and method for flushing a chiller system
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
GB9927011D0 (en) * 1999-11-16 2000-01-12 Advanced Phytonics Ltd Method for the production of particles
FR2806077B1 (fr) 2000-03-07 2004-01-30 Solvay Procede pour l'obtention d'un hydrofluoroalcane epure, hydrofluoroalcane epure, utilisation de l'hydrofluoroalcane et methode d'analyse d'un hydrofluoroalcane
US7189311B2 (en) 2001-03-23 2007-03-13 Honeywell International Inc. Purification of difluoromethane
US8463441B2 (en) 2002-12-09 2013-06-11 Hudson Technologies, Inc. Method and apparatus for optimizing refrigeration systems
CA2509207C (en) 2002-12-09 2012-04-24 Hudson Technologies, Inc. Method and apparatus for optimizing refrigeration systems
FR2865731B1 (fr) * 2004-01-30 2007-09-07 Solvay Procede de fabrication d'un hydrofluoroalcane
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
US7893176B2 (en) * 2007-03-23 2011-02-22 Exxonmobil Chemical Patents Inc. Polydispersity-controlled isoolefin polymerization with polymorphogenates
US8075777B2 (en) * 2007-05-16 2011-12-13 E. I. Du Pont De Nemours And Company Process for the separation of diastereomers
US7964760B2 (en) * 2007-05-25 2011-06-21 E.I. Du Pont De Nemours And Company Process for the separation of fluorocarbons using ionic liquids
JP6221545B2 (ja) * 2013-09-18 2017-11-01 株式会社Ihi ジェットエンジンのための導電構造
PT3241879T (pt) 2014-09-25 2020-09-17 Daikin Ind Ltd Composição compreendendo hfc e hfo
US20180327646A1 (en) * 2015-05-07 2018-11-15 The Chemours Company Fc, Llc Compositions comprising 1,1,2,2-tetrafluoroethane and uses thereof
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.
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.
CN106582058B (zh) * 2016-12-20 2018-10-30 山东京博石油化工有限公司 一种分离石油焦可溶有机质的方法
CN106905107B (zh) * 2017-02-24 2020-02-18 北京宇极科技发展有限公司 一种1,1-二溴-1,2,2,2-四氟乙烷的提纯方法
JP7321989B2 (ja) * 2019-11-28 2023-08-07 ダイキン工業株式会社 フッ素系炭化水素化合物の脱水方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH471760A (de) * 1966-02-23 1969-04-30 Ciba Geigy Verfahren zur Trennung von Gemischen von aliphatischen Fluorverbindungen
US3732150A (en) * 1971-10-22 1973-05-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by azeotropic distillation with ammonia
US3819493A (en) * 1973-04-26 1974-06-25 Phillips Petroleum Co Process for separating halogenated hydrocarbons by extractive distillation
GB1578933A (en) * 1977-05-24 1980-11-12 Ici Ltd Manufacture of halogenated hydrocarbons
US4996379A (en) * 1988-05-30 1991-02-26 Central Glass Company, Limited Method of preparing 1,1,1,2-tetrafluoroethane from 1,1-dichloro-1,2,2,2-tetrafluoroethane
US4906796A (en) * 1989-03-08 1990-03-06 Allied Signal Inc. Process for purifying 1,1,1,2-tetrafluoroethane
US5243105A (en) * 1990-03-29 1993-09-07 Imperial Chemical Industries Plc Chemical process
DK0467531T3 (da) * 1990-07-04 1994-10-31 Ici Plc Fremgangsmåde til adskillelse af 1,1,1,2-tetrafluorethan fra blandinger deraf med hydrogenfluorid og/eller 1-chlor-2,2-difluorethylen
GB9018372D0 (en) * 1990-08-21 1990-10-03 Ici Plc Separation process
JPH04316525A (ja) * 1991-04-16 1992-11-06 Showa Denko Kk １，１，１，２−テトラフルオロエタンの精製方法
JP2897454B2 (ja) * 1991-04-19 1999-05-31 昭和電工株式会社 １，１，１，２−テトラフルオロエタンの精製法
US5336377A (en) * 1991-12-18 1994-08-09 Allied-Signal Inc. Process for removing 2-chloro-1,1-difluoroethylene from 1,1,1,2-tetrafluoroethane and co-producing 2-chloro-1,1,1,2-tetrafluoroethane
FR2689503B1 (fr) * 1992-04-03 1994-06-10 Solvay Procede d'epuration d'un hydrofluoroalcane.
SG43281A1 (en) * 1992-06-13 1997-10-17 Solvay Process for removing olefinic impurities from fluorinated c3-c6-hydrocarbons
TW222617B (de) * 1992-08-20 1994-04-21 Showa Denko Kk
AU684757B2 (en) * 1993-05-25 1998-01-08 Showa Denko Kabushiki Kaisha Purification process of pentafluoroethane

Also Published As

Publication number Publication date
EP0749407A1 (de) 1996-12-27
WO1995024370A1 (en) 1995-09-14
MX9603988A (es) 1997-09-30
CN1143945A (zh) 1997-02-26
BR9507409A (pt) 1997-10-07
CA2184474A1 (en) 1995-09-14
DE69513960D1 (de) 2000-01-20
AU3104995A (en) 1995-09-25
US5470442A (en) 1995-11-28
JPH09510214A (ja) 1997-10-14
EP0749407B1 (de) 1999-12-15
KR100332392B1 (ko) 2002-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee