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FR3064629B1 - PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE - Google Patents

PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE Download PDF

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Publication number
FR3064629B1
FR3064629B1 FR1752582A FR1752582A FR3064629B1 FR 3064629 B1 FR3064629 B1 FR 3064629B1 FR 1752582 A FR1752582 A FR 1752582A FR 1752582 A FR1752582 A FR 1752582A FR 3064629 B1 FR3064629 B1 FR 3064629B1
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FR
France
Prior art keywords
tetrafluoro
propene
composition
purifying
producing
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.)
Active
Application number
FR1752582A
Other languages
French (fr)
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FR3064629A1 (en
Inventor
Dominique Deur-Bert
Laurent Wendlinger
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.)
Arkema France SA
Original Assignee
Arkema France SA
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 Arkema France SA filed Critical Arkema France SA
Priority to FR1752582A priority Critical patent/FR3064629B1/en
Priority to PCT/FR2018/050735 priority patent/WO2018178555A1/en
Publication of FR3064629A1 publication Critical patent/FR3064629A1/en
Application granted granted Critical
Publication of FR3064629B1 publication Critical patent/FR3064629B1/en
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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La présente invention concerne un procédé de purification du 2,3,3,3-tétrafluoro-1-propène (1234yf) à partir d'une première composition comprenant du 2,3,3,3-tétrafluoro-1-propène, 1,1,1,2,2-pentafluoropropane (245cb) et trans-1,3,3,3-tetrafluoro-1-propène (1234ze-E), ledit procédé comprenant les étapes de (a) mise en contact de ladite première composition avec au moins un agent d'extraction organique pour former une seconde composition ; (b) distillation extractive de ladite seconde composition pour former une troisième composition comprenant ledit agent d'extraction organique et trans-1,3,3,3-tetrafluoro-1-propène (1234ze-E); et un courant comprenant le 2,3,3,3-tétrafluoro-1-propène et le 1,1,1,2,2-pentafluoropropane (245cb), (c) récupération et séparation de ladite troisième composition pour former un courant comprenant ledit agent d'extraction organique et un courant comprenant le trans-1,3,3,3-tetrafluoro -1-propène (1234ze-E). L'invention concerne aussi un procédé de production du 2,3,3,3-tetrafluoro-1-propène.The present invention relates to a process for purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) from a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 1, 1,1,2,2-pentafluoropropane (245cb) and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), said process comprising the steps of (a) contacting said first composition with at least one organic extractant to form a second composition; (b) extractively distilling said second composition to form a third composition comprising said organic extractant and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E); and a stream comprising 2,3,3,3-tetrafluoro-1-propene and 1,1,1,2,2-pentafluoropropane (245cb), (c) recovering and separating said third composition to form a stream comprising said organic extractant and a stream comprising trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E). The invention also relates to a process for producing 2,3,3,3-tetrafluoro-1-propene.

FR1752582A 2017-03-28 2017-03-28 PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE Active FR3064629B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1752582A FR3064629B1 (en) 2017-03-28 2017-03-28 PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE
PCT/FR2018/050735 WO2018178555A1 (en) 2017-03-28 2018-03-27 Method for the production and purification of 2,3,3,3-tetrafluoro-1-propene

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1752582A FR3064629B1 (en) 2017-03-28 2017-03-28 PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE
FR1752582 2017-03-28

Publications (2)

Publication Number Publication Date
FR3064629A1 FR3064629A1 (en) 2018-10-05
FR3064629B1 true FR3064629B1 (en) 2019-04-05

Family

ID=58993079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1752582A Active FR3064629B1 (en) 2017-03-28 2017-03-28 PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE

Country Status (2)

Country Link
FR (1) FR3064629B1 (en)
WO (1) WO2018178555A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902838A (en) 1988-12-28 1990-02-20 E. I. Du Pont De Nemours And Company Isomerization of saturated fluorohydrocarbons
US5874657A (en) 1996-11-01 1999-02-23 E. I. Du Pont De Nemours And Company Process for the purification of 1,1-difluoroethane
DE69909860T2 (en) 1998-02-26 2004-05-27 Central Glass Co., Ltd., Ube Process for the production of fluorinated propanes
US7060165B2 (en) 2002-02-14 2006-06-13 Pcbu Services, Inc. Processes for purification and production of fluorocarbons
EP3336073B1 (en) 2006-01-03 2022-11-02 Honeywell International Inc. Method for producing fluorinated organic compounds
EP2129644B1 (en) 2006-10-03 2020-07-01 Mexichem Fluor S.A. de C.V. Dehydrogenationhalogenation process for the production of c3-c6-(hydro)fluoroalkenes
EP2091897B2 (en) 2006-10-31 2021-12-01 The Chemours Company FC, LLC Processes for the production of fluoropropanes and halopropenes
FR2929271B1 (en) 2008-03-28 2010-04-16 Arkema France PROCESS FOR THE PREPARATION OF 1,2,3,3,3-PENTAFLUOROPROPENE-1
ES2556955T3 (en) * 2009-12-23 2016-01-21 Arkema France Catalytic fluorination in gas phase of 243db to give 1234yf

Also Published As

Publication number Publication date
FR3064629A1 (en) 2018-10-05
WO2018178555A1 (en) 2018-10-04

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