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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France
Prior art keywords
tetrafluoro
propene
composition
purifying
producing
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FR1752582A
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French (fr)
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FR3064629A1 (en
Inventor
Dominique Deur-Bert
Laurent Wendlinger
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Arkema France SA
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Arkema France SA
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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
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Publication of FR3064629B1 publication Critical patent/FR3064629B1/en
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    • 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

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  • 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
FR1752582 2017-03-28
FR1752582A FR3064629B1 (en) 2017-03-28 2017-03-28 PROCESS FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE

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
TR201819194T4 (en) 2006-01-03 2019-01-21 Honeywell Int Inc Method for producing fluorinated organic compounds.
KR101394583B1 (en) 2006-10-03 2014-05-12 멕시켐 아만코 홀딩 에스.에이. 데 씨.브이. Dehydrogenationhalogenation process for the production of C3-C6(hydro)fluoroalkenes
CN101528645B (en) 2006-10-31 2013-10-30 纳幕尔杜邦公司 Processes for production of fluoropropanes and halopropenes and azeotropic compositions of 2-chloro-3,3,3-trifluoro-1-propene with HF and of 1,1,1,2,2-pentafluoropropane with HF
FR2929271B1 (en) 2008-03-28 2010-04-16 Arkema France PROCESS FOR THE PREPARATION OF 1,2,3,3,3-PENTAFLUOROPROPENE-1
EP2516367B1 (en) * 2009-12-23 2015-10-07 Arkema France Catalytic gas phase fluorination of 243db to 1234yf

Also Published As

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

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