DE07253347T1 - Verfahren zur Herstellung von HFO trans-1234ZE aus HFC-245FA - Google Patents

Verfahren zur Herstellung von HFO trans-1234ZE aus HFC-245FA Download PDF

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Publication number
DE07253347T1
DE07253347T1 DE07253347T DE07253347T DE07253347T1 DE 07253347 T1 DE07253347 T1 DE 07253347T1 DE 07253347 T DE07253347 T DE 07253347T DE 07253347 T DE07253347 T DE 07253347T DE 07253347 T1 DE07253347 T1 DE 07253347T1
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Prior art keywords
tetrafluoropropene
trans
pentafluoropropane
cis
hydrogen fluoride
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DE07253347T
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English (en)
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Haiyou Wang
Hsueh Sung Tung
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Honeywell International Inc
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Honeywell International Inc
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Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Publication of DE07253347T1 publication Critical patent/DE07253347T1/de
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    • 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
    • C07C17/07—Preparation of halogenated hydrocarbons by addition of hydrogen halides
    • C07C17/087—Preparation of halogenated hydrocarbons by addition of hydrogen halides to unsaturated halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • C07C17/272—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions
    • C07C17/278—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Abstract

Verfahren zur Herstellung von trans-1,3,3,3-Tetrafluorpropen, bei dem man:
(a) 1,1,1,3,3-Pentafluorpropan dehydrofluoriert, wodurch man ein Resultat, das cis-1,3,3,3-Tetrafluorpropen, trans-1,3,3,3-Tetrafluorpropen und Fluorwasserstoff enthält, erhält;
(b) aus dem Resultat von Schritt (a) gegebenenfalls Fluorwasserstoff gewinnt und
(c) trans-1,3,3,3-Tetrafluorpropen gewinnt.

Claims (10)

  1. Verfahren zur Herstellung von trans-1,3,3,3-Tetrafluorpropen, bei dem man: (a) 1,1,1,3,3-Pentafluorpropan dehydrofluoriert, wodurch man ein Resultat, das cis-1,3,3,3-Tetrafluorpropen, trans-1,3,3,3-Tetrafluorpropen und Fluorwasserstoff enthält, erhält; (b) aus dem Resultat von Schritt (a) gegebenenfalls Fluorwasserstoff gewinnt und (c) trans-1,3,3,3-Tetrafluorpropen gewinnt.
  2. Verfahren nach Anspruch 1, bei dem man Schritt (b) durchführt.
  3. Verfahren nach Anspruch 1, bei dem man Schritt (c) durchführt, indem man das Resultat von Schritt (a) bzw. Schritt (b) destilliert und trans-1,3,3,3-Tetrafluorpropen gewinnt und gegebenenfalls einen Rückstand, der Fluorwasserstoff, cis-1,3,3,3-Tetrafluorpropen und/oder 1,1,1,3,3-Pentafluorpropan enthält, gewinnt.
  4. Verfahren nach Anspruch 3, bei dem man ferner anschließend Fluorwasserstoff, cis-1,3,3,3-Tetrafluorpropen und 1,1,1,3,3-Pentafluorpropan einzeln aus dem Rückstand gewinnt.
  5. Verfahren nach Anspruch 3, bei dem man ferner anschließend cis-1,3,3,3-Tetrafluorpropen und/oder 1,1,1,3,3-Pentafluorpropan aus dem Rückstand gewinnt und das zurückgewonnene cis-1,3,3,3-Tetrafluorpropen und/oder 1,1,1,3,3-Pentafluorpropan in Schritt (a) zurückführt.
  6. Verfahren nach Anspruch 3, bei dem man ferner anschließend cis-1,3,3,3-Tetrafluorpropen oder ein Gemisch von cis-1,3,3,3-Tetrafluorpropen und 1,1,1,3,3-Pentafluorpropan aus dem Rückstand gewinnt und das cis-1,3,3,3-Tetrafluorpropen durch Fluorierung in 1,1,1,3,3-Pentafluorpropan umwandelt.
  7. Verfahren nach Anspruch 6, bei dem es sich bei der Fluorierungsreaktion um eine Flüssigphasenreaktion handelt.
  8. Verfahren nach Anspruch 6, bei dem es sich bei der Fluorierungsreaktion um eine Dampfphasenreaktion handelt.
  9. Verfahren nach Anspruch 6, bei dem man das resultierende 1,1,1,3,3-Pentafluorpropan in Schritt (a) zurückführt.
  10. Kontinuierliches, integriertes Fertigungsverfahren zur Herstellung von trans-1,3,3,3-Tetrafluorpropen, bei dem man: (a) 1,1,1,3,3-Pentafluorpropan in einer Dampfphasenreaktion dehydrofluoriert, wodurch man ein Resultat, das cis-1,3,3,3-Tetrafluorpropen, trans-1,3,3,3-Tetrafluorpropen und Fluorwasserstoff enthält, erhält; (b) aus dem Resultat von Schritt (a) Fluorwasserstoff gewinnt und (c) trans-1,3,3,3-Tetrafluorpropen gewinnt.
DE07253347T 2006-08-24 2007-08-24 Verfahren zur Herstellung von HFO trans-1234ZE aus HFC-245FA Pending DE07253347T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US83987306P 2006-08-24 2006-08-24
US839873P 2006-08-24
US775318 2007-07-10
US11/775,318 US8067650B2 (en) 2006-08-24 2007-07-10 Process for the production of HFO trans-1234ze from HFC-245fa

Publications (1)

Publication Number Publication Date
DE07253347T1 true DE07253347T1 (de) 2009-06-04

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ID=39133586

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DE07253347T Pending DE07253347T1 (de) 2006-08-24 2007-08-24 Verfahren zur Herstellung von HFO trans-1234ZE aus HFC-245FA

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US (1) US8067650B2 (de)
EP (3) EP4046983A1 (de)
JP (5) JP2008150356A (de)
KR (1) KR101386906B1 (de)
CN (1) CN101265155B (de)
CA (1) CA2598386C (de)
DE (1) DE07253347T1 (de)
ES (1) ES2910712T3 (de)
MX (1) MX2007010287A (de)

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JP2018115195A (ja) 2018-07-26
JP6574284B2 (ja) 2019-09-11
KR101386906B1 (ko) 2014-04-18
JP2008150356A (ja) 2008-07-03
JP6294087B2 (ja) 2018-03-14
KR20080018851A (ko) 2008-02-28
ES2910712T3 (es) 2022-05-13
JP2014098007A (ja) 2014-05-29
CN101265155A (zh) 2008-09-17
JP2019214596A (ja) 2019-12-19
CA2598386A1 (en) 2008-02-24
EP3176147A1 (de) 2017-06-07
US8067650B2 (en) 2011-11-29
EP3176147B1 (de) 2022-03-09
US20080051611A1 (en) 2008-02-28
CA2598386C (en) 2014-08-12
MX2007010287A (es) 2008-10-28
CN101265155B (zh) 2013-08-21
EP2014637A1 (de) 2009-01-14
EP4046983A1 (de) 2022-08-24
JP2017061524A (ja) 2017-03-30

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