BR9102797A - Processo para a separacao de 1,1,1,2-tetrafluoretano (hfa 134a) de uma mistura rica em hfa 134a do mesmo com hf e/ou 1-cloro-2,2-difluoretileno (cfc 11222) - Google Patents

Processo para a separacao de 1,1,1,2-tetrafluoretano (hfa 134a) de uma mistura rica em hfa 134a do mesmo com hf e/ou 1-cloro-2,2-difluoretileno (cfc 11222)

Info

Publication number
BR9102797A
BR9102797A BR919102797A BR9102797A BR9102797A BR 9102797 A BR9102797 A BR 9102797A BR 919102797 A BR919102797 A BR 919102797A BR 9102797 A BR9102797 A BR 9102797A BR 9102797 A BR9102797 A BR 9102797A
Authority
BR
Brazil
Prior art keywords
hfa
difluoretylene
tetrafluorethane
cfc
chloro
Prior art date
Application number
BR919102797A
Other languages
English (en)
Inventor
Andrew Mark Taylor
Robert William Whelhouse
Original Assignee
Ici Plc
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
Priority claimed from GB909014851A external-priority patent/GB9014851D0/en
Priority claimed from GB909014852A external-priority patent/GB9014852D0/en
Application filed by Ici Plc filed Critical Ici Plc
Publication of BR9102797A publication Critical patent/BR9102797A/pt

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification
    • C01B7/196—Separation; Purification by distillation
    • 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
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/918—Halocarbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR919102797A 1990-07-04 1991-07-03 Processo para a separacao de 1,1,1,2-tetrafluoretano (hfa 134a) de uma mistura rica em hfa 134a do mesmo com hf e/ou 1-cloro-2,2-difluoretileno (cfc 11222) BR9102797A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909014851A GB9014851D0 (en) 1990-07-04 1990-07-04 Process
GB909014852A GB9014852D0 (en) 1990-07-04 1990-07-04 Process

Publications (1)

Publication Number Publication Date
BR9102797A true BR9102797A (pt) 1992-02-04

Family

ID=26297277

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919102797A BR9102797A (pt) 1990-07-04 1991-07-03 Processo para a separacao de 1,1,1,2-tetrafluoretano (hfa 134a) de uma mistura rica em hfa 134a do mesmo com hf e/ou 1-cloro-2,2-difluoretileno (cfc 11222)

Country Status (14)

Country Link
US (1) US5211020A (pt)
EP (1) EP0467531B1 (pt)
JP (1) JP2680945B2 (pt)
KR (1) KR100220439B1 (pt)
CN (1) CN1028322C (pt)
AU (1) AU631745B2 (pt)
BR (1) BR9102797A (pt)
CA (1) CA2045753C (pt)
DE (1) DE69104426T2 (pt)
DK (1) DK0467531T3 (pt)
ES (1) ES2062687T3 (pt)
GB (1) GB9113287D0 (pt)
IE (1) IE65629B1 (pt)
MY (1) MY106547A (pt)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9105407D0 (en) * 1991-03-14 1991-05-01 Ici Plc Separation process
GB9107087D0 (en) * 1991-04-04 1991-05-22 Ici Plc Purification process
FR2694556B1 (fr) * 1992-08-05 1994-09-23 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope
BE1006962A3 (fr) * 1993-04-01 1995-02-07 Solvay Compositions azeotropiques comprenant de l'eau et un hydrofluorocarbure, procede d'elimination d'eau d'une solution par distillation azeotropique et procede de production d'un hydrofluoroalcane.
JP3163831B2 (ja) * 1993-04-06 2001-05-08 ダイキン工業株式会社 １，１−ジフルオロエタンとフッ化水素の共沸混合物および１，１−ジフルオロエタンまたはフッ化水素の回収方法
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
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
JP2933014B2 (ja) 1996-01-23 1999-08-09 ダイキン工業株式会社 ペンタフルオロプロパンとフッ化水素の共沸混合物およびペンタフルオロプロパンの分離精製方法
US5632966A (en) * 1996-03-07 1997-05-27 Alliedsignal Inc. Process for hydrogen fluoride separation
US5766483A (en) * 1996-05-10 1998-06-16 Alliedsignal Inc. Process for hydrogen fluoride separation
US5785822A (en) * 1996-05-23 1998-07-28 Alliedsignal Inc. Process for separating difluoromethane
US5948381A (en) * 1996-07-03 1999-09-07 Alliedsignal Inc. Process for separating fluorocarbon compounds
US5895639A (en) * 1996-07-03 1999-04-20 Alliedsignal Inc. Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid
ES2167771T3 (es) 1996-08-27 2002-05-16 Daikin Ind Ltd Procedimiento de fabricacion de difluorometano.
US5918481A (en) * 1997-11-20 1999-07-06 Alliedsignal Inc. Process for separating hydrogen fluoride from fluorocarbons
JP2001524460A (ja) * 1997-11-25 2001-12-04 インペリアル・ケミカル・インダストリーズ・ピーエルシー 弗素含有有機化合物の製造
US6407297B1 (en) 1997-11-25 2002-06-18 Ineos Fluor Holdings Limited Preparation of fluorine-containing organic compounds
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
EP1291337A1 (en) * 2001-09-07 2003-03-12 SOLVAY (Société Anonyme) Process for the obtention of purified heptafluoropropane
US7371363B2 (en) 2003-07-15 2008-05-13 Honeywell International Inc. Methods of purifying hydrogen fluoride
US7423188B2 (en) 2005-11-01 2008-09-09 E. I. Du Pont De Nemours And Company Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof
GB0614927D0 (en) * 2006-07-27 2006-09-06 Ineos Fluor Holdings Ltd Separation process
US7608574B2 (en) * 2006-08-17 2009-10-27 Honeywell International Inc. Azeotropic or azeotropic-like compositions of 1,1,1-trifuoroethane and 1-chloro-2,2,2-trifluoroethane
EP2170789A1 (en) * 2007-07-20 2010-04-07 Solvay Fluor GmbH Process for obtaining a purified hydrofluoroalkane
CN112250540B (zh) * 2020-10-14 2023-10-31 太仓中化环保化工有限公司 一种从精馏重组分中分离R134a、R133a和R124的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373942A (en) * 1981-02-09 1983-02-15 Pennwalt Corporation Chlorocarbon and halogen recovery from vent gas stream
DE3416519A1 (de) * 1983-05-20 1984-11-22 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zur zerlegung eines gasgemisches
US4944846A (en) * 1988-08-01 1990-07-31 E. I. Dupont De Nemours And Company Process for the separation of HF via Azeotropic distillation
US4911792A (en) * 1988-08-01 1990-03-27 E. I. Du Pont De Nemours And Company Process for the separation of HF via phase separation and distillation

Also Published As

Publication number Publication date
CN1028322C (zh) 1995-05-03
CA2045753C (en) 2001-04-10
JP2680945B2 (ja) 1997-11-19
IE912131A1 (en) 1992-01-15
EP0467531A1 (en) 1992-01-22
ES2062687T3 (es) 1994-12-16
DE69104426D1 (de) 1994-11-10
KR920002499A (ko) 1992-02-28
CN1061587A (zh) 1992-06-03
EP0467531B1 (en) 1994-10-05
KR100220439B1 (ko) 1999-09-15
DK0467531T3 (da) 1994-10-31
MY106547A (en) 1995-06-30
AU631745B2 (en) 1992-12-03
CA2045753A1 (en) 1992-01-05
DE69104426T2 (de) 1995-02-16
AU7924291A (en) 1992-01-09
IE65629B1 (en) 1995-11-01
GB9113287D0 (en) 1991-08-07
US5211020A (en) 1993-05-18
JPH04261126A (ja) 1992-09-17

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FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law