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ES2183964T3 - Proceso de destilacion para recuperar hfc-125 y hfc-32. - Google Patents

Proceso de destilacion para recuperar hfc-125 y hfc-32.

Info

Publication number
ES2183964T3
ES2183964T3 ES96923764T ES96923764T ES2183964T3 ES 2183964 T3 ES2183964 T3 ES 2183964T3 ES 96923764 T ES96923764 T ES 96923764T ES 96923764 T ES96923764 T ES 96923764T ES 2183964 T3 ES2183964 T3 ES 2183964T3
Authority
ES
Spain
Prior art keywords
hfc
recover
distillation process
etano
chloropentafluoroethane
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 - Lifetime
Application number
ES96923764T
Other languages
English (en)
Inventor
Ralph Newton Miller
Barry Asher Mahler
Mario Joseph Nappa
Mark Andrew Casey
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21694663&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2183964(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of ES2183964T3 publication Critical patent/ES2183964T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives
    • C07C17/383Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives
    • C07C17/383Separation; Purification; Stabilisation; Use of additives by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00Acyclic saturated compounds containing halogen atoms
    • C07C19/08Acyclic saturated compounds containing halogen atoms containing fluorine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00Acyclic saturated compounds containing halogen atoms
    • C07C19/08Acyclic saturated compounds containing halogen atoms containing fluorine
    • C07C19/10Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • C07C19/12Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms

Landscapes

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

Abstract

SE REVELA UN PROCESO PARA ELIMINAR EL CLOROPENTAFLUOROETANO (CFC ETANO (HFC LAS DE ESTOS COMPUESTOS, MEDIANTE DESTILACION AZEOTROPICA O EXTRACTIVA.
ES96923764T 1995-07-14 1996-07-12 Proceso de destilacion para recuperar hfc-125 y hfc-32. Expired - Lifetime ES2183964T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US115695P 1995-07-14 1995-07-14

Publications (1)

Publication Number Publication Date
ES2183964T3 true ES2183964T3 (es) 2003-04-01

Family

ID=21694663

Family Applications (2)

Application Number Title Priority Date Filing Date
ES96923764T Expired - Lifetime ES2183964T3 (es) 1995-07-14 1996-07-12 Proceso de destilacion para recuperar hfc-125 y hfc-32.
ES00112323T Expired - Lifetime ES2219225T3 (es) 1995-07-14 1996-07-12 Proceso para separar hfc-32 y hfc-125.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES00112323T Expired - Lifetime ES2219225T3 (es) 1995-07-14 1996-07-12 Proceso para separar hfc-32 y hfc-125.

Country Status (12)

Country Link
US (1) US6156161A (es)
EP (1) EP0840719B1 (es)
JP (2) JPH11509209A (es)
KR (1) KR19990028943A (es)
CN (1) CN1084720C (es)
AU (1) AU6457796A (es)
BR (1) BR9609821A (es)
CA (1) CA2226673A1 (es)
DE (2) DE69623781T2 (es)
ES (2) ES2183964T3 (es)
MX (1) MX9800409A (es)
WO (1) WO1997003936A1 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998015511A1 (en) * 1996-10-10 1998-04-16 Alliedsignal Inc. Process for separating pentafluoroethane and chloropentafluoroethane
JP3669400B2 (ja) * 1997-06-13 2005-07-06 ダイキン工業株式会社 パーフルオロアルキルアイオダイドとフッ化水素の共沸混合物、及びパーフルオロアルキルアイオダイドの分離精製方法
DE69819163T2 (de) * 1997-08-12 2004-07-22 E.I. Du Pont De Nemours And Co., Wilmington Reinigung von difluormethan durch extraktivdestillation
JP4529287B2 (ja) * 1997-08-21 2010-08-25 ダイキン工業株式会社 ペンタフルオロエタンの製造方法
WO1999020585A1 (en) * 1997-10-17 1999-04-29 E.I. Du Pont De Nemours And Company Separating 1,1,1,3,3-pentafluoropropane from hydrogen fluoride
US7189311B2 (en) * 2001-03-23 2007-03-13 Honeywell International Inc. Purification of difluoromethane
US6605193B2 (en) * 2001-04-25 2003-08-12 Atofina Chemicals, Inc. Recovery of HFC-32
US20040173679A1 (en) * 2001-08-03 2004-09-09 Hajime Oki Card reader
WO2006009553A1 (en) * 2004-06-23 2006-01-26 Exxonmobil Chemical Patents Inc. Methods for separating mixture components
US7893176B2 (en) * 2007-03-23 2011-02-22 Exxonmobil Chemical Patents Inc. Polydispersity-controlled isoolefin polymerization with polymorphogenates
US7402636B1 (en) 2007-03-23 2008-07-22 Exxonmobil Chemical Patents Inc Method and apparatus for decreasing polymer deposition
DE102007044916A1 (de) 2007-09-19 2009-04-23 Bionorica Ag Kosmetische oder dermatologische Zusammensetzung zur topischen Verwendung
US20100119460A1 (en) * 2008-11-11 2010-05-13 Honeywell International Inc. Azeotrope-Like Compositions Of 2,3,3,3-Tetrafluoropropene And 3,3,3-Trifluoropropene
PT3098281T (pt) 2014-09-25 2020-09-24 Daikin Ind Ltd Composição compreendendo hfc e hfo
JP6613877B2 (ja) * 2015-01-07 2019-12-04 Agc株式会社 共沸様組成物および精製された含フッ素化合物の製造方法
WO2021076480A1 (en) * 2019-10-15 2021-04-22 University Of Kansas Process for separating components of azeotropic mixtures using ionic liquids
FR3115036B1 (fr) 2020-10-12 2022-09-30 Dehon Sas Procédé de séparation des molécules d’un mélange de fluides comprenant au moins un composant fluoré
JP2025000275A (ja) * 2023-06-19 2025-01-07 ダイキン工業株式会社 精製されたジフルオロメタン(hfc-32)の製造方法、及びhfc-32を含有する組成物

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732150A (en) * 1971-10-22 1973-05-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by azeotropic distillation with ammonia
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
US5087329A (en) * 1991-05-16 1992-02-11 E. I. Du Pont De Nemours And Company Process for separating pentafluoroethane from a mixture of halogenated hydrocarbons containing chloropentafluoroethane
IT1252659B (it) * 1991-12-23 1995-06-20 Ausimont Spa Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano e dell'1,1,1-trifluoro-2,2-dicloroetano
US5346595A (en) * 1993-02-23 1994-09-13 Alliedsignal Inc. Process for the purification of a pentafluoroethane azeotrope
FR2701943B1 (fr) * 1993-02-24 1995-05-12 Atochem Elf Sa Purification du pentafluoroéthane.
AU3974293A (en) * 1993-04-06 1994-10-24 E.I. Du Pont De Nemours And Company Separation of chloropentafluoroethane from pentafluoroethane
US5421964A (en) * 1993-04-30 1995-06-06 E. I. Du Pont De Nemours And Company Process for separating HCl and halocarbons
US5928479A (en) * 1994-04-08 1999-07-27 Imperial Chemical Industries Plc Process for the purification of pentafluoroethane

Also Published As

Publication number Publication date
CN1196037A (zh) 1998-10-14
DE69623781T2 (de) 2003-08-14
CA2226673A1 (en) 1997-02-06
DE69632418D1 (de) 2004-06-09
MX9800409A (es) 1998-04-30
EP0840719A1 (en) 1998-05-13
DE69632418T2 (de) 2004-09-09
JPH11509209A (ja) 1999-08-17
EP0840719B1 (en) 2002-09-18
DE69623781D1 (de) 2002-10-24
US6156161A (en) 2000-12-05
KR19990028943A (ko) 1999-04-15
JP2007091762A (ja) 2007-04-12
BR9609821A (pt) 1999-07-06
WO1997003936A1 (en) 1997-02-06
ES2219225T3 (es) 2004-12-01
CN1084720C (zh) 2002-05-15
AU6457796A (en) 1997-02-18

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