CN1039313C - 除去氟化氢的方法 - Google Patents

除去氟化氢的方法 Download PDF

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Publication number
CN1039313C
CN1039313C CN93105703A CN93105703A CN1039313C CN 1039313 C CN1039313 C CN 1039313C CN 93105703 A CN93105703 A CN 93105703A CN 93105703 A CN93105703 A CN 93105703A CN 1039313 C CN1039313 C CN 1039313C
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CN
China
Prior art keywords
mixture
chlorofluoromethane
liquid phase
fluoride
methylene dichloride
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
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CN93105703A
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English (en)
Chinese (zh)
Other versions
CN1088195A (zh
Inventor
津田武英
松本竹雄
田中义纪
小松聪
小山哲
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Daikin Industries Ltd
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Daikin Industries Ltd
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26434051&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN1039313(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of CN1088195A publication Critical patent/CN1088195A/zh
Application granted granted Critical
Publication of CN1039313C publication Critical patent/CN1039313C/zh
Anticipated expiration legal-status Critical
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    • 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
    • C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
CN93105703A 1992-04-13 1993-04-13 除去氟化氢的方法 Expired - Lifetime CN1039313C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9266792 1992-04-13
JP92667/92 1992-04-13
JP107656/92 1992-04-27
JP10765692 1992-04-27

Publications (2)

Publication Number Publication Date
CN1088195A CN1088195A (zh) 1994-06-22
CN1039313C true CN1039313C (zh) 1998-07-29

Family

ID=26434051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN93105703A Expired - Lifetime CN1039313C (zh) 1992-04-13 1993-04-13 除去氟化氢的方法

Country Status (13)

Country Link
US (2) US5523015A (enExample)
EP (1) EP0606482B1 (enExample)
JP (1) JP3147380B2 (enExample)
KR (3) KR100295306B1 (enExample)
CN (1) CN1039313C (enExample)
AU (1) AU663586B2 (enExample)
BR (1) BR9305484A (enExample)
CA (1) CA2111007C (enExample)
DE (1) DE69319711T2 (enExample)
ES (1) ES2118949T3 (enExample)
RU (1) RU2118635C1 (enExample)
TW (1) TW283659B (enExample)
WO (1) WO1993021140A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB9407257D0 (en) * 1993-04-22 1994-06-08 Ici Plc Vaporisation of liquids
US6274781B1 (en) 1993-11-01 2001-08-14 E. I. Du Pont De Nemours And Company Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF
ES2110293T5 (es) 1994-02-28 2008-01-16 Arkema France Procedimiento para la separacion de fluoruro de hidrogeno y de difluormetano.
US5718807A (en) * 1994-09-20 1998-02-17 E. I. Du Pont De Nemours And Company Purification process for hexafluoroethane products
US5789633A (en) * 1995-06-06 1998-08-04 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
US5672788A (en) * 1995-06-07 1997-09-30 E. I. Du Pont De Nemours And Company Two-step process for manufacturing 1,1-difluoroethane
US5714650A (en) * 1995-06-07 1998-02-03 E. I. Du Pont De Nemours And Company Continuous manufacture of 1,1-difluoroethane
US5763708A (en) * 1995-09-20 1998-06-09 Allied Signal Inc. Process for the production of difluoromethane
US5785822A (en) * 1996-05-23 1998-07-28 Alliedsignal Inc. Process for separating difluoromethane
WO1998000379A1 (en) * 1996-07-03 1998-01-08 Alliedsignal Inc. Water extraction of hydrogen fluoride from a halocarbon/hydrogen fluoride azeotropic mixture
WO1998008790A1 (fr) * 1996-08-27 1998-03-05 Daikin Industries, Ltd. Procede de fabrication de difluoromethane
AU719437B2 (en) 1996-08-27 2000-05-11 Daikin Industries, Ltd. Process for producing difluoromethane
US5800682A (en) * 1996-10-08 1998-09-01 Alliedsignal Inc. Process for the production of difluoromethane
FR2768717B1 (fr) * 1997-09-24 1999-11-12 Solvay Procede de separation de fluorure d'hydrogene de ses melanges avec un hydrofluoroalcane contenant de 3 a 6 atomes de carbone
US6488817B1 (en) * 1998-03-31 2002-12-03 Alliedsignal Inc. Purification of hydrofluorocarbons
ES2325778T3 (es) * 1998-12-18 2009-09-16 Solvay (Societe Anonyme) Proceso de separacion de una mezcla que comprende al menos un hidrofluoroalcano y fluoruro de hidrogeno, y proceso de preparacion de un hidrofluoroalcano.
RU2174999C1 (ru) * 2000-05-12 2001-10-20 Общество с ограниченной ответственностью "Учебно-научно-производственная фирма "Липиды" Способ рафинации труднорафинируемых растительных масел
US6500795B2 (en) * 2001-01-24 2002-12-31 Honeywell International Inc. Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and hydrogen fluoride
US6605193B2 (en) 2001-04-25 2003-08-12 Atofina Chemicals, Inc. Recovery of HFC-32
WO2002098529A1 (en) * 2001-06-01 2002-12-12 Honeywell International, Inc. Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride
CN101541715B (zh) * 2006-08-24 2013-09-11 纳幕尔杜邦公司 通过共沸蒸馏将氟代烯烃与氟化氢分离的方法
CN103626626B (zh) * 2013-11-01 2015-06-24 西安近代化学研究所 氟化氢和2-氯-1,1,1,2-四氟丙烷混合物的分离方法
GB2636765A (en) * 2023-12-21 2025-07-02 Mexichem Uk Ltd Compositions

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450414A (en) * 1946-11-14 1948-10-05 Kinetic Chemicals Inc Distillation process for separating products of chloroform fluorination
US3490739A (en) * 1965-09-16 1970-01-20 Walter R Buckman Azeotropic composition containing hexafluoroacetone,hydrogen fluoride,and trichlorotrifluoroethane
NL6617916A (enExample) * 1965-12-22 1967-06-23
US3728268A (en) * 1970-12-11 1973-04-17 Du Pont Mixtures of 1,1,2-trichloro-1,2,2-trifluoroethane,ethanol and acetone and a ternary azeotrope thereof
US3789004A (en) * 1971-06-28 1974-01-29 Ici Ltd Solvent compositions
US3947558A (en) 1973-08-16 1976-03-30 Dow Chemical (Nederland) B.V. Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds
US4020112A (en) * 1975-02-06 1977-04-26 E. I. Du Pont De Nemours And Company Oxidative fluorination of phenols
US4169807A (en) * 1978-03-20 1979-10-02 Rca Corporation Novel solvent drying agent
JPS59225131A (ja) 1983-06-06 1984-12-18 Showa Denko Kk ジフルオロメタンの製造方法
JPS6013726A (ja) 1983-07-04 1985-01-24 Showa Denko Kk フルオロメタンの製造方法
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
US4975156A (en) * 1989-05-04 1990-12-04 Atochem North America, Inc. Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof
US4950364A (en) * 1989-05-04 1990-08-21 Pennwalt Corporation Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane
US5036036A (en) 1989-06-13 1991-07-30 E. I. Du Pont De Nemours And Company Chromium oxide catalyst composition
AU6647690A (en) 1989-10-04 1991-04-28 E.I. Du Pont De Nemours And Company Fluorocarbon purification process
GB9105407D0 (en) * 1991-03-14 1991-05-01 Ici Plc Separation process
US5196616A (en) * 1991-10-18 1993-03-23 E. I. Du Pont De Nemours And Company Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
US6274781B1 (en) 1993-11-01 2001-08-14 E. I. Du Pont De Nemours And Company Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF
ES2110293T5 (es) * 1994-02-28 2008-01-16 Arkema France Procedimiento para la separacion de fluoruro de hidrogeno y de difluormetano.

Also Published As

Publication number Publication date
KR100352680B1 (ko) 2002-09-16
RU2118635C1 (ru) 1998-09-10
EP0606482B1 (en) 1998-07-15
BR9305484A (pt) 1995-04-11
CN1088195A (zh) 1994-06-22
KR100338277B1 (ko) 2003-02-20
US6311515B1 (en) 2001-11-06
EP0606482A4 (en) 1994-03-23
ES2118949T3 (es) 1998-10-01
DE69319711T2 (de) 1999-01-07
CA2111007C (en) 2004-08-03
DE69319711D1 (de) 1998-08-20
CA2111007A1 (en) 1993-10-28
TW283659B (enExample) 1996-08-21
US5523015A (en) 1996-06-04
JP3147380B2 (ja) 2001-03-19
AU663586B2 (en) 1995-10-12
KR100295306B1 (ko) 2001-09-17
AU3904093A (en) 1993-11-18
KR940701373A (ko) 1994-05-28
EP0606482A1 (en) 1994-07-20
WO1993021140A1 (fr) 1993-10-28

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Expiration termination date: 20130413

Granted publication date: 19980729