RU2118635C1 - Азеотропная смесь и способы выделения фтороводорода - Google Patents

Азеотропная смесь и способы выделения фтороводорода Download PDF

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Publication number
RU2118635C1
RU2118635C1 RU93058442A RU93058442A RU2118635C1 RU 2118635 C1 RU2118635 C1 RU 2118635C1 RU 93058442 A RU93058442 A RU 93058442A RU 93058442 A RU93058442 A RU 93058442A RU 2118635 C1 RU2118635 C1 RU 2118635C1
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Russia
Prior art keywords
mixture
hydrogen fluoride
liquid phase
chlorofluoromethane
dichloromethane
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RU93058442A
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English (en)
Russian (ru)
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RU93058442A (ru
Inventor
Тсуда Такехиде
Матсумото Такео
Танака Йосинори
Коматсу Сатоси
Койяма Сатоси
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Дайкин Индастриз Лтд.
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Application filed by Дайкин Индастриз Лтд. filed Critical Дайкин Индастриз Лтд.
Publication of RU93058442A publication Critical patent/RU93058442A/ru
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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)
RU93058442A 1992-04-13 1993-04-09 Азеотропная смесь и способы выделения фтороводорода RU2118635C1 (ru)

Applications Claiming Priority (6)

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

Publications (2)

Publication Number Publication Date
RU93058442A RU93058442A (ru) 1996-12-10
RU2118635C1 true RU2118635C1 (ru) 1998-09-10

Family

ID=26434051

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93058442A RU2118635C1 (ru) 1992-04-13 1993-04-09 Азеотропная смесь и способы выделения фтороводорода

Country Status (13)

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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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2174999C1 (ru) * 2000-05-12 2001-10-20 Общество с ограниченной ответственностью "Учебно-научно-производственная фирма "Липиды" Способ рафинации труднорафинируемых растительных масел
RU2261856C2 (ru) * 1998-12-18 2005-10-10 Солвей (Сосьете Аноним) Способ разделения смеси, содержащей по меньшей мере один гидрофторалкан и фтористый водород, способ получения гидрофторалкана и азеотропная композиция
RU2466979C2 (ru) * 2006-08-24 2012-11-20 Е.И.Дюпон Де Немур Энд Компани Способ отделения фторолефинов от фтороводорода путем азеотропной дистилляции

Families Citing this family (21)

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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
EP0669303B2 (fr) * 1994-02-28 2007-08-08 Arkema France Procédé de séparation du fluorure d'hydrogène et du difluorométhane
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
JP3605828B2 (ja) * 1996-08-27 2004-12-22 ダイキン工業株式会社 ジフルオロメタンの製造方法
BR9711971A (pt) * 1996-08-27 1999-08-24 Daikin Ind Ltda Sociedade Japo Processo para a produ-Æo de difluometano
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
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
EP1425076B1 (en) * 2001-06-01 2009-04-15 Honeywell International Inc. Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride
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

Citations (1)

* 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

Family Cites Families (18)

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US3490739A (en) * 1965-09-16 1970-01-20 Walter R Buckman Azeotropic composition containing hexafluoroacetone,hydrogen fluoride,and trichlorotrifluoroethane
DE1546079B2 (de) * 1965-12-22 1971-06-09 Allied Chemical Corp.. New York, N Y (V St.A ) Azeotropes loesungsmittelgemisch insbesondere zur entfernung eines harzflussmittels von gedruckten schaltungen
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
WO1991004955A1 (en) 1989-10-04 1991-04-18 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
EP0669303B2 (fr) * 1994-02-28 2007-08-08 Arkema France Procédé de séparation du fluorure d'hydrogène et du difluorométhane

Patent Citations (1)

* 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2261856C2 (ru) * 1998-12-18 2005-10-10 Солвей (Сосьете Аноним) Способ разделения смеси, содержащей по меньшей мере один гидрофторалкан и фтористый водород, способ получения гидрофторалкана и азеотропная композиция
RU2174999C1 (ru) * 2000-05-12 2001-10-20 Общество с ограниченной ответственностью "Учебно-научно-производственная фирма "Липиды" Способ рафинации труднорафинируемых растительных масел
RU2466979C2 (ru) * 2006-08-24 2012-11-20 Е.И.Дюпон Де Немур Энд Компани Способ отделения фторолефинов от фтороводорода путем азеотропной дистилляции

Also Published As

Publication number Publication date
KR940701373A (ko) 1994-05-28
JP3147380B2 (ja) 2001-03-19
ES2118949T3 (es) 1998-10-01
BR9305484A (pt) 1995-04-11
AU3904093A (en) 1993-11-18
US6311515B1 (en) 2001-11-06
TW283659B (enExample) 1996-08-21
CA2111007C (en) 2004-08-03
EP0606482A4 (en) 1994-03-23
CN1039313C (zh) 1998-07-29
DE69319711D1 (de) 1998-08-20
EP0606482B1 (en) 1998-07-15
KR100352680B1 (ko) 2002-09-16
EP0606482A1 (en) 1994-07-20
CA2111007A1 (en) 1993-10-28
CN1088195A (zh) 1994-06-22
KR100338277B1 (ko) 2003-02-20
KR100295306B1 (ko) 2001-09-17
US5523015A (en) 1996-06-04
WO1993021140A1 (fr) 1993-10-28
DE69319711T2 (de) 1999-01-07
AU663586B2 (en) 1995-10-12

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Effective date: 20090410