HK63796A - Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof - Google Patents

Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof

Info

Publication number
HK63796A
HK63796A HK63796A HK63796A HK63796A HK 63796 A HK63796 A HK 63796A HK 63796 A HK63796 A HK 63796A HK 63796 A HK63796 A HK 63796A HK 63796 A HK63796 A HK 63796A
Authority
HK
Hong Kong
Prior art keywords
fluorocarbon
hydrogen fluoride
azeotrope
mixture
hcfc
Prior art date
Application number
HK63796A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hsing Lee Kung
Joseph Barsotti Domenic
Kaoru Sakata Edward
Original Assignee
E.I. Du Pont De Nemours And Company
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
Application filed by E.I. Du Pont De Nemours And Company filed Critical E.I. Du Pont De Nemours And Company
Publication of HK63796A publication Critical patent/HK63796A/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
HK63796A 1991-10-18 1996-04-11 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof HK63796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/779,534 US5196616A (en) 1991-10-18 1991-10-18 Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof

Publications (1)

Publication Number Publication Date
HK63796A true HK63796A (en) 1996-04-19

Family

ID=25116752

Family Applications (1)

Application Number Title Priority Date Filing Date
HK63796A HK63796A (en) 1991-10-18 1996-04-11 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof

Country Status (13)

Country Link
US (1) US5196616A (cs)
EP (1) EP0609319B1 (cs)
JP (1) JP3162388B2 (cs)
CN (1) CN1075134A (cs)
AR (1) AR247543A1 (cs)
BR (1) BR9206628A (cs)
CA (1) CA2120921A1 (cs)
DE (1) DE69207205T2 (cs)
ES (1) ES2083196T3 (cs)
HK (1) HK63796A (cs)
MX (1) MX9205962A (cs)
TW (1) TW221987B (cs)
WO (1) WO1993008147A1 (cs)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5900044A (en) * 1987-09-11 1999-05-04 E. I. Du Pont De Nemours And Company Organic separation from HF
US5458674A (en) * 1993-08-24 1995-10-17 E. I. Du Pont De Nemours And Company Organic separation from HF
JP3616828B2 (ja) * 1991-03-06 2005-02-02 ステラケミファ株式会社 希フッ化水素酸の供給方法及びこの方法に使用する希フッ化水素酸供給装置
US5401430A (en) * 1991-04-15 1995-03-28 Daikin Industries, Ltd. Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane
DE69213771T2 (de) * 1991-04-15 1997-02-20 Daikin Ind Ltd Verfahren zur Reinigung von 1,1,1-Trifluoro-2-Chlorethan
US6676809B1 (en) * 1992-02-07 2004-01-13 Daikin Industries Ltd. Process for removal of hydrogen fluoride
KR100352680B1 (ko) * 1992-04-13 2002-09-16 다이낑 고오교 가부시키가이샤 플루오르화수소의 제거 방법
US5456841A (en) * 1992-08-03 1995-10-10 E. I. Du Pont De Nemours And Company Process for separating and recovering halocarbons from mixtures thereof
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
JPH06293674A (ja) * 1993-04-06 1994-10-21 Daikin Ind Ltd ペンタフルオロエタンとフッ化水素の共沸混合物およびペンタフルオロエタンまたはフッ化水素の回収方法
US6077819A (en) * 1993-11-01 2000-06-20 E. I. Du Pont De Nemours And Company Azeotropes of chlorofluoroethanes of the formula CF3 CC12+x ub. F.s1-x with HF and manufacturing processes therewith
EP0669303B2 (fr) * 1994-02-28 2007-08-08 Arkema France Procédé de séparation du fluorure d'hydrogène et du difluorométhane
US5656137A (en) * 1994-03-25 1997-08-12 Elf Atochem North America, Inc. F141B crude stabilization
WO1995032169A1 (en) * 1994-05-19 1995-11-30 E.I. Du Pont De Nemours And Company Improved fluorocarbon recovery in hydrodehalogenation process
US5718807A (en) * 1994-09-20 1998-02-17 E. I. Du Pont De Nemours And Company Purification process for hexafluoroethane products
US5785741A (en) * 1995-07-17 1998-07-28 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges, Claude Process and system for separation and recovery of perfluorocompound gases
US5858065A (en) * 1995-07-17 1999-01-12 American Air Liquide Process and system for separation and recovery of perfluorocompound gases
US5858066A (en) * 1995-09-22 1999-01-12 E. I. Du Pont De Nemours And Company Process for separating and recovering fluorocarbons and HCI from gaseous mixtures thereof
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
US5766483A (en) * 1996-05-10 1998-06-16 Alliedsignal Inc. Process for hydrogen fluoride separation
IE80909B1 (en) * 1996-06-14 1999-06-16 Air Liquide An improved process and system for separation and recovery of perfluorocompound gases
US5895639A (en) * 1996-07-03 1999-04-20 Alliedsignal Inc. Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid
US5948381A (en) * 1996-07-03 1999-09-07 Alliedsignal Inc. Process for separating fluorocarbon compounds
US6376727B1 (en) 1997-06-16 2002-04-23 E. I. Du Pont De Nemours And Company Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
US5779763A (en) * 1997-03-07 1998-07-14 Membrane Technology And Research, Inc. Process for recovering semiconductor industry cleaning compounds
US6224781B1 (en) 1997-08-25 2001-05-01 E. I. Du Pont De Nemours And Company Compositions comprising hydrofluorocarbons and their manufacture
US6107267A (en) * 1997-08-25 2000-08-22 E. I. Du Pont De Nemours And Company Compositions comprising CF3 CF2 CHF2 and their manufacture
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
DE10115345A1 (de) * 2001-03-28 2002-10-02 Merck Patent Gmbh Verfahren zur Aufreinigung von korrosiv wirkenden Gasen
ATE428671T1 (de) * 2001-06-01 2009-05-15 Honeywell Int Inc Azeotropähnliche zusammensetzungen aus 1,1,1,3,3- pentafluorbutan und fluorwasserstoff
US9309116B2 (en) * 2011-09-26 2016-04-12 Honeywell International Inc. Method for producing high concentration aqueous HF solutions
EP3590913A1 (en) * 2013-07-12 2020-01-08 Arkema Inc. Method of separating organofluorine compounds using membrane
CN103983736A (zh) * 2014-05-20 2014-08-13 浙江大学 膜蒸馏技术作为样品前处理方法联用离子色谱技术用于复杂基质中氟离子的分析检测方法
CN104817424B (zh) * 2015-03-17 2017-01-18 中昊晨光化工研究院有限公司 一种从四氟乙烯产物中分离二氟甲烷的方法
CN114684856B (zh) * 2022-03-07 2024-01-23 中船(邯郸)派瑞特种气体股份有限公司 一种去除六氟化钨中氟化氢的方法及装置
CN115806459A (zh) * 2022-12-13 2023-03-17 山东新时代药业有限公司 一种从混合废溶剂中回收氟碳溶剂的纯化方法
US20250197215A1 (en) * 2023-12-19 2025-06-19 Honeywell International Inc. Methods for recovering hydrogen fluoride from a fluorocarbon production process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947558A (en) * 1973-08-16 1976-03-30 Dow Chemical (Nederland) B.V. Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds
US4424067A (en) * 1982-07-29 1984-01-03 Allied Corporation Purification of anhydrous hydrogen fluoride
US4661296A (en) * 1982-09-13 1987-04-28 Ashland Oil, Inc. HF separation in a carbonylation process
JPS634806A (ja) * 1986-06-26 1988-01-09 Mitsubishi Heavy Ind Ltd 溶剤の回収法
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

Also Published As

Publication number Publication date
WO1993008147A1 (en) 1993-04-29
JPH07500112A (ja) 1995-01-05
EP0609319B1 (en) 1995-12-27
ES2083196T3 (es) 1996-04-01
BR9206628A (pt) 1994-11-08
CN1075134A (zh) 1993-08-11
DE69207205T2 (de) 1996-08-14
MX9205962A (es) 1993-04-01
DE69207205D1 (de) 1996-02-08
US5196616A (en) 1993-03-23
AR247543A1 (es) 1995-01-31
TW221987B (cs) 1994-04-01
CA2120921A1 (en) 1993-04-29
JP3162388B2 (ja) 2001-04-25
EP0609319A1 (en) 1994-08-10

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)