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 thereofInfo
- 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
- fluorocarbons
- recovering
- mixtures
- separating
- hydrogen fluoride
- Prior art date
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)
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 (zh) |
EP (1) | EP0609319B1 (zh) |
JP (1) | JP3162388B2 (zh) |
CN (1) | CN1075134A (zh) |
AR (1) | AR247543A1 (zh) |
BR (1) | BR9206628A (zh) |
CA (1) | CA2120921A1 (zh) |
DE (1) | DE69207205T2 (zh) |
ES (1) | ES2083196T3 (zh) |
HK (1) | HK63796A (zh) |
MX (1) | MX9205962A (zh) |
TW (1) | TW221987B (zh) |
WO (1) | WO1993008147A1 (zh) |
Families Citing this family (36)
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 |
DE69212368T2 (de) * | 1991-04-15 | 1997-01-02 | Daikin Ind Ltd | Azeotropes Gemisch von Fluorwasserstoff und 1,1,1-Trifluor-2-Chlorethan und Verfahren zur Reinigung von 1,1,1-Trifluor-2-Chlorethan |
US6676809B1 (en) * | 1992-02-07 | 2004-01-13 | Daikin Industries Ltd. | Process for removal of hydrogen fluoride |
DE69319711T2 (de) * | 1992-04-13 | 1999-01-07 | Daikin Ind Ltd | Verfahren zur entfernung von fluorwasserstoff |
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 |
US5858065A (en) * | 1995-07-17 | 1999-01-12 | American Air Liquide | Process and system for separation and recovery of perfluorocompound gases |
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 |
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 |
US6107267A (en) * | 1997-08-25 | 2000-08-22 | E. I. Du Pont De Nemours And Company | Compositions comprising CF3 CF2 CHF2 and their manufacture |
US6224781B1 (en) | 1997-08-25 | 2001-05-01 | E. I. Du Pont De Nemours And Company | Compositions comprising hydrofluorocarbons 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 |
WO2002098529A1 (en) * | 2001-06-01 | 2002-12-12 | Honeywell International, Inc. | Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride |
US9309116B2 (en) * | 2011-09-26 | 2016-04-12 | Honeywell International Inc. | Method for producing high concentration aqueous HF solutions |
WO2015006258A1 (en) | 2013-07-12 | 2015-01-15 | 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 |
Family Cites Families (5)
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 |
-
1991
- 1991-10-18 US US07/779,534 patent/US5196616A/en not_active Expired - Lifetime
-
1992
- 1992-10-06 TW TW081107941A patent/TW221987B/zh active
- 1992-10-16 MX MX9205962A patent/MX9205962A/es unknown
- 1992-10-16 AR AR92323444A patent/AR247543A1/es active
- 1992-10-17 CN CN92113089A patent/CN1075134A/zh active Pending
- 1992-10-19 JP JP50775693A patent/JP3162388B2/ja not_active Expired - Fee Related
- 1992-10-19 DE DE69207205T patent/DE69207205T2/de not_active Expired - Fee Related
- 1992-10-19 ES ES92921852T patent/ES2083196T3/es not_active Expired - Lifetime
- 1992-10-19 EP EP92921852A patent/EP0609319B1/en not_active Expired - Lifetime
- 1992-10-19 CA CA002120921A patent/CA2120921A1/en not_active Abandoned
- 1992-10-19 WO PCT/US1992/008705 patent/WO1993008147A1/en active IP Right Grant
- 1992-10-19 BR BR9206628A patent/BR9206628A/pt not_active Application Discontinuation
-
1996
- 1996-04-11 HK HK63796A patent/HK63796A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2120921A1 (en) | 1993-04-29 |
BR9206628A (pt) | 1994-11-08 |
EP0609319A1 (en) | 1994-08-10 |
DE69207205D1 (de) | 1996-02-08 |
MX9205962A (es) | 1993-04-01 |
DE69207205T2 (de) | 1996-08-14 |
WO1993008147A1 (en) | 1993-04-29 |
TW221987B (zh) | 1994-04-01 |
US5196616A (en) | 1993-03-23 |
ES2083196T3 (es) | 1996-04-01 |
AR247543A1 (es) | 1995-01-31 |
JPH07500112A (ja) | 1995-01-05 |
CN1075134A (zh) | 1993-08-11 |
EP0609319B1 (en) | 1995-12-27 |
JP3162388B2 (ja) | 2001-04-25 |
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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) |