SG43952A1 - Process for the purification of chlorofluorocarbons - Google Patents
Process for the purification of chlorofluorocarbonsInfo
- Publication number
- SG43952A1 SG43952A1 SG1996006854A SG1996006854A SG43952A1 SG 43952 A1 SG43952 A1 SG 43952A1 SG 1996006854 A SG1996006854 A SG 1996006854A SG 1996006854 A SG1996006854 A SG 1996006854A SG 43952 A1 SG43952 A1 SG 43952A1
- Authority
- SG
- Singapore
- Prior art keywords
- chlorofluorocarbons
- purification
- Prior art date
Links
Classifications
-
- 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
- C07C17/389—Separation; Purification; Stabilisation; Use of additives by adsorption on solids
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4113907 | 1991-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG43952A1 true SG43952A1 (en) | 1997-11-14 |
Family
ID=6430563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996006854A SG43952A1 (en) | 1991-04-27 | 1992-04-27 | Process for the purification of chlorofluorocarbons |
Country Status (8)
Country | Link |
---|---|
US (1) | US5233107A (ja) |
EP (1) | EP0511612B1 (ja) |
JP (1) | JPH0656713A (ja) |
CA (1) | CA2067078A1 (ja) |
DE (1) | DE59207602D1 (ja) |
ES (1) | ES2097829T3 (ja) |
GR (1) | GR3022734T3 (ja) |
SG (1) | SG43952A1 (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288930A (en) * | 1991-08-02 | 1994-02-22 | Imperial Chemical Industries Plc | Purification of 1,1,1,2-tetrafluoroethane |
US5600040A (en) * | 1992-07-17 | 1997-02-04 | E. I. Du Pont De Nemours And Company | Separation of tetrafluoroethane isomers |
ATE234676T1 (de) | 1996-06-06 | 2003-04-15 | Du Pont | Verfahren zur trennung und selektiven entfernung von wasserstoff-verunreinigung aus verfahrensströmungen |
IT1292007B1 (it) | 1997-05-27 | 1999-01-25 | Ausimont Spa | Processo per la preparazione di hcfc-123 |
CN1166601C (zh) * | 1998-09-03 | 2004-09-15 | 索尔微氟及衍生物有限公司 | 1,1,1,3,3-五氟丁烷的纯化 |
US6147268A (en) * | 1998-09-16 | 2000-11-14 | 3M Innovative Properties Company | Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes |
GB0010614D0 (en) * | 2000-05-04 | 2000-06-21 | Ici Plc | Removal of (hydro)haloalkene impurities from product streams |
US7084315B2 (en) * | 2000-05-04 | 2006-08-01 | Ineos Fluor Holdings Limited | Removal of (hydro)haloalkene impurities from product streams |
ATE405537T1 (de) * | 2000-08-10 | 2008-09-15 | Solvay | Verfahren zur herstellung von einem gereinigten hydrofluoralkan |
JP4767422B2 (ja) * | 2001-01-15 | 2011-09-07 | 昭和電工株式会社 | オクタフルオロプロパンの精製方法および製造方法並びにその用途 |
US6774270B1 (en) | 2003-04-01 | 2004-08-10 | 3M Innovative Properties Company | Method of removing hexafluoropropylene dimers |
KR100839063B1 (ko) * | 2003-11-10 | 2008-06-19 | 쇼와 덴코 가부시키가이샤 | 1,1-디플루오로에탄의 정제방법 |
CN1330617C (zh) * | 2004-10-29 | 2007-08-08 | 浙江蓝天环保高科技股份有限公司 | 三氟二氯乙烷的提纯方法 |
GB0611742D0 (en) * | 2006-06-14 | 2006-07-26 | Ineos Fluor Holdings Ltd | Desiccants for fluids |
FR2933402B1 (fr) * | 2008-07-03 | 2010-07-30 | Arkema France | Procede de purification de 2,3,3,3-tetrafluoro-1-propene (hfo1234yf) |
US8337595B2 (en) * | 2011-04-20 | 2012-12-25 | Honeywell International Inc. | Purification of trans-1,3,3,3-tetrafluoropropene |
US8796493B2 (en) * | 2011-09-30 | 2014-08-05 | Honeywell International Inc. | Methods to separate halogentated olefins from 2-chloro-1,1,1,2-tetrafluoropropane using a solid adsorbent |
CN109232172A (zh) * | 2012-02-10 | 2019-01-18 | 汪海有 | 用于制造2,3,3,3-四氟丙烯的改进的方法 |
CN103449959B (zh) * | 2012-06-01 | 2015-03-18 | 中化蓝天集团有限公司 | 超高纯1,1,1,2,3,3,3-七氟丙烷的制备方法 |
US10995047B2 (en) | 2013-03-15 | 2021-05-04 | The Chemours Company Fc, Llc | Process for the reduction of RƒC≡CX impurities in fluoroolefins |
MX370100B (es) * | 2013-03-15 | 2019-12-02 | Chemours Co Fc Llc | Proceso para la reduccion de impurezas de alquino en fluoroolefinas. |
US20150259267A1 (en) | 2014-03-14 | 2015-09-17 | E.I. Du Pont De Nemours And Company | PROCESS FOR THE REDUCTION OF RfC=CX IMPURITIES IN FLUOROOLEFINS |
KR20150131272A (ko) | 2013-03-15 | 2015-11-24 | 허니웰 인터내셔날 인코포레이티드 | 2,3,3,3-테트라플루오로프로펜 생성물에서 할로겐화 에틸렌 불순물을 제거하는 방법 |
GB201410174D0 (en) | 2014-06-09 | 2014-07-23 | Mexichem Amanco Holding Sa | Process |
JP2018513197A (ja) | 2015-04-24 | 2018-05-24 | ハネウェル・インターナショナル・インコーポレーテッドHoneywell International Inc. | 244bb中の1233xfの濃度を減少させる方法 |
WO2020225911A1 (ja) * | 2019-05-09 | 2020-11-12 | 日新電機株式会社 | 絶縁ガス用吸着剤及びガス絶縁電力機器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696156A (en) * | 1970-04-03 | 1972-10-03 | Du Pont | Process for purification of fluoroperhalocarbons |
JPS61236735A (ja) * | 1985-04-15 | 1986-10-22 | Hodogaya Chem Co Ltd | 2,6−ジクロロトルエンの選択的分離法 |
US4922044A (en) * | 1988-11-04 | 1990-05-01 | Allied-Signal Inc. | Purification of chloroform |
ATE108429T1 (de) * | 1988-11-22 | 1994-07-15 | Du Pont | Verfahren zur reinigung von gesättigten halokohlenwasserstoffen. |
US4906796A (en) * | 1989-03-08 | 1990-03-06 | Allied Signal Inc. | Process for purifying 1,1,1,2-tetrafluoroethane |
US4940824A (en) * | 1989-12-14 | 1990-07-10 | Allied-Signal Inc. | Process for removing vinylidene chloride from 1,1-dichloro-1-fluoroethane |
US4940825A (en) * | 1989-12-14 | 1990-07-10 | Allied-Signal Inc. | Process for removing dichloroacetylene from 1,1-dichloro-1-fluoroethane and/or vinylidene chloride |
US4950816A (en) * | 1989-12-15 | 1990-08-21 | Allied-Signal Inc. | Purification of 1,1-dichloro-1-fluoroethane |
-
1992
- 1992-04-23 JP JP4104998A patent/JPH0656713A/ja active Pending
- 1992-04-24 CA CA002067078A patent/CA2067078A1/en not_active Abandoned
- 1992-04-27 SG SG1996006854A patent/SG43952A1/en unknown
- 1992-04-27 DE DE59207602T patent/DE59207602D1/de not_active Expired - Fee Related
- 1992-04-27 EP EP92107140A patent/EP0511612B1/de not_active Expired - Lifetime
- 1992-04-27 ES ES92107140T patent/ES2097829T3/es not_active Expired - Lifetime
- 1992-04-28 US US07/872,783 patent/US5233107A/en not_active Expired - Fee Related
-
1997
- 1997-03-03 GR GR970400426T patent/GR3022734T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
CA2067078A1 (en) | 1992-10-28 |
EP0511612A3 (en) | 1993-05-19 |
ES2097829T3 (es) | 1997-04-16 |
JPH0656713A (ja) | 1994-03-01 |
EP0511612A2 (de) | 1992-11-04 |
EP0511612B1 (de) | 1996-12-04 |
DE59207602D1 (de) | 1997-01-16 |
GR3022734T3 (en) | 1997-06-30 |
US5233107A (en) | 1993-08-03 |
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