HK1072594A1 - Method for purification of tetrafluoromethane and use thereof - Google Patents
Method for purification of tetrafluoromethane and use thereofInfo
- Publication number
- HK1072594A1 HK1072594A1 HK05105173A HK05105173A HK1072594A1 HK 1072594 A1 HK1072594 A1 HK 1072594A1 HK 05105173 A HK05105173 A HK 05105173A HK 05105173 A HK05105173 A HK 05105173A HK 1072594 A1 HK1072594 A1 HK 1072594A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- tetrafluoromethane
- purification
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/007—Preparation of halogenated hydrocarbons from carbon or from carbides and halogens
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
-
- 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
-
- 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
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000128681A JP4471448B2 (ja) | 2000-04-28 | 2000-04-28 | テトラフルオロメタンの精製方法及びその用途 |
US23070400P | 2000-09-07 | 2000-09-07 | |
PCT/JP2001/003664 WO2001083412A2 (en) | 2000-04-28 | 2001-04-26 | Method for purification of tetrafluoromethane and use thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1072594A1 true HK1072594A1 (en) | 2005-09-02 |
Family
ID=26591045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK05105173A HK1072594A1 (en) | 2000-04-28 | 2005-06-22 | Method for purification of tetrafluoromethane and use thereof |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN1268592C (zh) |
AU (1) | AU5261701A (zh) |
HK (1) | HK1072594A1 (zh) |
RU (1) | RU2215730C2 (zh) |
WO (1) | WO2001083412A2 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7084316B2 (en) | 2002-07-02 | 2006-08-01 | Showa Denko K.K. | Process for purifying pentafluoroethane, process for producing the same, and use thereof |
GB0303972D0 (en) * | 2003-02-20 | 2003-03-26 | Ineos Fluor Holdings Ltd | Process |
CN100455555C (zh) * | 2003-11-10 | 2009-01-28 | 昭和电工株式会社 | 1,1-二氟乙烷的提纯方法 |
KR100839063B1 (ko) | 2003-11-10 | 2008-06-19 | 쇼와 덴코 가부시키가이샤 | 1,1-디플루오로에탄의 정제방법 |
US7597744B2 (en) * | 2006-07-12 | 2009-10-06 | Honeywell International Inc. | Use of molecular sieves for the removal of HFC-23 from fluorocarbon products |
CN102399126A (zh) * | 2011-12-19 | 2012-04-04 | 天津市泰源工业气体有限公司 | 精馏与吸附组合提纯制备高纯四氟甲烷的方法 |
CN103664501B (zh) * | 2012-09-07 | 2015-09-23 | 佛山市华特气体有限公司 | 一种六氟乙烷的纯化方法 |
CN103664502B (zh) * | 2012-09-07 | 2015-09-23 | 佛山市华特气体有限公司 | 一种八氟丙烷纯化方法 |
CN106345264B (zh) * | 2016-07-19 | 2018-10-30 | 浙江博瑞电子科技有限公司 | 一种使用杂质分解剂的有机氟气体的提纯方法 |
EP3693353A1 (en) * | 2019-02-11 | 2020-08-12 | Solvay Sa | A process for the purification of fluorinated olefins |
KR102644490B1 (ko) * | 2019-08-06 | 2024-03-08 | 가부시끼가이샤 레조낙 | 가스 처리 방법 및 가스 처리 장치 |
CN114249628B (zh) * | 2021-12-31 | 2023-06-20 | 华南理工大学 | 一种ch3f和c3h8的分离方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3026359A (en) * | 1960-03-16 | 1962-03-20 | Du Pont | Process for preparing polyfluoroalkanes of high purity |
US5417742A (en) * | 1993-12-03 | 1995-05-23 | The Boc Group, Inc. | Removal of perfluorocarbons from gas streams |
JP2924660B2 (ja) * | 1994-09-08 | 1999-07-26 | 昭和電工株式会社 | テトラフルオロメタンの精製方法 |
-
2001
- 2001-04-26 WO PCT/JP2001/003664 patent/WO2001083412A2/en active Application Filing
- 2001-04-26 CN CN 01801119 patent/CN1268592C/zh not_active Expired - Lifetime
- 2001-04-26 RU RU2002101934A patent/RU2215730C2/ru not_active IP Right Cessation
- 2001-04-26 AU AU52617/01A patent/AU5261701A/en not_active Abandoned
-
2005
- 2005-06-22 HK HK05105173A patent/HK1072594A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2001083412A2 (en) | 2001-11-08 |
WO2001083412A3 (en) | 2002-04-25 |
RU2215730C2 (ru) | 2003-11-10 |
AU5261701A (en) | 2001-11-12 |
CN1561318A (zh) | 2005-01-05 |
CN1268592C (zh) | 2006-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1072594A1 (en) | Method for purification of tetrafluoromethane and use thereof | |
AU5358601A (en) | Purification apparatus and method | |
EP1432647A4 (en) | METHOD AND DEVICE FOR CLEANING WATER AT THE USE | |
GB0008264D0 (en) | Novel method and compounds | |
AU8415901A (en) | Method of stabilizing particulates | |
AU2001248353A1 (en) | Method and device for purifying water | |
HUP0302089A3 (en) | Method and device for the purification of wastewaters | |
PL360934A1 (en) | Method of purifying plavastatin | |
EP1409113A4 (en) | DEVICE AND METHOD FOR CLEANING FLUID | |
EP1263935A4 (en) | SCYTONEMINE AND METHODS OF USE | |
GB0008921D0 (en) | Method of treatment | |
EP1265684A4 (en) | PURIFICATION DEVICE AND METHOD | |
GB2389182B (en) | Method of purifying b-secretase | |
EP1303281A4 (en) | METHODS OF TREATMENT | |
EP1489050A4 (en) | METHOD AND DEVICE FOR PURIFYING WATER | |
HU0104920D0 (en) | Sewage treatment unit and method for sewage purification | |
GB0002444D0 (en) | Method of cleaning | |
EP1121877A3 (en) | Cleaning device and method of construction | |
AU2002217499A1 (en) | Device and method for of water purification | |
GB2376512B (en) | A cleaning system and method of cleaning | |
SI1309589T1 (sl) | Secninske spojine in njihova uporaba | |
GB0000692D0 (en) | Method of cleaning | |
GB0002762D0 (en) | Method of treatment | |
HU0003458D0 (en) | Method for effective and controlled modification of plantal microbiote | |
GB0007235D0 (en) | A method of treatment and agents useful for same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20120426 |