HK1072594A1 - Method for purification of tetrafluoromethane and use thereof - Google Patents

Method for purification of tetrafluoromethane and use thereof

Info

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
Application number
HK05105173A
Inventor
Hiromoto Ohno
Toshio Ohi
Original Assignee
Showa Denko Kk
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
Priority claimed from JP2000128681A external-priority patent/JP4471448B2/en
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Publication of HK1072594A1 publication Critical patent/HK1072594A1/en

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)
HK05105173A 2000-04-28 2005-06-22 Method for purification of tetrafluoromethane and use thereof HK1072594A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000128681A JP4471448B2 (en) 2000-04-28 2000-04-28 Tetrafluoromethane purification method and use thereof
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 (en)
AU (1) AU5261701A (en)
HK (1) HK1072594A1 (en)
RU (1) RU2215730C2 (en)
WO (1) WO2001083412A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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 (en) * 2003-11-10 2009-01-28 昭和电工株式会社 Purification method of, 1, 1-difluoroethane
KR100839063B1 (en) 2003-11-10 2008-06-19 쇼와 덴코 가부시키가이샤 Purification method of, 1,1-difluoroethane
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 (en) * 2011-12-19 2012-04-04 天津市泰源工业气体有限公司 Method for preparing high purity tetrafluoromethane through combination of rectification and adsorption
CN103664501B (en) * 2012-09-07 2015-09-23 佛山市华特气体有限公司 A kind of purification process of hexafluoroethane
CN103664502B (en) * 2012-09-07 2015-09-23 佛山市华特气体有限公司 A kind of octafluoropropane purification process
CN106345264B (en) * 2016-07-19 2018-10-30 浙江博瑞电子科技有限公司 A kind of method of purification of organic fluorine gas using impurity decomposing agent
EP3693353A1 (en) * 2019-02-11 2020-08-12 Solvay Sa A process for the purification of fluorinated olefins
KR102644490B1 (en) * 2019-08-06 2024-03-08 가부시끼가이샤 레조낙 Gas processing method and gas processing device
CN114249628B (en) * 2021-12-31 2023-06-20 华南理工大学 CH3F and C3H8 separation method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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 (en) * 1994-09-08 1999-07-26 昭和電工株式会社 Purification method of tetrafluoromethane

Also Published As

Publication number Publication date
WO2001083412A2 (en) 2001-11-08
WO2001083412A3 (en) 2002-04-25
RU2215730C2 (en) 2003-11-10
AU5261701A (en) 2001-11-12
CN1561318A (en) 2005-01-05
CN1268592C (en) 2006-08-09

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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)

Effective date: 20120426