KR960010565A - 디플루오로메탄의 정제 방법 - Google Patents

디플루오로메탄의 정제 방법 Download PDF

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Publication number
KR960010565A
KR960010565A KR1019950031729A KR19950031729A KR960010565A KR 960010565 A KR960010565 A KR 960010565A KR 1019950031729 A KR1019950031729 A KR 1019950031729A KR 19950031729 A KR19950031729 A KR 19950031729A KR 960010565 A KR960010565 A KR 960010565A
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KR
South Korea
Prior art keywords
temperature
sieve
washing
vacuum
difluoromethane
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KR1019950031729A
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English (en)
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KR100328100B1 (ko
Inventor
베르또쉬요 르네
Original Assignee
쟝 르블랑세
엘프 아토켐 에스. 에이.
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.)
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Application filed by 쟝 르블랑세, 엘프 아토켐 에스. 에이. filed Critical 쟝 르블랑세
Publication of KR960010565A publication Critical patent/KR960010565A/ko
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Publication of KR100328100B1 publication Critical patent/KR100328100B1/ko

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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
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

디플루오로메탄중에 존재하는 미량의 클로로플루오로메탄을 제거하기 위하여, 정제할 디플루오로메탄올 60℃ 이상의 온도에서 13X분자체를 통해 통과시킨다.
체는 탄산 나트륨 또는 탄산 칼륨의 수용액으로 세척하고 불활성 대기 또는 진공하에서 고온으로 가열하여 재생시킬 수 있다.

Description

디플루오로메탄의 정제 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 미량의 클로로플루오로메탄(F31)을 함유하는 디플루오로메탄(F32)의 정제 방법에 있어서, 60℃ 이상의 온도에서 13X분자체를 통해 정제할 F32의 기류를 통과시키는 것을 특징으로 하는 방법.
  2. 제1항에 있어서, 작업을 75℃ 이상의 온도에서 행하는 방법.
  3. 제1 또는 제2항에 있어서, F32의 기류의 시간당 공간 속도가 20내지 2400h-1바람직하게는 40 내지 250h-1인 방법.
  4. 제1 또는 제2항에 있어서, 사용후, 13X체를 탄산 나트륨 또는 탄산 칼륨의 용액으로 세척하고, 불활성 대기 또는 진공하에서 고온으로 가영하여 재생시키는 방법.
  5. 제4항에 있어서, 세척전, 체를 질소 기류 또는 진공하에서 150-250℃로 탈착하는 방법.
  6. 제4항에 있어서, 세척후, 체를 200내지 250℃의 온도로 가열하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950031729A 1994-09-26 1995-09-25 디플루오로메탄의정제방법 KR100328100B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9411449 1994-09-26
FR9411449A FR2724927B1 (fr) 1994-09-26 1994-09-26 Procede de purification du difluoromethane

Publications (2)

Publication Number Publication Date
KR960010565A true KR960010565A (ko) 1996-04-20
KR100328100B1 KR100328100B1 (ko) 2002-07-02

Family

ID=9467264

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950031729A KR100328100B1 (ko) 1994-09-26 1995-09-25 디플루오로메탄의정제방법

Country Status (11)

Country Link
US (1) US5608129A (ko)
EP (1) EP0703206B1 (ko)
JP (1) JP3675907B2 (ko)
KR (1) KR100328100B1 (ko)
CN (1) CN1060461C (ko)
AU (1) AU692593B2 (ko)
CA (1) CA2157747C (ko)
DE (1) DE69501535T2 (ko)
ES (1) ES2112026T3 (ko)
FR (1) FR2724927B1 (ko)
GR (1) GR3026195T3 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7756200A (en) * 1999-10-08 2001-04-23 Allied-Signal Inc. Removal of chlorinated methane impurities
EP1218325A1 (en) * 1999-10-08 2002-07-03 AlliedSignal Inc. Separation of halogenated compounds
CN101289492B (zh) * 2007-04-17 2010-12-15 中国石油天然气股份有限公司 13x分子筛分离原油或岩石抽提物中甾烷和霍烷的方法
US20120325724A1 (en) * 2011-06-27 2012-12-27 Driver Michael S Recovery of alkyl chloride adsorbtion capacity by basic solution treatment of spent adsorbent
CN103736473A (zh) * 2014-01-17 2014-04-23 常州朗诣节能技术有限公司 沸石分子筛再生的方法
CN106215852B (zh) * 2016-07-19 2019-10-22 浙江博瑞电子科技有限公司 一种含氟有机气体纯化的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052555A (ko) * 1963-05-31
DE1206424B (de) * 1964-05-27 1965-12-09 Hoechst Ag Verfahren zum Abtrennen von Difluormethan aus Gemischen von Difluormethan und Tetrafluoraethylen
US4558022A (en) * 1981-02-06 1985-12-10 Calgon Carbon Corporation Regeneration of caustic impregnated activated carbons
US5001094A (en) * 1987-06-22 1991-03-19 Mobil Oil Corporation Hydrocarbon conversion process including acidic zeolite reactivation
US4906796A (en) * 1989-03-08 1990-03-06 Allied Signal Inc. Process for purifying 1,1,1,2-tetrafluoroethane
BE1003287A3 (fr) * 1990-01-12 1992-02-18 Fina Research Procede de regeneration de tamis moleculaire.
JP2667542B2 (ja) * 1990-01-26 1997-10-27 株式会社トクヤマ テトラフルオロエチレンの精製方法
GB9107344D0 (en) * 1991-04-08 1991-05-22 Ici Plc Purification process

Also Published As

Publication number Publication date
CN1060461C (zh) 2001-01-10
DE69501535D1 (de) 1998-03-05
CN1131137A (zh) 1996-09-18
JPH0899919A (ja) 1996-04-16
KR100328100B1 (ko) 2002-07-02
AU3285895A (en) 1996-04-04
EP0703206A1 (fr) 1996-03-27
DE69501535T2 (de) 1998-07-02
GR3026195T3 (en) 1998-05-29
JP3675907B2 (ja) 2005-07-27
ES2112026T3 (es) 1998-03-16
CA2157747A1 (fr) 1996-03-27
CA2157747C (fr) 2007-11-13
AU692593B2 (en) 1998-06-11
FR2724927B1 (fr) 1996-10-31
FR2724927A1 (fr) 1996-03-29
US5608129A (en) 1997-03-04
EP0703206B1 (fr) 1998-01-28

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