KR910011716A - 1,1-디클로로-1-플루오로에탄으로부터 비닐리덴 클로라이드의 제거방법 - Google Patents

1,1-디클로로-1-플루오로에탄으로부터 비닐리덴 클로라이드의 제거방법 Download PDF

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Publication number
KR910011716A
KR910011716A KR1019900020629A KR900020629A KR910011716A KR 910011716 A KR910011716 A KR 910011716A KR 1019900020629 A KR1019900020629 A KR 1019900020629A KR 900020629 A KR900020629 A KR 900020629A KR 910011716 A KR910011716 A KR 910011716A
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KR
South Korea
Prior art keywords
dichloro
fluoroethane
vinylidene chloride
ppm
weight
Prior art date
Application number
KR1019900020629A
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English (en)
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KR930003663B1 (ko
Inventor
프레더리크 예이츠 스테펜
Original Assignee
쟝 르블랑제
소시에떼 아토샹
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Application filed by 쟝 르블랑제, 소시에떼 아토샹 filed Critical 쟝 르블랑제
Publication of KR910011716A publication Critical patent/KR910011716A/ko
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Publication of KR930003663B1 publication Critical patent/KR930003663B1/ko

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    • 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
    • C07C17/38—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

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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

내용 없음

Description

1,1-디클로로-1-플루오로에탄으로부터 비닐리덴 클로라이드의 제거방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 여러가지 분자 시이브 상에 비닐리덴 클로라이드의 흡착을 나타내는 그래프이다.

Claims (4)

  1. 약-20℃~60℃의 온도 및 약 100~500kPa의 압력하에서 약 4.2~4.5옹스트롬의 평균 기공 크기를 갖는 탄소분자 시이브상에 1,1-디클로로-플루오로에탄을 통과시키고, 200중량ppm 미만이 비닐리덴 클로라이드를 함유하는 1,1-디클로로-1-플루오로에탄올을 회수함을 특징으로 약 200~900중량ppm의 비닐리덴 클로라이드를 함유하는 1,1-디클로로-1-플루오로에탄(CFC-141b)의 정제방법.
  2. 제1항에 있어서, 탄소 분자 시이브는 입자의 고정된 베트이고, 1,1-디클로로-1-플루오로에탄은 기체이며, 1,1-디클로로-1-플루오로에탄의 시간당 기체 공간 속도는 약 130~1500hr-1임을 특징으로 하는 방법.
  3. 제1항에 있어서, 탄소 분자 시이브는 입자의 고정된 베드이고, 1,1-디클로로-1-플루오로에탄은 액체이며, 1,1-디클로로-1-플루오로에탄의 시간당 액체 공간 속도는 약 1~15hr-1임을 특징으로 하는방법.
  4. 제1항에 있어서, 회수된 1,1-디클로로-1-플루오로에탄은 50중량ppm미만의 비닐리덴 클로라이드를 함유함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900020629A 1989-12-14 1990-12-14 1,1-디클로로-1-플루오로에탄으로부터 비닐리덴 클로라이드의 제거방법 KR930003663B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US450,654 1989-12-14
US07/450,654 US4940824A (en) 1989-12-14 1989-12-14 Process for removing vinylidene chloride from 1,1-dichloro-1-fluoroethane
FR07450654 1989-12-14

Publications (2)

Publication Number Publication Date
KR910011716A true KR910011716A (ko) 1991-08-07
KR930003663B1 KR930003663B1 (ko) 1993-05-08

Family

ID=23788974

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020629A KR930003663B1 (ko) 1989-12-14 1990-12-14 1,1-디클로로-1-플루오로에탄으로부터 비닐리덴 클로라이드의 제거방법

Country Status (7)

Country Link
US (1) US4940824A (ko)
EP (1) EP0433130B1 (ko)
JP (1) JPH03291245A (ko)
KR (1) KR930003663B1 (ko)
AU (1) AU638651B2 (ko)
CA (1) CA2031982A1 (ko)
DE (1) DE69004230D1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651775B1 (fr) * 1989-09-12 1993-02-19 Atochem Purification du dichloro-1,1 fluoro-1 ethane.
US5087778A (en) * 1990-04-10 1992-02-11 Allied-Signal Inc. Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane
GB9105421D0 (en) * 1991-03-14 1991-05-01 Ici Plc Purification of 1,1,1,2-tetrafluoroethane
JPH0656713A (ja) * 1991-04-27 1994-03-01 Hoechst Ag クロロフルオロ炭化水素の精製方法
US5105035A (en) * 1991-05-29 1992-04-14 Allied-Signal Inc. Process for removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane by hydrogenation
WO1993017988A1 (en) * 1992-03-10 1993-09-16 E.I. Du Pont De Nemours And Company Purification of hexafluoroethane products
US5600040A (en) * 1992-07-17 1997-02-04 E. I. Du Pont De Nemours And Company Separation of tetrafluoroethane isomers
US5261948A (en) * 1992-09-10 1993-11-16 University Of Delaware Carbon molecular sieve for the kinetic separation of acid gases and fluorocarbons
US6544319B1 (en) * 2002-01-16 2003-04-08 Air Products And Chemicals, Inc. Purification of hexafluoro-1,3-butadiene
GB201307327D0 (en) 2013-04-23 2013-05-29 Mexichem Amanco Holding Sa Process
GB201410174D0 (en) 2014-06-09 2014-07-23 Mexichem Amanco Holding Sa Process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894044A (en) * 1956-02-16 1959-07-07 Monsanto Chemicals Preparation of 1, 1-dichloro-1-fluoroethane
US2917556A (en) * 1958-06-09 1959-12-15 Du Pont Process for separating vinylidene fluoride from vinyl fluoride
JPS505681B1 (ko) * 1970-07-28 1975-03-06
JP2542394B2 (ja) * 1987-08-06 1996-10-09 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー ヘキサフロロプロピレンの精製方法
US4820681A (en) * 1987-12-24 1989-04-11 Allied-Signal Inc. Preparation of hydrophobic carbon molecular sieves
US4849558A (en) * 1988-06-30 1989-07-18 Allied-Signal Inc. Purification of chlorofluorocarbons
US4906796A (en) * 1989-03-08 1990-03-06 Allied Signal Inc. Process for purifying 1,1,1,2-tetrafluoroethane
CA2004709A1 (en) * 1989-03-23 1990-09-23 Stephen F. Yates Process for purifying 1,1,1,2-tetrafluoroethane
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

Also Published As

Publication number Publication date
JPH03291245A (ja) 1991-12-20
CA2031982A1 (en) 1991-06-15
AU6804990A (en) 1991-06-20
AU638651B2 (en) 1993-07-01
EP0433130B1 (fr) 1993-10-27
KR930003663B1 (ko) 1993-05-08
US4940824A (en) 1990-07-10
EP0433130A3 (en) 1991-10-23
EP0433130A2 (fr) 1991-06-19
DE69004230D1 (de) 1993-12-02

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