KR950014047A - 1, 1, 1, 2-테트라플로오로에탄의 제조 방법 - Google Patents

1, 1, 1, 2-테트라플로오로에탄의 제조 방법 Download PDF

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KR950014047A
KR950014047A KR1019930025846A KR930025846A KR950014047A KR 950014047 A KR950014047 A KR 950014047A KR 1019930025846 A KR1019930025846 A KR 1019930025846A KR 930025846 A KR930025846 A KR 930025846A KR 950014047 A KR950014047 A KR 950014047A
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South Korea
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tce
hfc
hcfc
reactor
production
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KR1019930025846A
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KR960008640B1 (en
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안병성
김홍곤
이병권
권번일
박성
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김은영
한국과학기술연구원
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Priority to KR93025846A priority Critical patent/KR960008640B1/ko
Publication of KR950014047A publication Critical patent/KR950014047A/ko
Application granted granted Critical
Publication of KR960008640B1 publication Critical patent/KR960008640B1/ko

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    • 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
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

본 발명은 트리클로로에틸렌(TCE)와 불화수소(HF)를 출발물질로 하여 중간생성물인 HCFC-l33a를 거쳐 HFC-l34a를 제조할 때, HCFC-l33a 제조반응기에서 제조된 반응혼합물 중의 미반응 TCE를 TCE제거반응기에서 HF와 반응시켜 HCFC-l33a로 만든 후, 이것을 HFC-l34a 제조 반응기로 공급하고, 이 HFC-l34a 제조반응기 유출물에 TCE를 혼합하여 상기 HCFC-133a 제조반응기로 공급하는 것으로 이루어지는 순환적 HFC-l34a 제조방법에 관한 것이다.

Description

1, 1, 1, 2-테트라플로오로에탄의 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 순환적 HFC-134a제조공정의 흐름도이다.

Claims (4)

1, 1, 1, 1-트리플루오로-2-클로로에탄(HCFC-l33a) 제조반응기에서 트리클로로에틸렌(TCE)와 HF를 반응씨켜 얻은 HCFC-l33a 혼합물로부터 1, 1, 1, 2-테트라플로오로에탄(HFC-134a)과 염화수소를 분리하고, 잔존 혼합물에 존재하는 미반응 TCE를 HF와 반응시켜 HCFC-l33a를 생성시키고, 생성된 HCFC-l33a 혼합물을 HFC-l34a 제조반응기 유출물에 TCE를 혼합하여 상기 HCFC-l33a 제조반응기로 공급하는 것으로 이루어지는 순환적 HFC-l34a 제조방법.
제1항에 있어서, 상기 TCE와 HF의 반응이 압력 6-10kg/㎠, 온도 200-300℃에서 수행되는 HFC-l34a 제조방법.
제1항에 있어서, 상기 HFC-134a 제조반응기로 공급되는 혼합물 중의 TCE 농도가 100ppm 이하인 HFC-l34a 제조방법.
제1항에 있어서, 상기 TCE와 HF의 반응 전 또는 후에 추가로 HF를 첨가하는 HFC-l34a 제조방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR93025846A 1993-11-30 1993-11-30 Preparation of 1,1,1,2-tetrafluoroethane KR960008640B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR93025846A KR960008640B1 (en) 1993-11-30 1993-11-30 Preparation of 1,1,1,2-tetrafluoroethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR93025846A KR960008640B1 (en) 1993-11-30 1993-11-30 Preparation of 1,1,1,2-tetrafluoroethane

Publications (2)

Publication Number Publication Date
KR950014047A true KR950014047A (ko) 1995-06-15
KR960008640B1 KR960008640B1 (en) 1996-06-28

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ID=19369372

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93025846A KR960008640B1 (en) 1993-11-30 1993-11-30 Preparation of 1,1,1,2-tetrafluoroethane

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KR960008640B1 (en) 1996-06-28

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