KR950017883A - High Purity Purification of 1,1,1,2-Tetrafluoroethane - Google Patents

High Purity Purification of 1,1,1,2-Tetrafluoroethane Download PDF

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Publication number
KR950017883A
KR950017883A KR1019930026521A KR930026521A KR950017883A KR 950017883 A KR950017883 A KR 950017883A KR 1019930026521 A KR1019930026521 A KR 1019930026521A KR 930026521 A KR930026521 A KR 930026521A KR 950017883 A KR950017883 A KR 950017883A
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KR
South Korea
Prior art keywords
purification
hfc
high purity
tetrafluoroethane
less
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KR1019930026521A
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Korean (ko)
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KR960008642B1 (en
Inventor
권영수
안병성
김홍곤
이상득
정문조
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김은영
한국과학기술연구원
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Priority to KR93026521A priority Critical patent/KR960008642B1/en
Publication of KR950017883A publication Critical patent/KR950017883A/en
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Publication of KR960008642B1 publication Critical patent/KR960008642B1/en

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    • 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
    • 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)

Abstract

본 발명은 수분 및 불화수소(HF)를 함유하는, 특히 미량의 수분 및 HF를 함유하는 1,1,1,2-테트라플루오로에탄(HFC-l34a) 혼합물에서 순수한 HFC-134a를 고순도로 정제하는 공정에 관한 것이다.The present invention purifies pure HFC-134a with high purity in a mixture of 1,1,1,2-tetrafluoroethane (HFC-l34a) containing water and hydrogen fluoride (HF), especially trace amounts of water and HF. It is about the process to make.

Description

1, 1, 1, 2-테트라플루오로에탄의 고순도 정제 방법High Purity Purification Method of 1, 1, 1, 2-tetrafluoroethane

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

1. 1, 1, 1, 2-테트라플루오로에탄(HFC-134a)를 고순도로 정제하기 위하여, HFC-134a 정제탑으로부터 탑정 제품을 분리하여 중화 및 건조하여 불화수소(HF)를 제거하고, 탑정 제품을 분리하여 건조시켜 수분을 제거하는 것으로 이루어지는 HFC-134a의 고순도 정제방법.1. In order to purify 1, 1, 1, 2-tetrafluoroethane (HFC-134a) with high purity, the top product was separated from the HFC-134a purification column, neutralized and dried to remove hydrogen fluoride (HF), A high purity purification method of HFC-134a comprising separating and drying a tower product to remove moisture. 제1항에 있어서, 상기 정제를 위한 HFC-134a가 HF 100ppm이하 및/또는 수분 100ppm이하를 함유하는 것을 특징인 정제방법.The method according to claim 1, wherein the HFC-134a for purification contains 100 ppm or less of HF and / or 100 ppm or less of water. 제2항에 있어서, 상기 정제를 위한 HFC-l34a가 저비점화합물을 함유하는 것이 특징인 정제방법.The purification method according to claim 2, wherein the HFC-l34a for purification contains a low boiling point compound. 제2항에 있어서,상기 정제탑이 1-10kg/cm"이하의 압력에서 운전되는 것이 특징인 정제방법.The method of claim 2, wherein the purification tower is operated at a pressure of 1-10 kg / cm or less. 제3항에 있어서, 상기 정제탑이 15kg/㎠이하의 압력에서 운전되는 것이 특징인 정제방법.The method of claim 3, wherein the purification tower is operated at a pressure of 15 kg / cm 2 or less. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR93026521A 1993-12-04 1993-12-04 High purification of 1,1,1,2-tetra-fluoromethane KR960008642B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR93026521A KR960008642B1 (en) 1993-12-04 1993-12-04 High purification of 1,1,1,2-tetra-fluoromethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR93026521A KR960008642B1 (en) 1993-12-04 1993-12-04 High purification of 1,1,1,2-tetra-fluoromethane

Publications (2)

Publication Number Publication Date
KR950017883A true KR950017883A (en) 1995-07-20
KR960008642B1 KR960008642B1 (en) 1996-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR93026521A KR960008642B1 (en) 1993-12-04 1993-12-04 High purification of 1,1,1,2-tetra-fluoromethane

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Publication number Publication date
KR960008642B1 (en) 1996-06-28

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