KR950014049A - Process for preparing ethylene glycol by hydration of ethylene oxide - Google Patents

Process for preparing ethylene glycol by hydration of ethylene oxide Download PDF

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Publication number
KR950014049A
KR950014049A KR1019930024572A KR930024572A KR950014049A KR 950014049 A KR950014049 A KR 950014049A KR 1019930024572 A KR1019930024572 A KR 1019930024572A KR 930024572 A KR930024572 A KR 930024572A KR 950014049 A KR950014049 A KR 950014049A
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South Korea
Prior art keywords
ethylene glycol
hydration
ethylene oxide
present
heteropoly acid
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KR1019930024572A
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Korean (ko)
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KR960008643B1 (en
Inventor
송인규
강신이
Original Assignee
황선두
삼성종합화학 주식회사
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Priority to KR93024572A priority Critical patent/KR960008643B1/en
Publication of KR950014049A publication Critical patent/KR950014049A/en
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Publication of KR960008643B1 publication Critical patent/KR960008643B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18—Polyhydroxylic acyclic alcohols
    • C07C31/20—Dihydroxylic alcohols

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

본 발명은 에틸렌옥사이드의 수화에 의한 에틸렌글리콜의 제조방법에 관한 것이다.The present invention relates to a method for producing ethylene glycol by hydration of ethylene oxide.

본 발명에 따른 에틸렌글리콜의 제조방법은 12-헤테로폴리산을 촉매로 사용하여 에틸렌 옥사이드를 수화시킴을 특징으로 한다.The method for preparing ethylene glycol according to the present invention is characterized in that ethylene oxide is hydrated using 12-heteropoly acid as a catalyst.

본 발명에 촉매로 사용되는 12-헤테로폴리산의 구조식은 다음과 같다. HxM3-xPWyMo12-yO40또는 HuM4-uSiWvMo12-vO40 The structural formula of 12-heteropoly acid used as a catalyst in the present invention is as follows. HxM 3 -xPWyMo 12 -yO 40 or HuM 4 -uSiWvMo 12 -vO 40

본 발명에 따른 에틸렌글리콜의 제조방법에 의하여 모노에틸렌 글리콜의 수율을 증대시킬 수 있다.By the method for producing ethylene glycol according to the present invention it is possible to increase the yield of monoethylene glycol.

Description

에틸렌 옥사이드의 수화에 의한 에틸렌 글리콜의 제조방법Process for preparing ethylene glycol by hydration of ethylene oxide

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

Claims (4)

12-헤테로폴리산을 촉매로 사용하는 에틸렌 옥사이드의 수화반응에 의한 에틸렌 글리콜의 제조방법.Method for producing ethylene glycol by hydration of ethylene oxide using 12-heteropolyacid as a catalyst. 제1항에 있어서, 12-헤테로폴리산은 다음의 구조식을 갖는 것임을 특징으로 하는 에틸렌 글리콜의 제조방법.The method for producing ethylene glycol according to claim 1, wherein the 12-heteropoly acid has the following structural formula. HxM3-xPWyMo12-yO40또는 Hum4-uSiWvMo12-vO40 H x M 3-x PW y M o12-y O 40 or H u m 4-u SiW v M o12-v O 40 여기에서 x=0-3, y=0-12, u=0-4, v=0-12 사이의 숫자를 의미하며, M은 수소의 일부 혹은 전부가 치환된 금속염을 의미한다.Here, x = 0-3, y = 0-12, u = 0-4, v = 0-12 means a number, M means a metal salt in which part or all of hydrogen is substituted. 제1항에 있어서, 반응온도는 100-200℃ 임을 특징으로 하는 에틸렌 글리콜의 제조방법.The method of claim 1, wherein the reaction temperature is 100-200 ℃ manufacturing method of ethylene glycol. 제1항에 있어서, 12-헤테로폴리산의 사용량은 반응물인 에틸렌 옥사이드에 대하여 0.01-10중량%임을 특징으로 하는 에틸렌 글리콜의 제조방법.The method of claim 1, wherein the amount of 12-heteropoly acid used is 0.01-10% by weight based on the reactant ethylene oxide. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR93024572A 1993-11-17 1993-11-17 Preparation of ethylene glycol by hydrolysis of ethylene oxide KR960008643B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR93024572A KR960008643B1 (en) 1993-11-17 1993-11-17 Preparation of ethylene glycol by hydrolysis of ethylene oxide

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Application Number Priority Date Filing Date Title
KR93024572A KR960008643B1 (en) 1993-11-17 1993-11-17 Preparation of ethylene glycol by hydrolysis of ethylene oxide

Publications (2)

Publication Number Publication Date
KR950014049A true KR950014049A (en) 1995-06-15
KR960008643B1 KR960008643B1 (en) 1996-06-28

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JP4877045B2 (en) * 2007-04-25 2012-02-15 トヨタ自動車株式会社 Method for decomposing plant fiber materials

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