KR880005064A - 고순도 테레프탈산의 제조방법 - Google Patents

고순도 테레프탈산의 제조방법 Download PDF

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Publication number
KR880005064A
KR880005064A KR870011524A KR870011524A KR880005064A KR 880005064 A KR880005064 A KR 880005064A KR 870011524 A KR870011524 A KR 870011524A KR 870011524 A KR870011524 A KR 870011524A KR 880005064 A KR880005064 A KR 880005064A
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KR
South Korea
Prior art keywords
terephthalic acid
high purity
producing high
purity terephthalic
crude terephthalic
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Application number
KR870011524A
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English (en)
Other versions
KR960006666B1 (ko
Inventor
시게미 시라끼
겡이찌 미즈노
Original Assignee
다께바야시 쇼오고
미쯔이세끼유 가가꾸고오교오 가부시기가이샤
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Application filed by 다께바야시 쇼오고, 미쯔이세끼유 가가꾸고오교오 가부시기가이샤 filed Critical 다께바야시 쇼오고
Publication of KR880005064A publication Critical patent/KR880005064A/ko
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Publication of KR960006666B1 publication Critical patent/KR960006666B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음

Description

고순도 테레프탈산의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 실시하기 위한 제조장치를 도시한 계통도

Claims (4)

  1. 파라디알킬벤젠의 산화에 의해 얻게된 조 테레프탈산의 고온수성 용액을, (A)산소함유 가스분위기하에서, 또한 조 테레프탈산에 함유되는 4-카르복시벤즈 알데히드 1몰에 대한 산소의 공급량을 0.4내지 10몰의 범위로하는 조건하에서 산화처리하고, 이어서(B)수소에 의해 처리하는 것을 특징으로하는 고순도 테레프탈산의 제조방법.
  2. 제1항에 있어서, 조 테레프탈산이 4-카르복시벤즈 알데히드를 1,000ppm 이상 함유한 고순도 테레프탈산의 제조방법.
  3. 제1항 또는 제2항에 있어서, 산화처리는 조테레프탈산의 농도 100내지 700g/l, 온도 230내지 300℃, 압력30 내지 100kg/cm3, 체류시간 2내지 50분간에 있어서는 행하는 고순도 레테프탈산의 제조방법.
  4. 제1항 내지 제3항의 어느 한 항에 있어서, 수소처리는 온도 270 내지 300℃, 수소분압 5내지 15kg/cm2, 처리시간 20내지 50분간에서 행하는 고순도 테레프탈산의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870011524A 1986-10-20 1987-10-17 고순도 테레프탈산의 제조방법 KR960006666B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP247500 1986-10-20
JP61247500A JPH078823B2 (ja) 1986-10-20 1986-10-20 高純度テレフタル酸の製造方法
JP61-247500 1986-10-20

Publications (2)

Publication Number Publication Date
KR880005064A true KR880005064A (ko) 1988-06-27
KR960006666B1 KR960006666B1 (ko) 1996-05-22

Family

ID=17164390

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870011524A KR960006666B1 (ko) 1986-10-20 1987-10-17 고순도 테레프탈산의 제조방법

Country Status (7)

Country Link
EP (1) EP0265137B1 (ko)
JP (1) JPH078823B2 (ko)
KR (1) KR960006666B1 (ko)
CN (1) CN1022182C (ko)
CA (1) CA1296742C (ko)
DE (1) DE3788555T2 (ko)
IN (1) IN168544B (ko)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933492A (en) * 1988-10-13 1990-06-12 Amoco Corporation Purification of crude isophthalic acid
DE4300297C2 (de) * 1993-01-08 1998-01-29 Degussa Verfahren zur selektiven katalytischen Hydrierung der Carbonylgruppe von 4-Carboxylbenzaldehyd
KR100264749B1 (ko) * 1997-02-17 2000-09-01 나까니시 히로유끼 고순도 테레프탈산의 제조 방법
US7683210B2 (en) 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
ES2551479T3 (es) * 2004-09-02 2015-11-19 Grupo Petrotemex, S.A. De C.V. Oxidación en fase líquida optimizada
US7361784B2 (en) * 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
BRPI0514756A (pt) * 2004-09-02 2008-06-24 Eastman Chem Co processo para produzir ácidos dicarboxìlicos aromáticos, e, aparelhagem
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US20060047153A1 (en) * 2004-09-02 2006-03-02 Wonders Alan G Optimized liquid-phase oxidation
US7568361B2 (en) 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
JP5031354B2 (ja) * 2006-12-15 2012-09-19 三井化学株式会社 高純度テレフタル酸の製造方法
RU2695221C2 (ru) * 2013-12-30 2019-07-22 Бипи Корпорейшен Норт Америка Инк. Находящиеся под давлением сырьевые смеси, содержащие неочищенные ароматические карбоновые кислоты
US9394223B2 (en) * 2013-12-31 2016-07-19 Bp Corporation North America Inc. Oxidation process for preparing purified aromatic carboxylic acids

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
JPS52122333A (en) * 1976-04-06 1977-10-14 Kuraray Yuka Kk Preparation of highly pure terephthalic acid by reoxidation process
US4476242A (en) * 1981-10-29 1984-10-09 Standard Oil Company (Indiana) Process for preparing palladium on carbon catalysts for purification of crude terephthalic acid
JPS58116439A (ja) * 1981-12-28 1983-07-11 Mitsubishi Gas Chem Co Inc 高純度芳香族ポリカルボン酸の製造法

Also Published As

Publication number Publication date
CN1022182C (zh) 1993-09-22
IN168544B (ko) 1991-04-20
JPS63104941A (ja) 1988-05-10
KR960006666B1 (ko) 1996-05-22
CN87107051A (zh) 1988-05-04
EP0265137A2 (en) 1988-04-27
CA1296742C (en) 1992-03-03
EP0265137B1 (en) 1993-12-22
JPH078823B2 (ja) 1995-02-01
DE3788555T2 (de) 1994-04-21
EP0265137A3 (en) 1989-07-26
DE3788555D1 (de) 1994-02-03

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