DE69522590T2 - Verfahren zur herstellung von terephthalsäure - Google Patents

Verfahren zur herstellung von terephthalsäure

Info

Publication number
DE69522590T2
DE69522590T2 DE69522590T DE69522590T DE69522590T2 DE 69522590 T2 DE69522590 T2 DE 69522590T2 DE 69522590 T DE69522590 T DE 69522590T DE 69522590 T DE69522590 T DE 69522590T DE 69522590 T2 DE69522590 T2 DE 69522590T2
Authority
DE
Germany
Prior art keywords
terephthalic acid
producing terephthalic
producing
acid
terephthalic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69522590T
Other languages
English (en)
Other versions
DE69522590D1 (de
Inventor
Duk Roh
Dongmok Bae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SK Discovery Co Ltd
Original Assignee
Sunkyung Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sunkyung Industries Ltd filed Critical Sunkyung Industries Ltd
Publication of DE69522590D1 publication Critical patent/DE69522590D1/de
Application granted granted Critical
Publication of DE69522590T2 publication Critical patent/DE69522590T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69522590T 1995-12-30 1995-12-30 Verfahren zur herstellung von terephthalsäure Expired - Fee Related DE69522590T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR1995/000186 WO1997024311A1 (en) 1995-12-30 1995-12-30 Process for manufacturing terephthalic acid

Publications (2)

Publication Number Publication Date
DE69522590D1 DE69522590D1 (de) 2001-10-11
DE69522590T2 true DE69522590T2 (de) 2002-07-11

Family

ID=19406468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522590T Expired - Fee Related DE69522590T2 (de) 1995-12-30 1995-12-30 Verfahren zur herstellung von terephthalsäure

Country Status (5)

Country Link
US (1) US6310239B1 (de)
EP (1) EP0871603B1 (de)
JP (1) JP3032907B2 (de)
DE (1) DE69522590T2 (de)
WO (1) WO1997024311A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1402942B8 (de) * 2001-05-15 2010-04-14 Mitsubishi Chemical Corporation Verfahren zur herstellung einer verbindung
US8173836B2 (en) * 2006-03-01 2012-05-08 Grupo Petrotemex, S.A. De C.V. Method and apparatus for drying carboxylic acid
US8697906B2 (en) * 2006-03-01 2014-04-15 Grupo Petrotemex, S.A. De C.V. Methods and apparatus for producing a low-moisture carboxylic acid wet cake
CN100436348C (zh) * 2006-10-13 2008-11-26 浙江大学 一种色纤碱减量废水的处理与回收工艺
CN103387300A (zh) * 2013-07-23 2013-11-13 苏州英特工业水处理工程有限公司 一种印染碱减量废水膜回收对苯二甲酸及氢氧化钠的方法
CN105001080A (zh) * 2015-09-02 2015-10-28 刘健 一种使用氧化钇回收涤纶碱减量废渣中对苯二甲酸的方法
CN105152923A (zh) * 2015-09-02 2015-12-16 刘健 一种优化工艺的回收对苯二甲酸的方法

Family Cites Families (10)

* 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
DE2045747B2 (de) * 1970-09-16 1978-09-07 Basf Ag, 6700 Ludwigshafen Verfahren zur Reinigung von Terephthalsäure
US3952053A (en) 1974-02-26 1976-04-20 Safetech, Inc. Method for recovering terephthalic acid and ethylene glycol from polyester materials
US4467111A (en) * 1981-10-29 1984-08-21 Standard Oil Company (Indiana) Process for purification of crude terephthalic acid
JPS60216884A (ja) * 1984-04-10 1985-10-30 Teijin Eng Kk ポリエステル繊維のアルカリ加工廃液から有効成分を回収する方法
JPS60233033A (ja) * 1984-05-02 1985-11-19 Mitsubishi Chem Ind Ltd テレフタル酸の回収法
JPS6143139A (ja) * 1984-08-03 1986-03-01 Mitsubishi Chem Ind Ltd テレフタル酸の回収法
KR920000416B1 (ko) 1989-10-13 1992-01-13 재단법인 한국화학연구소 고순도 테레프탈산의 제조방법
US5110984A (en) * 1990-11-06 1992-05-05 Amoco Corporation Process for increasing the yield of purified isophthalic acid and reducing waste-water treatment a
GB9102393D0 (en) * 1991-02-05 1991-03-20 Ici Plc Production of terephthalic acid

Also Published As

Publication number Publication date
US6310239B1 (en) 2001-10-30
DE69522590D1 (de) 2001-10-11
JP3032907B2 (ja) 2000-04-17
EP0871603B1 (de) 2001-09-05
JPH11502869A (ja) 1999-03-09
WO1997024311A1 (en) 1997-07-10
EP0871603A1 (de) 1998-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee