DE69923839D1 - Verfahren zur reindarstellung von terephthalsäure und isophthalsäure aus xylolgemischen - Google Patents

Verfahren zur reindarstellung von terephthalsäure und isophthalsäure aus xylolgemischen

Info

Publication number
DE69923839D1
DE69923839D1 DE69923839T DE69923839T DE69923839D1 DE 69923839 D1 DE69923839 D1 DE 69923839D1 DE 69923839 T DE69923839 T DE 69923839T DE 69923839 T DE69923839 T DE 69923839T DE 69923839 D1 DE69923839 D1 DE 69923839D1
Authority
DE
Germany
Prior art keywords
acid
treephthalic
representation
isophthalic acid
xylol
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
DE69923839T
Other languages
English (en)
Other versions
DE69923839T2 (de
Inventor
Fu-Ming Lee
Wiston Lamshing
Wright Wytcherley
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.)
GTC Technology Inc
Original Assignee
GTC Technology Inc
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
Priority claimed from US09/097,930 external-priority patent/US6054610A/en
Application filed by GTC Technology Inc filed Critical GTC Technology Inc
Publication of DE69923839D1 publication Critical patent/DE69923839D1/de
Application granted granted Critical
Publication of DE69923839T2 publication Critical patent/DE69923839T2/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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69923839T 1998-05-29 1999-05-18 Verfahren zur reindarstellung von terephthalsäure und isophthalsäure aus xylolgemischen Expired - Fee Related DE69923839T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8714198P 1998-05-29 1998-05-29
US87141P 1998-05-29
US09/097,930 US6054610A (en) 1995-06-07 1998-06-16 Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US97930 1998-06-16
PCT/US1999/010970 WO1999062857A1 (en) 1998-05-29 1999-05-18 Method for preparing purified terephthalic acid and isophthalic acid from mixed xylenes

Publications (2)

Publication Number Publication Date
DE69923839D1 true DE69923839D1 (de) 2005-03-31
DE69923839T2 DE69923839T2 (de) 2005-08-25

Family

ID=26776644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69923839T Expired - Fee Related DE69923839T2 (de) 1998-05-29 1999-05-18 Verfahren zur reindarstellung von terephthalsäure und isophthalsäure aus xylolgemischen

Country Status (12)

Country Link
EP (1) EP1082286B1 (de)
KR (1) KR100552262B1 (de)
CN (1) CN1191224C (de)
AU (1) AU4002199A (de)
BR (1) BR9910817A (de)
CA (1) CA2333706A1 (de)
DE (1) DE69923839T2 (de)
ES (1) ES2237914T3 (de)
ID (1) ID28612A (de)
IL (1) IL139973A0 (de)
TR (1) TR200100191T2 (de)
WO (1) WO1999062857A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0509733A (pt) 2004-04-09 2007-09-25 Gtc Technology Inc métodos para purificar um ácido carboxìlico a partir de uma mistura, para recuperar o ácido tereftálico purificado a partir do efluente de um processo de produção de ácido tereftálico e para oxidar 4-carboxibenzaldeìdo e/ou o 3-carboxibenzaldeìdo
KR100657744B1 (ko) * 2005-01-26 2006-12-13 주식회사 엘지화학 테레프탈알데히드의 정제방법
EP2024083A2 (de) 2006-05-08 2009-02-18 BP Corporation North America Inc. Verfahren und katalysator zum oxidieren aromatischer verbindungen
GB0806422D0 (en) 2008-04-09 2008-05-14 Ineos Fluor Holdings Ltd Process
JP5416587B2 (ja) 2006-10-03 2014-02-12 メキシケム、アマンコ、ホールディング、ソシエダッド、アノニマ、デ、カピタル、バリアブレ プロセス
GB0706978D0 (en) 2007-04-11 2007-05-16 Ineos Fluor Holdings Ltd Process
MX2009011896A (es) 2007-05-04 2009-11-12 Bp Corp North America Inc Proceso y catalizador para oxidar compuestos aromaticos.
GB0806389D0 (en) 2008-04-09 2008-05-14 Ineos Fluor Holdings Ltd Process
GB0806419D0 (en) 2008-04-09 2008-05-14 Ineos Fluor Holdings Ltd Process
US9493388B2 (en) 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with direct fired off-gas heating
US9493387B2 (en) 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with minimal wastewater generation
US9505692B2 (en) 2008-10-31 2016-11-29 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with self-fuel oxidative destruction
US20100113735A1 (en) * 2008-10-31 2010-05-06 Eastman Chemical Company Integrated Co-Production of Dicarboxylic Acids
US9493389B2 (en) 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with enhanced energy recovery
GB0906191D0 (en) 2009-04-09 2009-05-20 Ineos Fluor Holdings Ltd Process
CN106565466A (zh) * 2015-10-09 2017-04-19 中国石化仪征化纤有限责任公司 一种精对苯二甲酸的制造方法
GB201615197D0 (en) 2016-09-07 2016-10-19 Mexichem Fluor Sa De Cv Catalyst and process using the catalyst
GB201615209D0 (en) 2016-09-07 2016-10-19 Mexichem Fluor Sa De Cv Catalyst and process using the catalyst
DE102020123772B4 (de) * 2020-09-11 2022-08-25 Rittec Umwelttechnik Gmbh Verfahren zur Herstellung eines Terephthalsäure-Gemisches

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949483A (en) * 1954-07-30 1960-08-16 Chemstrand Corp Method of purifying aromatic dicarboxylic acids
GB818211A (en) * 1955-11-08 1959-08-12 Hoechst Ag Manufacture of pure terephthalic acid
GB849189A (en) * 1958-03-26 1960-09-21 Basf Ag Improvements in the purification of crude terephthalic acid
US5840968A (en) * 1995-06-07 1998-11-24 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid

Also Published As

Publication number Publication date
EP1082286A1 (de) 2001-03-14
IL139973A0 (en) 2002-02-10
TR200100191T2 (tr) 2001-05-21
KR100552262B1 (ko) 2006-02-20
KR20010043917A (ko) 2001-05-25
CA2333706A1 (en) 1999-12-09
ID28612A (id) 2001-06-21
CN1191224C (zh) 2005-03-02
EP1082286B1 (de) 2005-02-23
WO1999062857A1 (en) 1999-12-09
AU4002199A (en) 1999-12-20
ES2237914T3 (es) 2005-08-01
CN1314878A (zh) 2001-09-26
BR9910817A (pt) 2001-02-13
DE69923839T2 (de) 2005-08-25

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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