DE69923839D1 - Verfahren zur reindarstellung von terephthalsäure und isophthalsäure aus xylolgemischen - Google Patents
Verfahren zur reindarstellung von terephthalsäure und isophthalsäure aus xylolgemischenInfo
- 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
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)
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)
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)
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 |
-
1999
- 1999-05-18 BR BR9910817-8A patent/BR9910817A/pt not_active IP Right Cessation
- 1999-05-18 KR KR1020007013443A patent/KR100552262B1/ko not_active IP Right Cessation
- 1999-05-18 EP EP99923195A patent/EP1082286B1/de not_active Expired - Lifetime
- 1999-05-18 TR TR2001/00191T patent/TR200100191T2/xx unknown
- 1999-05-18 DE DE69923839T patent/DE69923839T2/de not_active Expired - Fee Related
- 1999-05-18 IL IL13997399A patent/IL139973A0/xx active IP Right Grant
- 1999-05-18 AU AU40021/99A patent/AU4002199A/en not_active Abandoned
- 1999-05-18 CA CA002333706A patent/CA2333706A1/en not_active Abandoned
- 1999-05-18 WO PCT/US1999/010970 patent/WO1999062857A1/en active IP Right Grant
- 1999-05-18 ID IDW20002488A patent/ID28612A/id unknown
- 1999-05-18 ES ES99923195T patent/ES2237914T3/es not_active Expired - Lifetime
- 1999-05-18 CN CNB998090468A patent/CN1191224C/zh not_active Expired - Fee Related
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 |