ES2067863T3 - Proceso para la produccion de acido isoftalico altamente puro. - Google Patents
Proceso para la produccion de acido isoftalico altamente puro.Info
- Publication number
- ES2067863T3 ES2067863T3 ES91304457T ES91304457T ES2067863T3 ES 2067863 T3 ES2067863 T3 ES 2067863T3 ES 91304457 T ES91304457 T ES 91304457T ES 91304457 T ES91304457 T ES 91304457T ES 2067863 T3 ES2067863 T3 ES 2067863T3
- Authority
- ES
- Spain
- Prior art keywords
- isophthalic acid
- production
- treat
- highly pure
- liquid phase
- 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 - Lifetime
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- 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)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
SE DESCRIBE UN PROCESO PARA PRODUCIR ACIDO ISOFTALICO MUY PURO QUE COMPRENDE (A) LLEVAR A CABO LA OXIDACION DE LA FASE LIQUIDA DE UN M-DIALQUIL BENCENO CON OXIGENO MOLECULAR EN UN SOLVENTE DE ACIDO ACETICO EN PRESENCIA DE UN CATALIZADOR DE METAL PESADO PARA FORMAR ACIDO ISOFTALICO EN CRUDO, (B) TRATAR POR CONTACTO EL ACIDO ISOFTALICO EN CRUDO RESULTANTE CON UN CATALIZADOR DE METAL NOBLE PERTENECIENTE AL GRUPO VII DE LA TABLA PERIODICA SOSTENIDO POR CARBON ACTIVADO EN PRESENCIA DE HIDROGENO, Y LUEGO (C) SEPARAR EL CRISTAL DE ACIDO ISOFTALICO DEPOSITADO Y (D) TRATAR POR FILTRACION EL LIQUIDO MADRE SEPARADO Y (E) HACER RECIRCULAR EL LIQUIDO MADRE ASI TRATADO EN EL PASO DE OXIDACION DE LA FASE LIQUIDA (A) PARA REUTILIZARLO COMO UN SOLVENTE EN EL PASO (A).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2125437A JP2893860B2 (ja) | 1990-05-17 | 1990-05-17 | 高純度イソフタル酸の製造法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2067863T3 true ES2067863T3 (es) | 1995-04-01 |
Family
ID=14910070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91304457T Expired - Lifetime ES2067863T3 (es) | 1990-05-17 | 1991-05-17 | Proceso para la produccion de acido isoftalico altamente puro. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5189209A (es) |
EP (1) | EP0457606B1 (es) |
JP (1) | JP2893860B2 (es) |
DE (1) | DE69105615T2 (es) |
ES (1) | ES2067863T3 (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
US5929274A (en) * | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
US6013835A (en) * | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
US6054610A (en) * | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
JP3757995B2 (ja) * | 1996-07-12 | 2006-03-22 | 三菱瓦斯化学株式会社 | 高純度イソフタル酸の製造方法 |
KR100398160B1 (ko) * | 1999-09-07 | 2003-09-19 | 미쓰이 가가쿠 가부시키가이샤 | 방향족 카복실산의 제조 방법 |
US6740776B2 (en) | 2001-07-16 | 2004-05-25 | Novartis Ag | Air oxidation of an aromatic aldehyde to an aromatic acid |
RU2458042C2 (ru) * | 2010-03-01 | 2012-08-10 | Общество с ограниченной ответственностью "НИПИМ-Новые химические технологии" (ООО "НИПИМ-НХИМТЕХ") | Способ получения и очистки изофталевой кислоты |
CN103121940B (zh) * | 2011-11-18 | 2015-11-18 | 中国石油化工股份有限公司 | 加氢处理粗间苯二甲酸方法 |
ES2833165T3 (es) * | 2015-06-05 | 2021-06-14 | Furanix Technologies Bv | Proceso para la preparación de una composición ácida purificada |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE656940A (es) * | 1963-12-11 | |||
GB1152575A (en) * | 1965-05-17 | 1969-05-21 | Standard Oil Co | Purification of Aromatic Polycarboxylic Acids. |
JPS5132618B1 (es) * | 1965-05-17 | 1976-09-14 | ||
US3974214A (en) * | 1974-02-27 | 1976-08-10 | Atlantic Richfield Company | Isophthalic acid manufacture |
BE847474A (fr) * | 1975-10-24 | 1977-04-20 | Oxydation secondaire d'un effluent fluide de l'oxydation primaire du m-xylene ou du p-xylene, | |
AU510097B2 (en) * | 1976-07-26 | 1980-06-05 | Standard Oil Company | reparing iso or terphthalic acid |
US4675438A (en) * | 1978-11-17 | 1987-06-23 | Amoco Corporation | Direct continuous flow integration of production and purification of high purity iso- or terephthalic acid |
US4259522A (en) * | 1979-12-17 | 1981-03-31 | Labofina S.A. | Process for the production of isophtahalic acid |
US4827026A (en) * | 1987-11-24 | 1989-05-02 | Amoco Corporation | Method for producing 5-t-butylisophthalic acid |
US4933492A (en) * | 1988-10-13 | 1990-06-12 | Amoco Corporation | Purification of crude isophthalic acid |
US4937378A (en) * | 1989-10-13 | 1990-06-26 | Amoco Corporation | Purification of crude isophthalic acid |
-
1990
- 1990-05-17 JP JP2125437A patent/JP2893860B2/ja not_active Expired - Fee Related
-
1991
- 1991-05-17 DE DE69105615T patent/DE69105615T2/de not_active Expired - Fee Related
- 1991-05-17 US US07/701,853 patent/US5189209A/en not_active Expired - Lifetime
- 1991-05-17 ES ES91304457T patent/ES2067863T3/es not_active Expired - Lifetime
- 1991-05-17 EP EP91304457A patent/EP0457606B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5189209A (en) | 1993-02-23 |
JP2893860B2 (ja) | 1999-05-24 |
DE69105615D1 (de) | 1995-01-19 |
JPH0421653A (ja) | 1992-01-24 |
EP0457606A1 (en) | 1991-11-21 |
DE69105615T2 (de) | 1995-05-11 |
EP0457606B1 (en) | 1994-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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