ES2048427T3 - Purificacion de acido isoftalico en bruto. - Google Patents
Purificacion de acido isoftalico en bruto.Info
- Publication number
- ES2048427T3 ES2048427T3 ES90302349T ES90302349T ES2048427T3 ES 2048427 T3 ES2048427 T3 ES 2048427T3 ES 90302349 T ES90302349 T ES 90302349T ES 90302349 T ES90302349 T ES 90302349T ES 2048427 T3 ES2048427 T3 ES 2048427T3
- Authority
- ES
- Spain
- Prior art keywords
- isophthalic acid
- purification
- raw
- hydrogenation
- purified
- 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)
Abstract
LAS SOLUCIONES DE ACIDO ISOFTALICO CRUDO SE PURIFICAN MEDIANTE LA HIDROGENACION EN PRESENCIA DE UN CATALIZADOR QUE CONTIENE DOS COMPONENTES DEL GRUPO VIII CONTENIENDO DE METALES NOBLES.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25751188A | 1988-10-13 | 1988-10-13 | |
US07/419,656 US4933492A (en) | 1988-10-13 | 1989-10-11 | Purification of crude isophthalic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2048427T3 true ES2048427T3 (es) | 1994-03-16 |
Family
ID=26946019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90302349T Expired - Lifetime ES2048427T3 (es) | 1988-10-13 | 1990-03-06 | Purificacion de acido isoftalico en bruto. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4933492A (es) |
EP (1) | EP0445446B1 (es) |
AU (1) | AU618882B2 (es) |
ES (1) | ES2048427T3 (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4933492A (en) * | 1988-10-13 | 1990-06-12 | Amoco Corporation | Purification of crude isophthalic acid |
JP2893860B2 (ja) * | 1990-05-17 | 1999-05-24 | 三菱瓦斯化学株式会社 | 高純度イソフタル酸の製造法 |
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 |
US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic 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 |
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 |
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 |
US8492583B2 (en) * | 2004-12-13 | 2013-07-23 | Bp Corporation North America Inc. | Process for purification of aromatic carboxylic acids |
CN101121127A (zh) * | 2006-08-11 | 2008-02-13 | 中国石油化工股份有限公司 | 负载型钯/碳催化剂的制备方法 |
WO2011041151A2 (en) | 2009-09-30 | 2011-04-07 | Bp Corporation North America Inc. | Catalyst, use thereof and process for hydrogenating aryl aldehydes |
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 |
CN103121938B (zh) * | 2011-11-18 | 2015-10-21 | 中国石油化工股份有限公司 | 加氢精制后的间苯二甲酸的处理方法 |
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 |
CN103121945B (zh) * | 2011-11-18 | 2015-04-08 | 中国石油化工股份有限公司 | 加氢精制后的对苯二甲酸的处理方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3151154A (en) * | 1959-01-29 | 1964-09-29 | Richfield Oil Corp | Decolorizing phthalic acids |
JPS5132618B1 (es) * | 1965-05-17 | 1976-09-14 | ||
US3584039A (en) * | 1967-08-30 | 1971-06-08 | Standard Oil Co | Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid |
US3726915A (en) * | 1970-07-13 | 1973-04-10 | Standard Oil Co | Phthalic acid purification with copper activated palladium on carbon catalysts |
US4394299A (en) * | 1981-10-29 | 1983-07-19 | Standard Oil Company (Indiana) | Palladium-rhodium catalyst for purification of crude terephthalic acid |
US4467110A (en) * | 1981-10-29 | 1984-08-21 | Standard Oil Company (Indiana) | Process for purification of crude terephthalic acid |
US4405809A (en) * | 1981-12-04 | 1983-09-20 | Standard Oil Company (Indiana) | Process for the manufacture of aromatic polycarboxylic acids having delta Y values below ten |
US4626598A (en) * | 1985-06-17 | 1986-12-02 | Amoco Corporation | Purification of terephthalic acid |
JPH078823B2 (ja) * | 1986-10-20 | 1995-02-01 | 三井石油化学工業株式会社 | 高純度テレフタル酸の製造方法 |
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 |
-
1989
- 1989-10-11 US US07/419,656 patent/US4933492A/en not_active Expired - Lifetime
-
1990
- 1990-03-06 AU AU50759/90A patent/AU618882B2/en not_active Ceased
- 1990-03-06 EP EP90302349A patent/EP0445446B1/en not_active Expired - Lifetime
- 1990-03-06 ES ES90302349T patent/ES2048427T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0445446B1 (en) | 1994-01-19 |
AU618882B2 (en) | 1992-01-09 |
EP0445446A1 (en) | 1991-09-11 |
AU5075990A (en) | 1991-09-12 |
US4933492A (en) | 1990-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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