GB1152575A - Purification of Aromatic Polycarboxylic Acids. - Google Patents
Purification of Aromatic Polycarboxylic Acids.Info
- Publication number
- GB1152575A GB1152575A GB2165466A GB2165466A GB1152575A GB 1152575 A GB1152575 A GB 1152575A GB 2165466 A GB2165466 A GB 2165466A GB 2165466 A GB2165466 A GB 2165466A GB 1152575 A GB1152575 A GB 1152575A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polycarboxylic acids
- aromatic polycarboxylic
- purification
- acid
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45621965A | 1965-05-17 | 1965-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1152575A true GB1152575A (en) | 1969-05-21 |
Family
ID=23811931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2165466A Expired GB1152575A (en) | 1965-05-17 | 1966-05-16 | Purification of Aromatic Polycarboxylic Acids. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5138698B1 (de) |
AT (1) | AT290507B (de) |
BE (1) | BE681180A (de) |
CH (1) | CH457397A (de) |
DE (1) | DE1593540A1 (de) |
DK (1) | DK125171B (de) |
ES (1) | ES326853A1 (de) |
GB (1) | GB1152575A (de) |
SE (1) | SE350966B (de) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0502628A2 (de) * | 1991-03-07 | 1992-09-09 | Imperial Chemical Industries Plc | Verfahren zur Herstellung von Terephthalsäure |
US5189209A (en) * | 1990-05-17 | 1993-02-23 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure isophthalic acid |
WO2002098836A1 (en) * | 2001-06-04 | 2002-12-12 | Eastman Chemical Company | Process for the production of purified terephthalic acid |
US7326808B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
US7326807B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced heating for oxidative digestion |
US7342128B2 (en) | 2003-04-25 | 2008-03-11 | Eastman Chemical Company | Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam |
US7393973B2 (en) | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
US7420082B2 (en) | 2006-03-01 | 2008-09-02 | Eastman Chemical Company | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion |
US7485747B2 (en) | 2001-06-04 | 2009-02-03 | Eastman Chemical Company | Two stage oxidation process for the production of aromatic dicarboxylic acids |
US7501537B2 (en) | 2006-03-01 | 2009-03-10 | Eastman Chemical Company | Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange |
US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion |
US7816556B2 (en) | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
US7829037B2 (en) | 2006-03-01 | 2010-11-09 | Eastman Chemical Company | Oxidation system with sidedraw secondary reactor |
CN103288632A (zh) * | 2013-06-19 | 2013-09-11 | 中国石油化工股份有限公司 | 一种粗均苯三甲酸精制的方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5449820A (en) * | 1994-03-15 | 1995-09-12 | Mitsubishi Chemical Corporation | Method of preparing high purity 2,6-naphthalene dicarboxylic acid |
US8178716B2 (en) * | 2006-05-08 | 2012-05-15 | Mitsubishi Gas Chemical Company, Inc. | Method of crystallization |
CN113105056A (zh) * | 2021-04-14 | 2021-07-13 | 新疆中泰创新技术研究院有限责任公司 | 精对苯二甲酸废水资源化利用的方法 |
-
1966
- 1966-05-16 GB GB2165466A patent/GB1152575A/en not_active Expired
- 1966-05-17 CH CH713066A patent/CH457397A/fr unknown
- 1966-05-17 AT AT466266A patent/AT290507B/de not_active IP Right Cessation
- 1966-05-17 DE DE19661593540 patent/DE1593540A1/de active Pending
- 1966-05-17 JP JP3095566A patent/JPS5138698B1/ja active Pending
- 1966-05-17 DK DK251766A patent/DK125171B/da unknown
- 1966-05-17 ES ES0326853A patent/ES326853A1/es not_active Expired
- 1966-05-17 SE SE685766A patent/SE350966B/xx unknown
- 1966-05-17 BE BE681180D patent/BE681180A/xx not_active IP Right Cessation
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5189209A (en) * | 1990-05-17 | 1993-02-23 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure isophthalic acid |
EP0502628A2 (de) * | 1991-03-07 | 1992-09-09 | Imperial Chemical Industries Plc | Verfahren zur Herstellung von Terephthalsäure |
EP0502628A3 (en) * | 1991-03-07 | 1993-01-27 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
US5527957A (en) * | 1991-03-07 | 1996-06-18 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
EP0722927A1 (de) * | 1991-03-07 | 1996-07-24 | Imperial Chemical Industries Plc | Verfahren zur Herstellung von Terephthalsäure |
US5563293A (en) * | 1991-03-07 | 1996-10-08 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
EP0754673A1 (de) * | 1991-03-07 | 1997-01-22 | Imperial Chemical Industries Plc | Verfahren zur Herstellung von Terephthalsäure |
US5679846A (en) * | 1991-03-07 | 1997-10-21 | Imperial Chemical Industries Plc | Process for the production of terephalic acid |
CN1038409C (zh) * | 1991-03-07 | 1998-05-20 | 帝国化学工业公司 | 生产对苯二甲酸的方法 |
US5877346A (en) * | 1991-03-07 | 1999-03-02 | E. I. Du Pont De Nemours And Company | Process for the production of terephthalic acid |
CN1067977C (zh) * | 1991-03-07 | 2001-07-04 | 纳幕尔杜邦公司 | 生产对苯二甲酸的方法 |
US7196215B2 (en) | 2001-06-04 | 2007-03-27 | Eastman Chemical Company | Process for the production of purified terephthalic acid |
WO2002098836A1 (en) * | 2001-06-04 | 2002-12-12 | Eastman Chemical Company | Process for the production of purified terephthalic acid |
KR100896382B1 (ko) * | 2001-06-04 | 2009-05-08 | 이스트만 케미칼 컴파니 | 정제된 테레프탈산의 제조 방법 |
US7485747B2 (en) | 2001-06-04 | 2009-02-03 | Eastman Chemical Company | Two stage oxidation process for the production of aromatic dicarboxylic acids |
US7342128B2 (en) | 2003-04-25 | 2008-03-11 | Eastman Chemical Company | Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam |
US7393973B2 (en) | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
US7420082B2 (en) | 2006-03-01 | 2008-09-02 | Eastman Chemical Company | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion |
US7326807B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced heating for oxidative digestion |
US7501537B2 (en) | 2006-03-01 | 2009-03-10 | Eastman Chemical Company | Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange |
US7326808B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion |
US7816556B2 (en) | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
US7829037B2 (en) | 2006-03-01 | 2010-11-09 | Eastman Chemical Company | Oxidation system with sidedraw secondary reactor |
US8153840B2 (en) | 2006-03-01 | 2012-04-10 | Grupo Petrotemex, S.A. De C.V. | Oxidation system with sidedraw secondary reactor |
CN103288632A (zh) * | 2013-06-19 | 2013-09-11 | 中国石油化工股份有限公司 | 一种粗均苯三甲酸精制的方法 |
Also Published As
Publication number | Publication date |
---|---|
CH457397A (fr) | 1968-06-15 |
JPS5138698B1 (de) | 1976-10-23 |
AT290507B (de) | 1971-06-11 |
SE350966B (de) | 1972-11-13 |
BE681180A (de) | 1966-10-31 |
DE1593540A1 (de) | 1970-10-22 |
DK125171B (da) | 1973-01-08 |
ES326853A1 (es) | 1967-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
694A | Case decided by the comptroller (rule 94(3)/1968) | ||
PS | Patent sealed | ||
PE | Patent expired |