AT290507B - Verfahren zur Reinigung von aromatischen Di- und Polycarbonsäuren - Google Patents
Verfahren zur Reinigung von aromatischen Di- und PolycarbonsäurenInfo
- Publication number
- AT290507B AT290507B AT466266A AT466266A AT290507B AT 290507 B AT290507 B AT 290507B AT 466266 A AT466266 A AT 466266A AT 466266 A AT466266 A AT 466266A AT 290507 B AT290507 B AT 290507B
- Authority
- AT
- Austria
- Prior art keywords
- purification
- aromatic
- polycarboxylic acids
- polycarboxylic
- acids
- Prior art date
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 |
|---|---|
| AT290507B true AT290507B (de) | 1971-06-11 |
Family
ID=23811931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT466266A AT290507B (de) | 1965-05-17 | 1966-05-17 | Verfahren zur Reinigung von aromatischen Di- und Polycarbonsäuren |
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) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| GB9104776D0 (en) * | 1991-03-07 | 1991-04-17 | Ici Plc | Process for the production of terephthalic acid |
| US5449820A (en) * | 1994-03-15 | 1995-09-12 | Mitsubishi Chemical Corporation | Method of preparing high purity 2,6-naphthalene dicarboxylic acid |
| US7485747B2 (en) | 2001-06-04 | 2009-02-03 | Eastman Chemical Company | Two stage oxidation process for the production of aromatic dicarboxylic acids |
| US7196215B2 (en) * | 2001-06-04 | 2007-03-27 | Eastman Chemical Company | Process for the production of purified terephthalic acid |
| US20040215036A1 (en) | 2003-04-25 | 2004-10-28 | Robert Lin | Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam |
| US7393973B2 (en) | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
| US7816556B2 (en) | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
| US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of 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 |
| US20070208194A1 (en) | 2006-03-01 | 2007-09-06 | Woodruff Thomas E | Oxidation system with sidedraw secondary reactor |
| 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 |
| 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 |
| EP2017254B1 (de) * | 2006-05-08 | 2014-08-13 | Mitsubishi Gas Chemical Company, Inc. | Kristallisationsverfahren |
| 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 |
| 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 DE DE19661593540 patent/DE1593540A1/de active Pending
- 1966-05-17 AT AT466266A patent/AT290507B/de not_active IP Right Cessation
- 1966-05-17 DK DK251766A patent/DK125171B/da unknown
- 1966-05-17 SE SE685766A patent/SE350966B/xx unknown
- 1966-05-17 CH CH713066A patent/CH457397A/fr unknown
- 1966-05-17 JP JP3095566A patent/JPS5138698B1/ja active Pending
- 1966-05-17 BE BE681180D patent/BE681180A/xx not_active IP Right Cessation
- 1966-05-17 ES ES0326853A patent/ES326853A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5138698B1 (de) | 1976-10-23 |
| SE350966B (de) | 1972-11-13 |
| BE681180A (de) | 1966-10-31 |
| CH457397A (fr) | 1968-06-15 |
| DE1593540A1 (de) | 1970-10-22 |
| DK125171B (da) | 1973-01-08 |
| GB1152575A (en) | 1969-05-21 |
| ES326853A1 (es) | 1967-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH484031A (de) | Verfahren zur Herstellung von d-Phenylessigsäuren | |
| AT290507B (de) | Verfahren zur Reinigung von aromatischen Di- und Polycarbonsäuren | |
| CH475182A (de) | Verfahren zur kontinuierlichen Veresterung von Acrylsäure | |
| AT269352B (de) | Verfahren zur Herstellung von Cephemsäuren | |
| AT288708B (de) | Verfahren zur Härtung von ungesättigter Polyesterharze | |
| CH484030A (de) | Verfahren zur Herstellung von Alkensäuren | |
| CH455289A (de) | Verfahren zur Herstellung von Polyester | |
| AT288360B (de) | Verfahren zur Reinigung von aromatischen Di- und Polycarbonsäuren | |
| CH481860A (de) | Verfahren zur Herstellung von Prostaglandinsäuren | |
| AT290506B (de) | Verfahren zur Reinigung von aromatischen Di- und Polycarbonsäuren | |
| AT290490B (de) | Verfahren zur Herstellung von neuem N-Carboxyasparaginanhydrid oder- N-Carboxyglutaminanhydrid | |
| AT244936B (de) | Verfahren zur Herstellung von reinen Arylestern von Di- und Polycarbonsäuren | |
| CH491139A (de) | Verfahren zur Herstellung von Hydroxydiphosphonsäuren | |
| DD38244A1 (de) | Verfahren zur Reinigung von Polyesterlösungen | |
| CH457389A (de) | Verfahren zur Reinigung von Adipinsäurenitril | |
| CH475287A (de) | Verfahren zur Herstellung von substituierten Aminomethylphosphinsäuren | |
| CH490382A (de) | Verfahren zur Herstellung von 2-Phenylalkylindolylsäuren | |
| CH479520A (de) | Verfahren zur Herstellung von a-Oxycarbonsäuren | |
| CH451921A (de) | Verfahren zur Herstellung von Sulfinyl-substituierten Alkan-carbonsäuren | |
| CH468361A (de) | Verfahren zur Herstellung polythio-substituierter Carbonsäuren oder von Derivaten derselben | |
| CH473754A (de) | Verfahren zur Herstellung von Naphthyloxy-substituierten Carbonsäuren | |
| CH476667A (de) | Verfahren zur Herstellung von Benzolcarbonsäuren | |
| CH472405A (de) | Verfahren zur Herstellung von N-1-Acyl-3-indolyl-essigsäuren | |
| CH489458A (de) | Verfahren zur Herstellung von Phenoxyalkancarbonsäuren | |
| CH444175A (de) | Verfahren zur Isolierung von Ergolen-Carbonsäuren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELA | Expired due to lapse of time |