CH457397A - Procédé de purification des acides polycarboxyliques aromatiques - Google Patents
Procédé de purification des acides polycarboxyliques aromatiquesInfo
- Publication number
- CH457397A CH457397A CH713066A CH713066A CH457397A CH 457397 A CH457397 A CH 457397A CH 713066 A CH713066 A CH 713066A CH 713066 A CH713066 A CH 713066A CH 457397 A CH457397 A CH 457397A
- Authority
- CH
- Switzerland
- Prior art keywords
- purification
- polycarboxylic acids
- aromatic polycarboxylic
- aromatic
- 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 |
|---|---|
| CH457397A true CH457397A (fr) | 1968-06-15 |
Family
ID=23811931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH713066A CH457397A (fr) | 1965-05-17 | 1966-05-17 | Procédé de purification des acides polycarboxyliques aromatiques |
Country Status (9)
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 |
| US7420082B2 (en) | 2006-03-01 | 2008-09-02 | Eastman Chemical Company | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion |
| US20070208194A1 (en) | 2006-03-01 | 2007-09-06 | Woodruff Thomas E | Oxidation system with sidedraw secondary reactor |
| 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 |
| US7816556B2 (en) | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
| US7393973B2 (en) | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for 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 |
| 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 |
| KR101454034B1 (ko) * | 2006-05-08 | 2014-10-27 | 미츠비시 가스 가가쿠 가부시키가이샤 | 정석 방법 |
| 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 AT AT466266A patent/AT290507B/de not_active IP Right Cessation
- 1966-05-17 ES ES0326853A patent/ES326853A1/es not_active Expired
- 1966-05-17 CH CH713066A patent/CH457397A/fr unknown
- 1966-05-17 SE SE685766A patent/SE350966B/xx unknown
- 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 BE BE681180D patent/BE681180A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5138698B1 (US20030220297A1-20031127-C00074.png) | 1976-10-23 |
| AT290507B (de) | 1971-06-11 |
| ES326853A1 (es) | 1967-03-16 |
| BE681180A (US20030220297A1-20031127-C00074.png) | 1966-10-31 |
| DE1593540A1 (de) | 1970-10-22 |
| DK125171B (da) | 1973-01-08 |
| GB1152575A (en) | 1969-05-21 |
| SE350966B (US20030220297A1-20031127-C00074.png) | 1972-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH457397A (fr) | Procédé de purification des acides polycarboxyliques aromatiques | |
| FR1445013A (fr) | Procédé pour fabriquer des nouveaux acides dioxolano-2-carboxyliques | |
| FR1462616A (fr) | Procédé de purification des lactides | |
| CH448048A (fr) | Procédé de purification d'acides polycarboxyliques aromatiques | |
| FR1434005A (fr) | Procédé de production de nitrodiarylamines | |
| FR1429477A (fr) | Procédé de production d'acides aliphatiques non saturés | |
| CH457396A (fr) | Procédé de purification des acides polycarboxyliques aromatiques | |
| FR1436942A (fr) | Procédé de purification | |
| FR1492823A (fr) | Procédé de purification du 2, 2, 2-trifluoro-1-chloro-1-bromoéthane | |
| FR1531461A (fr) | Procédé perfectionné de purification des acides aromatiques polycarboxyliques sublimables | |
| FR1490312A (fr) | Procédé perfectionné de purification de l'epsilon-caprolactame | |
| FR1355291A (fr) | Procédé de purification des acides carboxyliques aromatiques | |
| FR1448088A (fr) | Procédé de purification de minéraux argileux activés | |
| FR1261465A (fr) | Procédé de purification des acides polycarboxyliques aromatiques | |
| FR1430806A (fr) | Procédé de purification des acides carboxyliques | |
| FR1405716A (fr) | Procédé de production de dicarboxylates aromatiques | |
| FR1421947A (fr) | Procédé d'isolement d'acides nitrosulfoniques aromatiques | |
| FR1402156A (fr) | Procédé pour la préparation des acides alpha-sulfo-alkanoïques | |
| FR1427414A (fr) | Procédé de purification des delta-oxazolines | |
| FR1453045A (fr) | Procédé de production de 4-alkylmercaptophénols | |
| FR1285706A (fr) | Procédé de purification des acides monocarboxyliques | |
| FR1392660A (fr) | Procédé de traitement des cyanhydrines | |
| FR1487922A (fr) | Procédé perfectionné de purification du méthyl-isobutylcarbinol | |
| FR1505364A (fr) | Procédé pour la production des acides dicarboxyliques | |
| FR1491999A (fr) | Procédé de purification de beta-lactones |