SK9196A3 - Manufacturing process of terephthalic acid and its isomers - Google Patents
Manufacturing process of terephthalic acid and its isomers Download PDFInfo
- Publication number
- SK9196A3 SK9196A3 SK91-96A SK9196A SK9196A3 SK 9196 A3 SK9196 A3 SK 9196A3 SK 9196 A SK9196 A SK 9196A SK 9196 A3 SK9196 A3 SK 9196A3
- Authority
- SK
- Slovakia
- Prior art keywords
- reactor
- process according
- dimethyl terephthalate
- steam
- terephthalic acid
- 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
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19502122 | 1995-01-24 | ||
DE19536814A DE19536814B4 (de) | 1995-01-24 | 1995-10-02 | Ein neues Verfahren zur Herstellung von Terephthalsäure und ihrer Isomeren |
Publications (1)
Publication Number | Publication Date |
---|---|
SK9196A3 true SK9196A3 (en) | 1996-09-04 |
Family
ID=26011829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SK91-96A SK9196A3 (en) | 1995-01-24 | 1996-01-23 | Manufacturing process of terephthalic acid and its isomers |
Country Status (11)
Country | Link |
---|---|
US (1) | US5679848A (hu) |
EP (1) | EP0725054A1 (hu) |
JP (1) | JPH08231464A (hu) |
CN (1) | CN1135476A (hu) |
BG (1) | BG62485B1 (hu) |
CA (1) | CA2167781A1 (hu) |
CZ (1) | CZ17696A3 (hu) |
HU (1) | HUP9600154A3 (hu) |
PL (1) | PL312424A1 (hu) |
SK (1) | SK9196A3 (hu) |
TR (1) | TR199600070A2 (hu) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6472557B1 (en) * | 1999-02-10 | 2002-10-29 | Eastman Chemical Company | Process for recycling polyesters |
EP1323701B1 (en) | 2000-09-07 | 2009-07-15 | Kaneka Corporation | Methods for crystallization of hydroxycarboxylic acids |
AU2408202A (en) | 2000-11-27 | 2002-06-03 | Teijin Ltd | Dimethyl terephthalate composition and process for producing the same |
JP4666594B2 (ja) * | 2005-03-30 | 2011-04-06 | 月島機械株式会社 | 有機化合物の断熱冷却式晶析方法及び装置 |
SE0600228L (sv) * | 2006-02-03 | 2006-12-19 | Perstorp Specialty Chem Ab | Förfarande för framställning av monopentaerytritol med hög renhet samt monopentaerytritol framställd enligt förfarandet |
US20100298524A1 (en) | 2006-11-07 | 2010-11-25 | Teijin Fibers Limited | Process for producing a liquid mixture of terephthalic acid with alkylene glycol |
CN101255104B (zh) * | 2007-02-28 | 2012-01-04 | 中国科学院大连化学物理研究所 | 多元羧酸酯水解制备相应羧酸的方法及装置 |
AT504996B1 (de) | 2007-03-02 | 2009-03-15 | Andritz Tech & Asset Man Gmbh | Verfahren und vorrichtung zur trocknung von kristallinen carbonsäuren |
JP2015140342A (ja) * | 2014-01-30 | 2015-08-03 | 株式会社日立製作所 | 精製テレフタル酸の製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1130695A (en) * | 1966-04-18 | 1968-10-16 | Hercules Inc | Production of terephthalic acid by hydrolysis of an alkyl terephthalate |
DE2916197C2 (de) * | 1979-04-21 | 1982-01-28 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt |
DE3041293A1 (de) * | 1979-04-21 | 1982-06-16 | Dynamit Nobel Ag, 5210 Troisdorf | Verbessertes verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt |
DE3011858C2 (de) * | 1979-04-21 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephtalsäure aus Roh-Dimethylterephthalat durch kontinuierliche Hydrolyse mit Wasser |
DE2938163A1 (de) * | 1979-09-21 | 1981-04-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt |
DE2942859C2 (de) * | 1979-10-24 | 1982-02-11 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt |
DE3044617C2 (de) * | 1980-11-27 | 1985-09-26 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt |
US4578510A (en) * | 1984-12-11 | 1986-03-25 | Celanese Corporation | Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers |
DE3904586A1 (de) * | 1989-02-16 | 1990-08-23 | Huels Chemische Werke Ag | Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsaeure |
DE4026733A1 (de) * | 1990-08-24 | 1992-02-27 | Huels Chemische Werke Ag | Verfahren zur reinigung eines oxidationsabgases |
-
1995
- 1995-12-20 EP EP95120224A patent/EP0725054A1/de not_active Withdrawn
-
1996
- 1996-01-18 US US08/588,311 patent/US5679848A/en not_active Expired - Fee Related
- 1996-01-19 CZ CZ96176A patent/CZ17696A3/cs unknown
- 1996-01-22 CA CA002167781A patent/CA2167781A1/en not_active Abandoned
- 1996-01-22 TR TR96/00070A patent/TR199600070A2/xx unknown
- 1996-01-23 BG BG100301A patent/BG62485B1/bg unknown
- 1996-01-23 JP JP8009147A patent/JPH08231464A/ja active Pending
- 1996-01-23 PL PL96312424A patent/PL312424A1/xx unknown
- 1996-01-23 SK SK91-96A patent/SK9196A3/sk unknown
- 1996-01-23 CN CN96101313A patent/CN1135476A/zh active Pending
- 1996-01-24 HU HU9600154A patent/HUP9600154A3/hu unknown
Also Published As
Publication number | Publication date |
---|---|
BG62485B1 (bg) | 1999-12-30 |
CA2167781A1 (en) | 1996-07-25 |
CZ17696A3 (en) | 1996-08-14 |
EP0725054A1 (de) | 1996-08-07 |
PL312424A1 (en) | 1996-08-05 |
HUP9600154A3 (en) | 1999-03-29 |
JPH08231464A (ja) | 1996-09-10 |
HU9600154D0 (en) | 1996-03-28 |
TR199600070A2 (tr) | 1996-10-21 |
CN1135476A (zh) | 1996-11-13 |
BG100301A (bg) | 1996-12-31 |
US5679848A (en) | 1997-10-21 |
HUP9600154A2 (en) | 1997-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5286896A (en) | Process for the production of DMT-intermediate product of specific purity | |
EP0255399B1 (en) | Process | |
RU2213725C2 (ru) | Способ получения очищенной терефталевой кислоты | |
US4302595A (en) | Process for the preparation of terephthalic acid by the hydrolysis of intermediate stage crude dimethyl terephthalate | |
PL163974B1 (pl) | Sposób wyodrebniania octanu winylu PL PL PL PL PL | |
SK9196A3 (en) | Manufacturing process of terephthalic acid and its isomers | |
US4032563A (en) | Process for the recovery of high purity diesters of terephthalic or isophthalic acids | |
KR102592022B1 (ko) | 산화에 의해 방향족 디카복실산을 제조하기 위한 에너지 및 환경적으로 통합된 방법 | |
SU1205757A3 (ru) | Способ получени терефталевой кислоты | |
US5542372A (en) | Process for purification of DMT by film crystallization | |
KR100716095B1 (ko) | 규격에 따른 프탈산 무수물의 제조 방법 | |
US20140121406A1 (en) | Pure plant mother liquor solvent extraction system and method | |
KR950013081B1 (ko) | 디알킬 말리에이트의 제조방법 | |
KR830001517B1 (ko) | 디메틸 테레프탈레이트의 가수분해에 의한 테레프탈산의 제조방법 | |
US6096171A (en) | Process for the distillation of crude ester in the DMT/PTA process | |
JPH11171820A (ja) | 芳香族カルボン酸の製造方法 | |
KR980009221A (ko) | 고순도 이소프탈산의 제조방법 | |
PL128221B1 (en) | Method of manufacture of dimethyl terephtalate | |
PL123208B1 (en) | Process for manufacturing dioctyl phtalate |