KR100355334B1 - 테레프탈산의 회수방법 및 장치 - Google Patents
테레프탈산의 회수방법 및 장치 Download PDFInfo
- Publication number
- KR100355334B1 KR100355334B1 KR1020007008682A KR20007008682A KR100355334B1 KR 100355334 B1 KR100355334 B1 KR 100355334B1 KR 1020007008682 A KR1020007008682 A KR 1020007008682A KR 20007008682 A KR20007008682 A KR 20007008682A KR 100355334 B1 KR100355334 B1 KR 100355334B1
- Authority
- KR
- South Korea
- Prior art keywords
- terephthalic acid
- stage
- crystallization tank
- temperature
- recovering
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
-
- 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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03086398A JP3648372B2 (ja) | 1998-02-13 | 1998-02-13 | テレフタル酸の回収方法 |
JP10-30863 | 1998-02-13 | ||
PCT/JP1998/004413 WO1999041225A1 (fr) | 1998-02-13 | 1998-09-30 | Procede et dispositif servant a recuperer de l'acide terephtalique |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010040788A KR20010040788A (ko) | 2001-05-15 |
KR100355334B1 true KR100355334B1 (ko) | 2002-10-12 |
Family
ID=12315575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020007008682A KR100355334B1 (ko) | 1998-02-13 | 1998-09-30 | 테레프탈산의 회수방법 및 장치 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3648372B2 (ja) |
KR (1) | KR100355334B1 (ja) |
CN (1) | CN1124252C (ja) |
TW (1) | TW577873B (ja) |
WO (1) | WO1999041225A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005225916A (ja) * | 2004-02-10 | 2005-08-25 | Fuji Xerox Co Ltd | 有機機能性材料の製造方法、有機機能性材料、および、これを用いた有機電界発光素子 |
KR100883288B1 (ko) * | 2004-05-28 | 2009-02-11 | 미쓰비시 가가꾸 가부시키가이샤 | 고순도 테레프탈산의 제조 방법 |
CN1960960B (zh) * | 2004-05-28 | 2010-09-15 | 三菱化学株式会社 | 高纯度对苯二甲酸的制造方法 |
JP4747544B2 (ja) * | 2004-09-30 | 2011-08-17 | 株式会社日立プラントテクノロジー | テレフタル酸の精製方法 |
ATE348093T1 (de) * | 2004-12-15 | 2007-01-15 | Saudi Basic Ind Corp | Verfahren zur herstellung gereinigter terephtalsäure |
CN101622218B (zh) * | 2007-02-28 | 2013-08-07 | 株式会社日立工业设备技术 | 氢化精制用粗制芳香族二羧酸的制造方法 |
CN101624343B (zh) * | 2009-08-13 | 2012-12-19 | 中国纺织工业设计院 | 精对苯二甲酸装置精制单元氢气回收方法及装置 |
EP3514136A4 (en) * | 2016-09-14 | 2020-04-22 | Mitsubishi Gas Chemical Company, Inc. | PROCESS FOR THE PRODUCTION OF HIGH PURITY TEREPHTHALIC ACID |
CN108623065B (zh) * | 2017-03-22 | 2020-08-25 | 天华化工机械及自动化研究设计院有限公司 | Pta精制单元母液的回收利用方法 |
CN112774579B (zh) * | 2020-12-28 | 2023-05-30 | 南京延长反应技术研究院有限公司 | 一种粗对苯二甲酸加氢精制的智能微界面反应系统及方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3612724B2 (ja) * | 1994-02-03 | 2005-01-19 | 三菱化学株式会社 | スラリー特性に優れたテレフタル酸の製造方法 |
JPH08208561A (ja) * | 1994-11-16 | 1996-08-13 | Mitsubishi Chem Corp | テレフタル酸の製造方法 |
JPH1087555A (ja) * | 1996-09-17 | 1998-04-07 | Hitachi Ltd | テレフタル酸の回収方法 |
-
1998
- 1998-02-13 JP JP03086398A patent/JP3648372B2/ja not_active Expired - Lifetime
- 1998-09-30 WO PCT/JP1998/004413 patent/WO1999041225A1/ja active IP Right Grant
- 1998-09-30 KR KR1020007008682A patent/KR100355334B1/ko not_active IP Right Cessation
- 1998-09-30 CN CN98813576A patent/CN1124252C/zh not_active Expired - Lifetime
-
1999
- 1999-01-27 TW TW088101253A patent/TW577873B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1124252C (zh) | 2003-10-15 |
JPH11228492A (ja) | 1999-08-24 |
KR20010040788A (ko) | 2001-05-15 |
WO1999041225A1 (fr) | 1999-08-19 |
CN1284940A (zh) | 2001-02-21 |
JP3648372B2 (ja) | 2005-05-18 |
TW577873B (en) | 2004-03-01 |
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