KR880005064A - 고순도 테레프탈산의 제조방법 - Google Patents
고순도 테레프탈산의 제조방법 Download PDFInfo
- Publication number
- KR880005064A KR880005064A KR870011524A KR870011524A KR880005064A KR 880005064 A KR880005064 A KR 880005064A KR 870011524 A KR870011524 A KR 870011524A KR 870011524 A KR870011524 A KR 870011524A KR 880005064 A KR880005064 A KR 880005064A
- Authority
- KR
- South Korea
- Prior art keywords
- terephthalic acid
- high purity
- producing high
- purity terephthalic
- crude terephthalic
- Prior art date
Links
Classifications
-
- 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
-
- 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)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 실시하기 위한 제조장치를 도시한 계통도
Claims (4)
- 파라디알킬벤젠의 산화에 의해 얻게된 조 테레프탈산의 고온수성 용액을, (A)산소함유 가스분위기하에서, 또한 조 테레프탈산에 함유되는 4-카르복시벤즈 알데히드 1몰에 대한 산소의 공급량을 0.4내지 10몰의 범위로하는 조건하에서 산화처리하고, 이어서(B)수소에 의해 처리하는 것을 특징으로하는 고순도 테레프탈산의 제조방법.
- 제1항에 있어서, 조 테레프탈산이 4-카르복시벤즈 알데히드를 1,000ppm 이상 함유한 고순도 테레프탈산의 제조방법.
- 제1항 또는 제2항에 있어서, 산화처리는 조테레프탈산의 농도 100내지 700g/l, 온도 230내지 300℃, 압력30 내지 100kg/cm3, 체류시간 2내지 50분간에 있어서는 행하는 고순도 레테프탈산의 제조방법.
- 제1항 내지 제3항의 어느 한 항에 있어서, 수소처리는 온도 270 내지 300℃, 수소분압 5내지 15kg/cm2, 처리시간 20내지 50분간에서 행하는 고순도 테레프탈산의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP247500 | 1986-10-20 | ||
JP61247500A JPH078823B2 (ja) | 1986-10-20 | 1986-10-20 | 高純度テレフタル酸の製造方法 |
JP61-247500 | 1986-10-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880005064A true KR880005064A (ko) | 1988-06-27 |
KR960006666B1 KR960006666B1 (ko) | 1996-05-22 |
Family
ID=17164390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870011524A KR960006666B1 (ko) | 1986-10-20 | 1987-10-17 | 고순도 테레프탈산의 제조방법 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0265137B1 (ko) |
JP (1) | JPH078823B2 (ko) |
KR (1) | KR960006666B1 (ko) |
CN (1) | CN1022182C (ko) |
CA (1) | CA1296742C (ko) |
DE (1) | DE3788555T2 (ko) |
IN (1) | IN168544B (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4933492A (en) * | 1988-10-13 | 1990-06-12 | Amoco Corporation | Purification of crude isophthalic acid |
DE4300297C2 (de) * | 1993-01-08 | 1998-01-29 | Degussa | Verfahren zur selektiven katalytischen Hydrierung der Carbonylgruppe von 4-Carboxylbenzaldehyd |
KR100264749B1 (ko) * | 1997-02-17 | 2000-09-01 | 나까니시 히로유끼 | 고순도 테레프탈산의 제조 방법 |
US7683210B2 (en) | 2004-09-02 | 2010-03-23 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7589231B2 (en) | 2004-09-02 | 2009-09-15 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7910769B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7381836B2 (en) | 2004-09-02 | 2008-06-03 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7692037B2 (en) | 2004-09-02 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7572936B2 (en) | 2004-09-02 | 2009-08-11 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7741515B2 (en) | 2004-09-02 | 2010-06-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7582793B2 (en) | 2004-09-02 | 2009-09-01 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7504535B2 (en) | 2004-09-02 | 2009-03-17 | Eastman Chemical Company | Optimized liquid-phase oxidation |
ES2551479T3 (es) * | 2004-09-02 | 2015-11-19 | Grupo Petrotemex, S.A. De C.V. | Oxidación en fase líquida optimizada |
US7361784B2 (en) * | 2004-09-02 | 2008-04-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
BRPI0514756A (pt) * | 2004-09-02 | 2008-06-24 | Eastman Chem Co | processo para produzir ácidos dicarboxìlicos aromáticos, e, aparelhagem |
US7692036B2 (en) | 2004-11-29 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US20060047153A1 (en) * | 2004-09-02 | 2006-03-02 | Wonders Alan G | Optimized liquid-phase oxidation |
US7568361B2 (en) | 2004-09-02 | 2009-08-04 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7507857B2 (en) | 2004-09-02 | 2009-03-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
US7884232B2 (en) | 2005-06-16 | 2011-02-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
JP5031354B2 (ja) * | 2006-12-15 | 2012-09-19 | 三井化学株式会社 | 高純度テレフタル酸の製造方法 |
RU2695221C2 (ru) * | 2013-12-30 | 2019-07-22 | Бипи Корпорейшен Норт Америка Инк. | Находящиеся под давлением сырьевые смеси, содержащие неочищенные ароматические карбоновые кислоты |
US9394223B2 (en) * | 2013-12-31 | 2016-07-19 | Bp Corporation North America Inc. | Oxidation process for preparing purified aromatic carboxylic acids |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3584039A (en) * | 1967-08-30 | 1971-06-08 | Standard Oil Co | Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid |
JPS52122333A (en) * | 1976-04-06 | 1977-10-14 | Kuraray Yuka Kk | Preparation of highly pure terephthalic acid by reoxidation process |
US4476242A (en) * | 1981-10-29 | 1984-10-09 | Standard Oil Company (Indiana) | Process for preparing palladium on carbon catalysts for purification of crude terephthalic acid |
JPS58116439A (ja) * | 1981-12-28 | 1983-07-11 | Mitsubishi Gas Chem Co Inc | 高純度芳香族ポリカルボン酸の製造法 |
-
1986
- 1986-10-20 JP JP61247500A patent/JPH078823B2/ja not_active Expired - Lifetime
-
1987
- 1987-10-12 EP EP87309000A patent/EP0265137B1/en not_active Expired - Lifetime
- 1987-10-12 DE DE87309000T patent/DE3788555T2/de not_active Expired - Fee Related
- 1987-10-17 KR KR1019870011524A patent/KR960006666B1/ko not_active IP Right Cessation
- 1987-10-19 CA CA000549616A patent/CA1296742C/en not_active Expired - Fee Related
- 1987-10-20 CN CN87107051A patent/CN1022182C/zh not_active Expired - Lifetime
- 1987-11-30 IN IN938/CAL/87A patent/IN168544B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1022182C (zh) | 1993-09-22 |
IN168544B (ko) | 1991-04-20 |
JPS63104941A (ja) | 1988-05-10 |
KR960006666B1 (ko) | 1996-05-22 |
CN87107051A (zh) | 1988-05-04 |
EP0265137A2 (en) | 1988-04-27 |
CA1296742C (en) | 1992-03-03 |
EP0265137B1 (en) | 1993-12-22 |
JPH078823B2 (ja) | 1995-02-01 |
DE3788555T2 (de) | 1994-04-21 |
EP0265137A3 (en) | 1989-07-26 |
DE3788555D1 (de) | 1994-02-03 |
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Payment date: 19990503 Year of fee payment: 4 |
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LAPS | Lapse due to unpaid annual fee |