JPS6241219B2 - - Google Patents
Info
- Publication number
- JPS6241219B2 JPS6241219B2 JP53038175A JP3817578A JPS6241219B2 JP S6241219 B2 JPS6241219 B2 JP S6241219B2 JP 53038175 A JP53038175 A JP 53038175A JP 3817578 A JP3817578 A JP 3817578A JP S6241219 B2 JPS6241219 B2 JP S6241219B2
- Authority
- JP
- Japan
- Prior art keywords
- column
- water
- distillation
- isobutyl acetate
- terephthalic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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 |
|---|---|---|---|
| IT2205877A IT1075688B (it) | 1977-04-04 | 1977-04-04 | Metodo per il recupero del catalizzatore e del solvente dal liquido madre di un processo per la sintesi dell'acido tereftalico |
| IT22408/77A IT1075317B (it) | 1977-04-13 | 1977-04-13 | Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53127430A JPS53127430A (en) | 1978-11-07 |
| JPS6241219B2 true JPS6241219B2 (enrdf_load_stackoverflow) | 1987-09-02 |
Family
ID=26328080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3817578A Granted JPS53127430A (en) | 1977-04-04 | 1978-04-03 | Improved method of recovering catalyst and solvent from mother liquid of phthalic acid synthesizing process |
Country Status (10)
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1129759B (it) * | 1980-01-23 | 1986-06-11 | Montedison Spa | Metodo per ricuperare in forma attiva i componenti del sistema catalitico della sintesi dell'acido tereftalico |
| US4334086A (en) * | 1981-03-16 | 1982-06-08 | Labofina S.A. | Production of terephthalic acid |
| ATE182576T1 (de) * | 1994-08-23 | 1999-08-15 | Du Pont | Dehydratisierung der essigsäure durch azeotropische destillation in der herstellung von aromatischen säure |
| US6150553A (en) * | 1998-08-11 | 2000-11-21 | E. I. Du Pont De Nemours And Company | Method for recovering methyl acetate and residual acetic acid in the production acid of pure terephthalic acid |
| WO2002068083A1 (fr) * | 2001-02-27 | 2002-09-06 | Mitsubishi Chemical Corporation | Methode de distillation azeotropique |
| US7381386B2 (en) * | 2003-06-05 | 2008-06-03 | Eastman Chemical Company | Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| US7410632B2 (en) * | 2003-06-05 | 2008-08-12 | Eastman Chemical Company | Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid |
| US7692036B2 (en) | 2004-11-29 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7504535B2 (en) | 2004-09-02 | 2009-03-17 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7390921B2 (en) | 2004-09-02 | 2008-06-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7608732B2 (en) | 2005-03-08 | 2009-10-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7399882B2 (en) | 2004-09-02 | 2008-07-15 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7910769B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7361784B2 (en) * | 2004-09-02 | 2008-04-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7507857B2 (en) | 2004-09-02 | 2009-03-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7482482B2 (en) | 2004-09-02 | 2009-01-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7381836B2 (en) | 2004-09-02 | 2008-06-03 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7589231B2 (en) | 2004-09-02 | 2009-09-15 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7572936B2 (en) | 2004-09-02 | 2009-08-11 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7572932B2 (en) | 2004-09-02 | 2009-08-11 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7608733B2 (en) | 2004-09-02 | 2009-10-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7683210B2 (en) | 2004-09-02 | 2010-03-23 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7495125B2 (en) | 2004-09-02 | 2009-02-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7741515B2 (en) | 2004-09-02 | 2010-06-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7586000B2 (en) | 2004-09-02 | 2009-09-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7582793B2 (en) | 2004-09-02 | 2009-09-01 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7371894B2 (en) | 2004-09-02 | 2008-05-13 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7568361B2 (en) | 2004-09-02 | 2009-08-04 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7563926B2 (en) | 2004-09-02 | 2009-07-21 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7692037B2 (en) | 2004-09-02 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7884232B2 (en) | 2005-06-16 | 2011-02-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7355068B2 (en) | 2006-01-04 | 2008-04-08 | Eastman Chemical Company | Oxidation system with internal secondary reactor |
| US7358389B2 (en) | 2006-01-04 | 2008-04-15 | Eastman Chemical Company | Oxidation system employing internal structure for enhanced hydrodynamics |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA793870A (en) * | 1964-12-14 | 1968-09-03 | Berthoux Jean | Procede d'oxydation d'hydrocarbures aromatiques |
| US3557173A (en) * | 1968-05-09 | 1971-01-19 | Sinclair Research Inc | Process for recovering cobalt acetate |
| DE2104909A1 (en) * | 1971-02-03 | 1972-09-07 | Chemische Fabrik Kalk GmbH, 5000 Köln | Terephthalic acid prodn - by para-xylene oxidn with oxygen using cobalt and bromine compound catalysts |
| US3761474A (en) * | 1971-03-22 | 1973-09-25 | Fmc Corp | Purification of crude cyanuric acid |
| JPS5328420B2 (enrdf_load_stackoverflow) * | 1973-04-05 | 1978-08-15 | ||
| JPS5328421B2 (enrdf_load_stackoverflow) * | 1973-05-15 | 1978-08-15 | ||
| JPS5328901B2 (enrdf_load_stackoverflow) * | 1973-07-28 | 1978-08-17 | ||
| FR2304255A7 (fr) * | 1975-03-13 | 1976-10-08 | Inst Francais Du Petrole | Procede de fabrication d'acide terephtalique par oxydation du paraxylene |
-
1978
- 1978-03-30 NL NLAANVRAGE7803368,A patent/NL188282C/xx not_active IP Right Cessation
- 1978-03-31 FR FR7809488A patent/FR2386511A1/fr active Granted
- 1978-04-03 SU SU782600750A patent/SU1217250A3/ru active
- 1978-04-03 MX MX172975A patent/MX148713A/es unknown
- 1978-04-03 BR BR7802069A patent/BR7802069A/pt unknown
- 1978-04-03 IN IN356/CAL/78A patent/IN148106B/en unknown
- 1978-04-03 ES ES468499A patent/ES468499A1/es not_active Expired
- 1978-04-03 JP JP3817578A patent/JPS53127430A/ja active Granted
- 1978-04-03 GB GB12977/78A patent/GB1593117A/en not_active Expired
- 1978-04-04 DE DE19782814448 patent/DE2814448A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| MX148713A (es) | 1983-06-06 |
| IN148106B (enrdf_load_stackoverflow) | 1980-10-18 |
| ES468499A1 (es) | 1979-01-01 |
| JPS53127430A (en) | 1978-11-07 |
| FR2386511A1 (fr) | 1978-11-03 |
| FR2386511B1 (enrdf_load_stackoverflow) | 1980-07-25 |
| NL7803368A (nl) | 1978-10-06 |
| BR7802069A (pt) | 1979-01-23 |
| NL188282C (nl) | 1992-05-18 |
| DE2814448C2 (enrdf_load_stackoverflow) | 1991-05-23 |
| GB1593117A (en) | 1981-07-15 |
| SU1217250A3 (ru) | 1986-03-07 |
| NL188282B (nl) | 1991-12-16 |
| DE2814448A1 (de) | 1978-10-12 |
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