IT1041434B - Procedimento per la produzione di acido tereftalico - Google Patents
Procedimento per la produzione di acido tereftalicoInfo
- Publication number
- IT1041434B IT1041434B IT68980/75A IT6898075A IT1041434B IT 1041434 B IT1041434 B IT 1041434B IT 68980/75 A IT68980/75 A IT 68980/75A IT 6898075 A IT6898075 A IT 6898075A IT 1041434 B IT1041434 B IT 1041434B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- terephthalic acid
- 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
- C07C51/16—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
-
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8783574A JPS5614101B2 (ru) | 1974-07-31 | 1974-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1041434B true IT1041434B (it) | 1980-01-10 |
Family
ID=13925976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT68980/75A IT1041434B (it) | 1974-07-31 | 1975-07-30 | Procedimento per la produzione di acido tereftalico |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5614101B2 (ru) |
| KR (1) | KR800001084B1 (ru) |
| BR (1) | BR7504901A (ru) |
| DE (1) | DE2534161C2 (ru) |
| FR (1) | FR2280626A1 (ru) |
| GB (1) | GB1454478A (ru) |
| IT (1) | IT1041434B (ru) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021747B1 (en) * | 1979-07-02 | 1983-05-18 | Imperial Chemical Industries Plc | Process for the preparation of terephthalic acid |
| JPH0213652U (ru) * | 1988-07-11 | 1990-01-29 | ||
| 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 |
| US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of 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 |
| US7326807B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced heating for oxidative digestion |
| US20070208194A1 (en) | 2006-03-01 | 2007-09-06 | Woodruff Thomas E | Oxidation system with sidedraw secondary reactor |
| US7420082B2 (en) | 2006-03-01 | 2008-09-02 | Eastman Chemical Company | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion |
| 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 |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB983677A (en) * | 1962-04-27 | 1965-02-17 | Mitsui Petrochemical Ind | A process for the preparation of terephthalic acid having extremely high purity |
| CA793870A (en) * | 1964-12-14 | 1968-09-03 | Berthoux Jean | Procede d'oxydation d'hydrocarbures aromatiques |
| DE2154147C3 (de) * | 1970-11-01 | 1978-03-16 | Maruzen Oil Co., Ltd., Osaka (Japan) | Verfahren zur Herstellung von Terephthalsäure |
-
1974
- 1974-07-31 JP JP8783574A patent/JPS5614101B2/ja not_active Expired
-
1975
- 1975-07-15 KR KR7501539A patent/KR800001084B1/ko active
- 1975-07-30 FR FR7523829A patent/FR2280626A1/fr active Granted
- 1975-07-30 IT IT68980/75A patent/IT1041434B/it active
- 1975-07-31 DE DE2534161A patent/DE2534161C2/de not_active Expired
- 1975-07-31 BR BR7504901A patent/BR7504901A/pt unknown
- 1975-07-31 GB GB3204775A patent/GB1454478A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1454478A (en) | 1976-11-03 |
| JPS5116630A (ru) | 1976-02-10 |
| JPS5614101B2 (ru) | 1981-04-02 |
| FR2280626B1 (ru) | 1980-04-18 |
| FR2280626A1 (fr) | 1976-02-27 |
| KR800001084B1 (ko) | 1980-10-06 |
| DE2534161C2 (de) | 1983-08-18 |
| BR7504901A (pt) | 1977-03-01 |
| DE2534161A1 (de) | 1976-02-12 |
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