GB1373230A - Process for producing terephthalic acid - Google Patents
Process for producing terephthalic acidInfo
- Publication number
- GB1373230A GB1373230A GB5991871A GB5991871A GB1373230A GB 1373230 A GB1373230 A GB 1373230A GB 5991871 A GB5991871 A GB 5991871A GB 5991871 A GB5991871 A GB 5991871A GB 1373230 A GB1373230 A GB 1373230A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terephthalic acid
- acetic acid
- vapour
- reaction
- flashing
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound 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OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 5
- 238000000034 methods Methods 0.000 title abstract 2
- 229930008671 Acetic acid Natural products 0.000 abstract 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound 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CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 4
- 239000001617 acetic acid Substances 0.000 abstract 4
- 239000007795 chemical reaction products Substances 0.000 abstract 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract 2
- 239000007789 gases Substances 0.000 abstract 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 2
- 281000011043 Mitsui & Co. companies 0.000 abstract 1
- 239000003054 catalysts Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 229910052803 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000007791 liquid phases Substances 0.000 abstract 1
- 239000007788 liquids Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 150000002938 p-xylenes Chemical group 0.000 abstract 1
- 239000000047 products Substances 0.000 abstract 1
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
Abstract
1373230 Terephthalic acid MITSUI PETROCHEMICAL INDUSTRIES Ltd 23 Dec 1971 59918/71 Heading C2C In an otherwise known process for the production of terephthalic acid in which p-xylene is oxidized in the liquid phase in the presence of acetic acid with either molecular oxygen or a gas containing molecular oxygen and in the presence of a cobalt containing catalyst the improvement wherein the vapour effluent from the reactor, which contains a non-condensable gas, steam and acetic acid vapour, is fractionally distilled to recover acetic acid which is recycled to the reactor and terephthalic acid is crystallized and removed from the liquid reaction product the resultant mother liquor being recycled, without distillation, to the reaction. Crystallization of terephthalic acid may be achieved by cooling or by flashing the hot reaction product. The vapour obtained by flashing is an acetic acid solution which may be used to wash the crystalline product prior to drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5991871A GB1373230A (en) | 1971-12-23 | 1971-12-23 | Process for producing terephthalic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5991871A GB1373230A (en) | 1971-12-23 | 1971-12-23 | Process for producing terephthalic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1373230A true GB1373230A (en) | 1974-11-06 |
Family
ID=10484650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5991871A Expired GB1373230A (en) | 1971-12-23 | 1971-12-23 | Process for producing terephthalic acid |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1373230A (en) |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009551A1 (en) * | 1990-11-29 | 1992-06-11 | Eastman Kodak Company | Continuous production of aromatic carboxylic acids |
| EP0498591A2 (en) * | 1991-02-05 | 1992-08-12 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
| US5463113A (en) * | 1993-03-30 | 1995-10-31 | Mitsui Petrochemicalindustries, Ltd. | Process and apparatus for producing terephthalic acid |
| WO1999031038A1 (en) * | 1997-12-15 | 1999-06-24 | Shell Internationale Research Maatschappij B.V. | Method to produce aromatic carboxylic acids |
| US6143925A (en) * | 1998-06-05 | 2000-11-07 | Mitsui Chemicals, Inc. | Process for producing aromatic carboxylic acid |
| WO2002098833A1 (en) * | 2001-06-04 | 2002-12-12 | Eastman Chemical Company | Process for production of aromatic carboxylic acids with improved water removal technique |
| US7005011B2 (en) * | 2001-10-05 | 2006-02-28 | Bp Corporation North America Inc. | Method of removing iron oxide deposits from the surface of titanium components |
| WO2006028769A2 (en) * | 2004-09-02 | 2006-03-16 | Eastman Chemical Company | Optimized liquid-phase oxidation of p-xylene |
| US7213540B2 (en) | 2004-02-05 | 2007-05-08 | Eastman Chemical Company | Steam recompression in carboxylic acid processes |
| 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 |
| US7393973B2 (en) | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for 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 |
| US7659427B2 (en) | 2004-09-02 | 2010-02-09 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7683210B2 (en) | 2004-09-02 | 2010-03-23 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7692036B2 (en) | 2004-11-29 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7692037B2 (en) | 2004-09-02 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion |
| US7816556B2 (en) | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
| US7829037B2 (en) | 2006-03-01 | 2010-11-09 | Eastman Chemical Company | Oxidation system with sidedraw secondary reactor |
| US7884232B2 (en) | 2005-06-16 | 2011-02-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7902396B2 (en) | 2004-09-02 | 2011-03-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7901636B2 (en) | 2004-09-02 | 2011-03-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7910071B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7910769B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7935845B2 (en) | 2005-03-21 | 2011-05-03 | Bp Corporation North America Inc. | Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
| US7960581B2 (en) | 2004-09-02 | 2011-06-14 | Grupo Petrotemex, S.A. De C.V. | Optimized liquid-phase oxidation |
| US7977505B2 (en) | 2004-09-02 | 2011-07-12 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US8114356B2 (en) | 2004-09-02 | 2012-02-14 | Grupo Pretrotemex, S.A. de C.V. | Optimized liquid-phase oxidation |
| US8470257B2 (en) | 2004-09-02 | 2013-06-25 | Grupo Petrotemex, S.A. De C.V. | Optimized liquid-phase oxidation |
| WO2015094911A1 (en) | 2013-12-18 | 2015-06-25 | Bp Corporation North America Inc. | Improved process and apparatus for manufacturing aromatic carboxylic acids |
-
1971
- 1971-12-23 GB GB5991871A patent/GB1373230A/en not_active Expired
Cited By (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992009551A1 (en) * | 1990-11-29 | 1992-06-11 | Eastman Kodak Company | Continuous production of aromatic carboxylic acids |
| EP0498591A2 (en) * | 1991-02-05 | 1992-08-12 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
| EP0498591A3 (en) * | 1991-02-05 | 1993-01-27 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
| US5304676A (en) * | 1991-02-05 | 1994-04-19 | Imperial Chemical Industries Plc | Process for the production of terephthalic acid |
| USRE36008E (en) * | 1991-02-05 | 1998-12-22 | E. I. Du Pont De Nemours And Company | Process for the production of terephthalic acid |
| US5463113A (en) * | 1993-03-30 | 1995-10-31 | Mitsui Petrochemicalindustries, Ltd. | Process and apparatus for producing terephthalic acid |
| WO1999031038A1 (en) * | 1997-12-15 | 1999-06-24 | Shell Internationale Research Maatschappij B.V. | Method to produce aromatic carboxylic acids |
| US6143925A (en) * | 1998-06-05 | 2000-11-07 | Mitsui Chemicals, Inc. | Process for producing aromatic carboxylic acid |
| WO2002098833A1 (en) * | 2001-06-04 | 2002-12-12 | Eastman Chemical Company | Process for production of aromatic carboxylic acids with improved water removal technique |
| US6504051B1 (en) | 2001-06-04 | 2003-01-07 | Eastman Chemical Company | Process for production of aromatic carboxylic acids with improved water removal technique |
| US7005011B2 (en) * | 2001-10-05 | 2006-02-28 | Bp Corporation North America Inc. | Method of removing iron oxide deposits from the surface of titanium components |
| US7213540B2 (en) | 2004-02-05 | 2007-05-08 | Eastman Chemical Company | Steam recompression in carboxylic acid processes |
| US7901636B2 (en) | 2004-09-02 | 2011-03-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| WO2006028769A3 (en) * | 2004-09-02 | 2006-05-04 | Eastman Chem Co | Optimized liquid-phase oxidation of p-xylene |
| US8470257B2 (en) | 2004-09-02 | 2013-06-25 | Grupo Petrotemex, S.A. De C.V. | Optimized liquid-phase oxidation |
| CN101056838B (en) * | 2004-09-02 | 2012-08-08 | 奇派特石化有限公司 | Optimized liquid-phase oxidation |
| US7741515B2 (en) | 2004-09-02 | 2010-06-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7659427B2 (en) | 2004-09-02 | 2010-02-09 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7683210B2 (en) | 2004-09-02 | 2010-03-23 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US8178054B2 (en) | 2004-09-02 | 2012-05-15 | Grupo Petrotemex, S. A. DE C. V. | Optimized liquid-phase oxidation |
| US7692037B2 (en) | 2004-09-02 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| WO2006028769A2 (en) * | 2004-09-02 | 2006-03-16 | Eastman Chemical Company | Optimized liquid-phase oxidation of p-xylene |
| US8114356B2 (en) | 2004-09-02 | 2012-02-14 | Grupo Pretrotemex, S.A. de C.V. | Optimized liquid-phase oxidation |
| US7977505B2 (en) | 2004-09-02 | 2011-07-12 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7910769B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7910071B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7902396B2 (en) | 2004-09-02 | 2011-03-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7960581B2 (en) | 2004-09-02 | 2011-06-14 | Grupo Petrotemex, S.A. De C.V. | Optimized liquid-phase oxidation |
| US8501986B2 (en) | 2004-11-29 | 2013-08-06 | Grupo Petrotemex, S.A. De C.V. | Optimized liquid-phase oxidation |
| US7692036B2 (en) | 2004-11-29 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US8173834B2 (en) | 2005-03-21 | 2012-05-08 | Bp Corporation North America Inc. | Process and apparatus for manufacturing pure forms of aromatic carboxylic acids |
| US7935845B2 (en) | 2005-03-21 | 2011-05-03 | Bp Corporation North America Inc. | Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof |
| US7935844B2 (en) | 2005-03-21 | 2011-05-03 | Bp Corporation North America Inc. | Recovery of energy during the production of aromatic carboxylic acids |
| US8779185B2 (en) | 2005-03-21 | 2014-07-15 | Bp Corporation North America Inc. | Process and apparatus for manufacturing pure forms of aromatic carboxylic acids |
| US7884232B2 (en) | 2005-06-16 | 2011-02-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US8153840B2 (en) | 2006-03-01 | 2012-04-10 | Grupo Petrotemex, S.A. De C.V. | Oxidation system with sidedraw secondary reactor |
| US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration 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 |
| US7829037B2 (en) | 2006-03-01 | 2010-11-09 | Eastman Chemical Company | Oxidation system with sidedraw secondary reactor |
| 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 |
| WO2015094911A1 (en) | 2013-12-18 | 2015-06-25 | Bp Corporation North America Inc. | Improved process and apparatus for manufacturing aromatic carboxylic acids |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |