DE2105017C3 - Kontinuierliches Verfahren zur Herstellung von Dimethylterephthalat - Google Patents
Kontinuierliches Verfahren zur Herstellung von DimethylterephthalatInfo
- Publication number
- DE2105017C3 DE2105017C3 DE2105017A DE2105017A DE2105017C3 DE 2105017 C3 DE2105017 C3 DE 2105017C3 DE 2105017 A DE2105017 A DE 2105017A DE 2105017 A DE2105017 A DE 2105017A DE 2105017 C3 DE2105017 C3 DE 2105017C3
- Authority
- DE
- Germany
- Prior art keywords
- xylene
- dmt
- reactor
- line
- dimethyl terephthalate
- 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
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title claims description 45
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000010924 continuous production Methods 0.000 title claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 69
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 35
- 239000008096 xylene Substances 0.000 claims description 35
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000004821 distillation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 4
- FEIOASZZURHTHB-UHFFFAOYSA-N methyl 4-formylbenzoate Chemical compound COC(=O)C1=CC=C(C=O)C=C1 FEIOASZZURHTHB-UHFFFAOYSA-N 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- WJJGAKCAAJOICV-UHFFFAOYSA-N N-dimethyltyrosine Natural products CN(C)C(C(O)=O)CC1=CC=C(O)C=C1 WJJGAKCAAJOICV-UHFFFAOYSA-N 0.000 description 2
- ZVOOGERIHVAODX-UHFFFAOYSA-N O-demycinosyltylosin Natural products O=CCC1CC(C)C(=O)C=CC(C)=CC(CO)C(CC)OC(=O)CC(O)C(C)C1OC1C(O)C(N(C)C)C(OC2OC(C)C(O)C(C)(O)C2)C(C)O1 ZVOOGERIHVAODX-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- REIDAMBAPLIATC-UHFFFAOYSA-N 4-methoxycarbonylbenzoic acid Chemical compound COC(=O)C1=CC=C(C(O)=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-N 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00008256A US3839414A (en) | 1970-02-03 | 1970-02-03 | Dimethyl terephthalate manufacturing process |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2105017A1 DE2105017A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-12 |
| DE2105017B2 DE2105017B2 (de) | 1979-10-25 |
| DE2105017C3 true DE2105017C3 (de) | 1980-07-10 |
Family
ID=21730618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2105017A Expired DE2105017C3 (de) | 1970-02-03 | 1971-02-03 | Kontinuierliches Verfahren zur Herstellung von Dimethylterephthalat |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6545061B1 (en) | 2000-08-01 | 2003-04-08 | Eastman Chemical Company | Recycling of polyethylene terephthalate with regeneration of acetic acid |
| DE10316466A1 (de) * | 2003-04-09 | 2004-10-28 | Basf Ag | Kühlung und Reinigung von Gasströmen |
| DE102004013967A1 (de) | 2004-03-19 | 2005-10-06 | Basf Ag | Kühlung und Reinigung von Gasströmen |
| US8541616B2 (en) * | 2009-02-13 | 2013-09-24 | Eastman Chemical Company | Addition of a methyl hydrogen terephthalate reactor to a dimethyl terephthalate process |
| KR102501597B1 (ko) | 2019-09-25 | 2023-02-20 | 주식회사 엘지화학 | 디에스테르계 조성물의 제조 시스템 및 제조방법 |
-
1970
- 1970-02-03 US US00008256A patent/US3839414A/en not_active Expired - Lifetime
-
1971
- 1971-01-15 CA CA102,829A patent/CA963476A/en not_active Expired
- 1971-02-03 DE DE2105017A patent/DE2105017C3/de not_active Expired
- 1971-02-03 FR FR7103531A patent/FR2078110A5/fr not_active Expired
- 1971-04-19 GB GB2056171A patent/GB1338773A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2078110A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-11-05 |
| CA963476A (en) | 1975-02-25 |
| DE2105017B2 (de) | 1979-10-25 |
| GB1338773A (en) | 1973-11-28 |
| DE2105017A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-12 |
| US3839414A (en) | 1974-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |