DE1950080A1 - Verfahren zur Herstellung von Terephthalsaeure - Google Patents
Verfahren zur Herstellung von TerephthalsaeureInfo
- Publication number
- DE1950080A1 DE1950080A1 DE19691950080 DE1950080A DE1950080A1 DE 1950080 A1 DE1950080 A1 DE 1950080A1 DE 19691950080 DE19691950080 DE 19691950080 DE 1950080 A DE1950080 A DE 1950080A DE 1950080 A1 DE1950080 A1 DE 1950080A1
- Authority
- DE
- Germany
- Prior art keywords
- acetone
- tpa
- terephthalic acid
- water
- preparation
- 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.)
- Pending
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 9
- 230000008569 process Effects 0.000 title claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- -1 p-xylene Chemical class 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 8
- 150000002576 ketones Chemical class 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- YPJUNDFVDDCYIH-UHFFFAOYSA-N perfluorobutyric acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)F YPJUNDFVDDCYIH-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000005711 Benzoic acid Substances 0.000 description 4
- 235000010233 benzoic acid Nutrition 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 150000003022 phthalic acids Chemical class 0.000 description 2
- OZXIZRZFGJZWBF-UHFFFAOYSA-N 1,3,5-trimethyl-2-(2,4,6-trimethylphenoxy)benzene Chemical compound CC1=CC(C)=CC(C)=C1OC1=C(C)C=C(C)C=C1C OZXIZRZFGJZWBF-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- SHOJXDKTYKFBRD-UHFFFAOYSA-N mesityl oxide Natural products CC(C)=CC(C)=O SHOJXDKTYKFBRD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 description 1
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 1
- 229920003190 poly( p-benzamide) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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 |
|---|---|---|---|
| US76493768A | 1968-10-03 | 1968-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1950080A1 true DE1950080A1 (de) | 1970-04-09 |
Family
ID=25072213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691950080 Pending DE1950080A1 (de) | 1968-10-03 | 1969-10-03 | Verfahren zur Herstellung von Terephthalsaeure |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE739431A (enrdf_load_stackoverflow) |
| BR (1) | BR6912705D0 (enrdf_load_stackoverflow) |
| DE (1) | DE1950080A1 (enrdf_load_stackoverflow) |
| DK (1) | DK122384B (enrdf_load_stackoverflow) |
| FR (1) | FR2019863A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1229133A (enrdf_load_stackoverflow) |
| NL (1) | NL6914101A (enrdf_load_stackoverflow) |
-
1969
- 1969-09-17 NL NL6914101A patent/NL6914101A/xx unknown
- 1969-09-25 BR BR21270569A patent/BR6912705D0/pt unknown
- 1969-09-26 GB GB1229133D patent/GB1229133A/en not_active Expired
- 1969-09-26 BE BE739431D patent/BE739431A/xx unknown
- 1969-10-02 DK DK526669A patent/DK122384B/da unknown
- 1969-10-03 DE DE19691950080 patent/DE1950080A1/de active Pending
- 1969-10-03 FR FR6933943A patent/FR2019863A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6914101A (enrdf_load_stackoverflow) | 1970-04-07 |
| GB1229133A (enrdf_load_stackoverflow) | 1971-04-21 |
| BE739431A (enrdf_load_stackoverflow) | 1970-03-02 |
| BR6912705D0 (pt) | 1973-01-11 |
| DK122384B (da) | 1972-02-28 |
| FR2019863A1 (enrdf_load_stackoverflow) | 1970-07-10 |
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