DE1909691C - - Google Patents
Info
- Publication number
- DE1909691C DE1909691C DE19691909691 DE1909691A DE1909691C DE 1909691 C DE1909691 C DE 1909691C DE 19691909691 DE19691909691 DE 19691909691 DE 1909691 A DE1909691 A DE 1909691A DE 1909691 C DE1909691 C DE 1909691C
- Authority
- DE
- Germany
- Prior art keywords
- terephthalic acid
- parts
- acid
- mixture
- solvent
- 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
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 55
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 44
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Natural products CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 16
- 238000001953 recrystallisation Methods 0.000 claims description 12
- 239000011877 solvent mixture Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 description 19
- 229960000583 Acetic Acid Drugs 0.000 description 18
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 description 17
- 239000002904 solvent Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 230000003287 optical Effects 0.000 description 12
- 239000012535 impurity Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 150000002576 ketones Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 125000004432 carbon atoms Chemical group C* 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- URLKBWYHVLBVBO-UHFFFAOYSA-N p-xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-N propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- HUMNYLRZRPPJDN-UHFFFAOYSA-N Benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butanoic acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- -1 Äiiiyl- Chemical group 0.000 description 2
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- WJTCGQSWYFHTAC-UHFFFAOYSA-N Cyclooctane Chemical compound C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 description 1
- 150000008062 acetophenones Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229940095076 benzaldehyde Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 210000004027 cells Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004914 cyclooctane Substances 0.000 description 1
- NLUNLVTVUDIHFE-UHFFFAOYSA-N cyclooctylcyclooctane Chemical compound C1CCCCCCC1C1CCCCCCC1 NLUNLVTVUDIHFE-UHFFFAOYSA-N 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002452 interceptive Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 239000012063 pure reaction product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004758 synthetic textile Substances 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical class [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR141514 | 1968-02-26 | ||
| FR141514 | 1968-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1909691A1 DE1909691A1 (de) | 1969-09-18 |
| DE1909691C true DE1909691C (ru) | 1973-05-24 |
Family
ID=8646634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691909691 Granted DE1909691A1 (de) | 1968-02-26 | 1969-02-26 | Verfahren zum Reinigen von Terephthalsaeure |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3646125A (ru) |
| BE (1) | BE728930A (ru) |
| DE (1) | DE1909691A1 (ru) |
| FR (1) | FR1569704A (ru) |
| GB (1) | GB1223408A (ru) |
| NL (1) | NL6902211A (ru) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910998A (en) * | 1971-04-12 | 1975-10-07 | Teijin Ltd | Process for preparation of substantially refined methylterephthalic and or 4-methylisophthalic acid |
| GB9102393D0 (en) * | 1991-02-05 | 1991-03-20 | Ici Plc | Production of terephthalic acid |
-
1968
- 1968-02-26 FR FR141514A patent/FR1569704A/fr not_active Expired
-
1969
- 1969-02-10 US US798129A patent/US3646125A/en not_active Expired - Lifetime
- 1969-02-12 NL NL6902211A patent/NL6902211A/xx unknown
- 1969-02-20 GB GB9368/69A patent/GB1223408A/en not_active Expired
- 1969-02-25 BE BE728930D patent/BE728930A/xx unknown
- 1969-02-26 DE DE19691909691 patent/DE1909691A1/de active Granted
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