CA1066302A - Methode de production d'acides aromatiques - Google Patents
Methode de production d'acides aromatiquesInfo
- Publication number
- CA1066302A CA1066302A CA250,254A CA250254A CA1066302A CA 1066302 A CA1066302 A CA 1066302A CA 250254 A CA250254 A CA 250254A CA 1066302 A CA1066302 A CA 1066302A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- hydrolysis
- equilibrium
- reboiler
- aromatic
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- 159000000032 aromatic acids Chemical class 0.000 title description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000007062 hydrolysis Effects 0.000 claims abstract description 36
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 36
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000004821 distillation Methods 0.000 claims abstract description 14
- -1 aromatic nitrile Chemical class 0.000 claims abstract description 13
- 238000000066 reactive distillation Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000002825 nitriles Chemical class 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 19
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- BHXFKXOIODIUJO-UHFFFAOYSA-N benzene-1,4-dicarbonitrile Chemical group N#CC1=CC=C(C#N)C=C1 BHXFKXOIODIUJO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 150000002790 naphthalenes Chemical class 0.000 claims description 4
- 229920006391 phthalonitrile polymer Polymers 0.000 claims description 4
- XQZYPMVTSDWCCE-UHFFFAOYSA-N phthalonitrile Chemical compound N#CC1=CC=CC=C1C#N XQZYPMVTSDWCCE-UHFFFAOYSA-N 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000047 product Substances 0.000 description 10
- 150000001408 amides Chemical class 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000413 hydrolysate Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- FUKWTMJZHKZKFA-UHFFFAOYSA-N 4-cyanobenzamide Chemical compound NC(=O)C1=CC=C(C#N)C=C1 FUKWTMJZHKZKFA-UHFFFAOYSA-N 0.000 description 1
- ADCUEPOHPCPMCE-UHFFFAOYSA-N 4-cyanobenzoic acid Chemical compound OC(=O)C1=CC=C(C#N)C=C1 ADCUEPOHPCPMCE-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- CKOAELPFZQZJHS-UHFFFAOYSA-N [NH4+].NC(=O)C1=CC=C(C([O-])=O)C=C1 Chemical compound [NH4+].NC(=O)C1=CC=C(C([O-])=O)C=C1 CKOAELPFZQZJHS-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- XSOHCQBMTDEBAD-UHFFFAOYSA-N azane Chemical compound N.N.N XSOHCQBMTDEBAD-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- LAQPNDIUHRHNCV-UHFFFAOYSA-N isophthalonitrile Chemical compound N#CC1=CC=CC(C#N)=C1 LAQPNDIUHRHNCV-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- ZNPWYAMBOPRTHW-UHFFFAOYSA-N naphthalene-1,2-dicarbonitrile Chemical compound C1=CC=CC2=C(C#N)C(C#N)=CC=C21 ZNPWYAMBOPRTHW-UHFFFAOYSA-N 0.000 description 1
- ZBFVJRBOKDTSMO-UHFFFAOYSA-N naphthalene-2,6-dicarbonitrile Chemical compound C1=C(C#N)C=CC2=CC(C#N)=CC=C21 ZBFVJRBOKDTSMO-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA250,254A CA1066302A (fr) | 1976-04-14 | 1976-04-14 | Methode de production d'acides aromatiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA250,254A CA1066302A (fr) | 1976-04-14 | 1976-04-14 | Methode de production d'acides aromatiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066302A true CA1066302A (fr) | 1979-11-13 |
Family
ID=4105714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA250,254A Expired CA1066302A (fr) | 1976-04-14 | 1976-04-14 | Methode de production d'acides aromatiques |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1066302A (fr) |
-
1976
- 1976-04-14 CA CA250,254A patent/CA1066302A/fr not_active Expired
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