BE524423A - - Google Patents
Info
- Publication number
- BE524423A BE524423A BE524423DA BE524423A BE 524423 A BE524423 A BE 524423A BE 524423D A BE524423D A BE 524423DA BE 524423 A BE524423 A BE 524423A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- toluic
- acids
- toluic acids
- fraction
- Prior art date
Links
- 239000002253 acid Substances 0.000 claims description 34
- 150000007513 acids Chemical class 0.000 claims description 34
- 238000004821 distillation Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 239000011874 heated mixture Substances 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 15
- 239000008096 xylene Substances 0.000 description 15
- 230000007935 neutral effect Effects 0.000 description 11
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 150000003738 xylenes Chemical class 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000009835 boiling Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- 239000000061 acid fraction Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- MPMSMUBQXQALQI-UHFFFAOYSA-N cobalt phthalocyanine Chemical compound [Co+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 MPMSMUBQXQALQI-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-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
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical class CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 150000001934 cyclohexanes Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005303 weighing Methods 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524423A true BE524423A (OSRAM) |
Family
ID=159042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524423D BE524423A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE524423A (OSRAM) |
-
0
- BE BE524423D patent/BE524423A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2609044B2 (ja) | フェノールタールからのフェノールの抽出法 | |
| JP2006509045A (ja) | テレフタル酸の酸化精製方法 | |
| US4294999A (en) | Preparing oxygen-containing fuel wherein tertiary butyl alcohol is the major product of the process | |
| BE524423A (OSRAM) | ||
| US3681399A (en) | Yields in the preparation of purified phthalic anhydride | |
| CA2808095C (en) | Improving terephthalic acid purge filtration rate by controlling % water in filter feed slurry | |
| US3555083A (en) | Process for the purification of lower fatty acids | |
| US2926191A (en) | Chemical process | |
| US3235588A (en) | Purification of benzoic acid | |
| US2105911A (en) | Purification of phthalic anhydride | |
| US2786020A (en) | Purification of toluic acids | |
| US2785199A (en) | Purification of toluic acids | |
| US4394220A (en) | Process for rectification of propane nitration stream | |
| US3215733A (en) | Oxidation of alkanes and alkyl aromatics to aliphatic and aromatic acids | |
| US6563001B1 (en) | Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon | |
| US5414145A (en) | Production of tertiary butyl alcohol from isobutane | |
| US2431655A (en) | Method of decolorizing aromatic hydrocarbons | |
| BE512888A (OSRAM) | ||
| CH321521A (fr) | Procédé de préparation de l'acide téréphtalique | |
| EP0015831B1 (fr) | Procédé de préparation de naphtalène sulfoné au moins en partie et application du produit obtenu à la purification du naphtalène | |
| CH105937A (fr) | Procédé de préparation de cymène à partir de terpènes monocycliques. | |
| US2851487A (en) | Production of phthalic acids | |
| SU345130A1 (ru) | Способ получения нафталинкарбоновых кислот | |
| US2717912A (en) | Process and apparatus for the purification of benzene | |
| BE602008A (OSRAM) |