PL46843B1 - - Google Patents
Download PDFInfo
- Publication number
- PL46843B1 PL46843B1 PL46843A PL4684361A PL46843B1 PL 46843 B1 PL46843 B1 PL 46843B1 PL 46843 A PL46843 A PL 46843A PL 4684361 A PL4684361 A PL 4684361A PL 46843 B1 PL46843 B1 PL 46843B1
- Authority
- PL
- Poland
- Prior art keywords
- distilled
- toluene
- benzoic acid
- vessel
- distillation
- Prior art date
Links
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 27
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 20
- 239000005711 Benzoic acid Substances 0.000 claims description 10
- 235000010233 benzoic acid Nutrition 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- -1 alicyclic hydrocarbons Chemical class 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims 1
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- SESFRYSPDFLNCH-UHFFFAOYSA-N benzyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCC1=CC=CC=C1 SESFRYSPDFLNCH-UHFFFAOYSA-N 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229960002903 benzyl benzoate Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL46843B1 true PL46843B1 (https=) | 1963-04-15 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0840974A (ja) | アクリル酸精製法 | |
| US4262140A (en) | Production of anhydrous or substantially anhydrous formic acid | |
| US3507755A (en) | Process for the purification of acrylonitrile by distillation with side stream withdrawal and decantation | |
| JPS60218355A (ja) | 蟻酸メチルを加水分解することにより無水又は十分に無水の蟻酸を收得する方法 | |
| US3013954A (en) | Separation of organic mixtures | |
| US3527677A (en) | Process for dehydration of aqueous acrylic acid solutions by extractive - azeotropic distillation with 2-ethylhexanol or 2-ethylhexylacrylate | |
| JPS60104026A (ja) | 水及びメタノールを含有する６乃至２０個のｃ‐原子を有する高級アルコールの蒸留後処理法 | |
| PL46843B1 (https=) | ||
| BR0107823B1 (pt) | processo para a obtenção de ácido fórmico anidro ou substancialmente anidro, uso de uma carboxamida, e, aparelho para realizar um processo. | |
| US4308112A (en) | Process for the isolation of pyrocatechol and hydroquinone | |
| JPS59181235A (ja) | カルボニル化合物の製造方法 | |
| KR100716095B1 (ko) | 규격에 따른 프탈산 무수물의 제조 방법 | |
| US2665195A (en) | Chlorine from hci | |
| JPH0330580B2 (https=) | ||
| US3173938A (en) | Manufacture and separation of isobutyronitrile and isobutyl alcohol | |
| US3957730A (en) | Recovery of pure 2-methyl-2-hydroxy-heptanone-6 | |
| GB772145A (en) | A process for purifying ethylene oxide | |
| PL63551B1 (https=) | ||
| SU437269A1 (ru) | Способ выделени уксусной кислоты из водного раствора | |
| DE1593246C3 (de) | Verfahren zur Extraktion von Citraconsäure | |
| GB877622A (en) | Isopropanol purification process | |
| SU413136A1 (https=) | ||
| TH13571B (th) | กระบวนการผลิตกรดอะคริลิค | |
| US2851487A (en) | Production of phthalic acids | |
| GB1075208A (en) | Azeotropic distillation process |