BE529923A - - Google Patents
Info
- Publication number
- BE529923A BE529923A BE529923DA BE529923A BE 529923 A BE529923 A BE 529923A BE 529923D A BE529923D A BE 529923DA BE 529923 A BE529923 A BE 529923A
- Authority
- BE
- Belgium
- Prior art keywords
- acids
- distillation
- product
- water
- column
- Prior art date
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 44
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000004821 distillation Methods 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 25
- 235000011054 acetic acid Nutrition 0.000 claims description 20
- 150000007513 acids Chemical class 0.000 claims description 20
- 235000019253 formic acid Nutrition 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 238000004508 fractional distillation Methods 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 15
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 150000001243 acetic acids Chemical class 0.000 claims description 9
- -1 aliphatic monocarboxylic acids Chemical class 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 150000004674 formic acids Chemical class 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims 1
- 238000005292 vacuum distillation Methods 0.000 claims 1
- 239000000727 fraction Substances 0.000 description 41
- 230000003647 oxidation Effects 0.000 description 24
- 238000007254 oxidation reaction Methods 0.000 description 24
- 239000002585 base Substances 0.000 description 15
- 239000012535 impurity Substances 0.000 description 15
- 239000007791 liquid phase Substances 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 8
- 238000005194 fractionation Methods 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- ZMZINYUKVRMNTG-UHFFFAOYSA-N acetic acid;formic acid Chemical compound OC=O.CC(O)=O ZMZINYUKVRMNTG-UHFFFAOYSA-N 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 5
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000001264 neutralization Effects 0.000 description 4
- 230000002378 acidificating Effects 0.000 description 3
- 230000005591 charge neutralization Effects 0.000 description 3
- 230000001809 detectable Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001728 carbonyl compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001944 continuous distillation Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 230000001590 oxidative Effects 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- NQRLWRODNCDUHY-UHFFFAOYSA-N 6-N,6-N,2-trimethylacridine-3,6-diamine Chemical compound C1=C(C)C(N)=CC2=NC3=CC(N(C)C)=CC=C3C=C21 NQRLWRODNCDUHY-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 230000001747 exhibiting Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 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
- C07C51/43—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 |
|---|---|
| BE529923A true BE529923A (de) |
Family
ID=162740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529923D BE529923A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE529923A (de) |
-
0
- BE BE529923D patent/BE529923A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0047204B1 (de) | Verfahren zur Herstellung wasserfreier Alkohole zur Verwendung als Bestandteile in einem Motorbetriebsstoff | |
| EP1530430B1 (de) | Gewinnungsverfahren einer unverseifbaren avocadofraktion mit einem höheren furanlipidengehalt | |
| EP1246633B1 (de) | Extraktionsverfahren der unverseifbaren aus pflanzenöl mittels 1-chlorbutan | |
| EP3174844B1 (de) | Verbessertes verfahren zur herstellung von alkyl(meth)acrylaten | |
| EP0542596B1 (de) | Verfahren zur Trennung von Ethyl-tert-butyl-ether und Ethanol | |
| EP1198446B1 (de) | Verfahren zur trennung und reinigung eines wässrigen gemisches aus den hauptkomponenten essigsäure und ameisensäure | |
| JPH0611732B2 (ja) | メタクリル酸メチルの精製法 | |
| BE591541A (fr) | Procédé de séparation et application de l'isobutylène | |
| BE529923A (de) | ||
| FR2529196A1 (fr) | Purification de phenol | |
| CH651831A5 (en) | Process for the preparation of tocopherol concentrates | |
| EP0356315B1 (de) | Verfahren zur Herstellung von Methylmethacrylat aus Isobuttersäure | |
| US2349269A (en) | Recovery of tocopherol | |
| FR2630730A1 (fr) | Procede d'obtention du squalane | |
| FR2576303A1 (fr) | Procede d'obtention de squalene et de squalane a partir de sous-produits du raffinage des huiles vegetales | |
| EP2807140A1 (de) | Verfahren zur herstellung von 2-octyl-acrylat durch umesterung | |
| BE512888A (de) | ||
| JP4709355B2 (ja) | 高沸点香料の精製方法 | |
| FR2606663A1 (fr) | Procede de separation extractive d'un acide carboxylique a partir d'une solution aqueuse dudit acide | |
| FR2802547A1 (fr) | Procede d'extraction et de fractionnement de matieres grasses par solvant, mettant en oeuvre au moins un hydrofluoroether | |
| BE523389A (de) | ||
| US2520470A (en) | Process of treating fatty acids | |
| BE405872A (de) | ||
| CH288171A (fr) | Procédé de préparation du phénol. | |
| BE443393A (fr) | Produit applicable en tannerie et son procédé de fabrication |