BE508058A - - Google Patents
Info
- Publication number
- BE508058A BE508058A BE508058DA BE508058A BE 508058 A BE508058 A BE 508058A BE 508058D A BE508058D A BE 508058DA BE 508058 A BE508058 A BE 508058A
- Authority
- BE
- Belgium
- Prior art keywords
- dimethylacetamide
- dimethylamine
- liquid
- vapor
- condenser
- Prior art date
Links
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 40
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 30
- 229940113088 dimethylacetamide Drugs 0.000 description 30
- 239000007788 liquid Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 238000009835 boiling Methods 0.000 description 10
- 238000004821 distillation Methods 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000005194 fractionation Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic anhydride Substances CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 1
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical compound CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE508058A true BE508058A (en)van) |
Family
ID=147863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508058D BE508058A (en)van) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE508058A (en)van) |
-
0
- BE BE508058D patent/BE508058A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2565569A (en) | Formaldehyde purification | |
| BE508058A (en)van) | ||
| TWI336692B (en)van) | ||
| US5929255A (en) | Process for coproducing fumaric acid and maleic anhydride | |
| US2667451A (en) | Process for removing small quantities of dimethylamine from dimethylacetamide | |
| BE591327A (en)van) | ||
| CH401029A (fr) | Procédé de nettoyage d'un appareil portant un dépôt d'acide maléique brut et de goudrons | |
| CH416619A (fr) | Procédé d'oxydation partielle des hydrocarbures en phase liquide | |
| BE584164A (en)van) | ||
| JPH02501307A (ja) | カプロラクタムの回収方法および装置 | |
| CH393353A (fr) | Procédé pour éliminer les impuretés de l'hexaméthylène diamine | |
| BE430303A (en)van) | ||
| CH414626A (fr) | Procédé d'oxydation d'hydrocarbures en alcools et cétones | |
| BE399070A (en)van) | ||
| CH449614A (fr) | Procédé d'oxydation partielle des hydrocarbures en phase liquide | |
| CN119638655A (zh) | 一种冷凝回收苯酐工艺 | |
| BE426926A (en)van) | ||
| BE571099A (en)van) | ||
| CH280470A (fr) | Procédé de préparation d'esters et appareil pour sa mise en oeuvre. | |
| BE672943A (en)van) | ||
| CH335648A (fr) | Procédé de préparation d'anhydride phtalique | |
| BE544478A (en)van) | ||
| BE735195A (en)van) | ||
| BE512536A (en)van) | ||
| CH362060A (fr) | Procédé pour éliminer les substances carbonées volatiles des solutions aqueuses de peroxyde d'hydrogène |