BE486780A - - Google Patents
Info
- Publication number
- BE486780A BE486780A BE486780DA BE486780A BE 486780 A BE486780 A BE 486780A BE 486780D A BE486780D A BE 486780DA BE 486780 A BE486780 A BE 486780A
- Authority
- BE
- Belgium
- Prior art keywords
- water
- distillation
- lactam
- solvent
- solution
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 150000003951 lactams Chemical class 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 15
- 238000004821 distillation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 239000012454 non-polar solvent Substances 0.000 claims description 5
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 9
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 238000005292 vacuum distillation Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486780A true BE486780A (en:Method) |
Family
ID=132373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486780D BE486780A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE486780A (en:Method) |
-
0
- BE BE486780D patent/BE486780A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2739377A1 (fr) | Procede de purification d'acide acetique | |
| FR2507097A1 (fr) | Procede et appareil pour la vaporisation et la condensation automatiques et continues | |
| BE486780A (en:Method) | ||
| FR2771089A1 (fr) | Procede de production d'acide acrylique | |
| WO2020136337A1 (fr) | Purification d'hydroperoxyde d'alkyle par distillation extractive | |
| EP0037349B1 (fr) | Procédé de préparation d'O,O-diméthyl-phosphorodithioate de mercaptosuccinate d'ethyl (malathion(R)) | |
| FR2543155A1 (fr) | Procede de fabrication d'aromes purs a partir d'huiles essentielles et aromes obtenus | |
| FR2777560A1 (fr) | Procede de purification de polyamines aromatiques | |
| FR2619106A1 (fr) | Procede de production d'alcool sensiblement anhydre renfermant au moins 2 atomes de carbone par distillation et extraction d'une solution aqueuse de cet alcool | |
| BE353792A (en:Method) | ||
| BE559665A (en:Method) | ||
| CH137207A (fr) | Procédé d'obtention de l'acide acétique anhydre à partir d'acide dilué. | |
| FR2672065A1 (fr) | Procede pour la recuperation d'acides aliphatiques et de sucres a partir d'une solution epuisee de preparation de pate a papier. | |
| CH373374A (fr) | Procédé de fabrication de l'anhydride maléique | |
| EP0211713A1 (fr) | Procédé et installation de fabrication de furfural à partir de solutions aqueuses liquides de xyloses, de préférence à partir d'une liqueur noire résiduelle de fabrication de pâte à papier ou de pâte textile | |
| BE381363A (en:Method) | ||
| BE369591A (en:Method) | ||
| EP3902782A1 (fr) | Purification d'hydroperoxyde d'alkyle par distillation en presence de methanol et d'eau | |
| BE532887A (en:Method) | ||
| CH416619A (fr) | Procédé d'oxydation partielle des hydrocarbures en phase liquide | |
| BE485618A (en:Method) | ||
| BE611720A (en:Method) | ||
| BE614317A (en:Method) | ||
| BE405872A (en:Method) | ||
| CH295047A (fr) | Procédé d'extraction de l'acide acétique de ses solutions aqueuses au moyen de solvants. |