BE518687A - - Google Patents
Info
- Publication number
- BE518687A BE518687A BE518687DA BE518687A BE 518687 A BE518687 A BE 518687A BE 518687D A BE518687D A BE 518687DA BE 518687 A BE518687 A BE 518687A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- nitrile
- ammonia
- distillation
- column
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 30
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 27
- -1 acrylic nitrile Chemical class 0.000 claims description 13
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 7
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 5
- 238000000998 batch distillation Methods 0.000 claims description 2
- 238000004821 distillation Methods 0.000 description 13
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 10
- 150000002825 nitriles Chemical class 0.000 description 10
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- AUBDSFLQOBEOPX-UHFFFAOYSA-N hexa-1,5-dien-3-yne Chemical group C=CC#CC=C AUBDSFLQOBEOPX-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 210000002196 fr. b Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518687A true BE518687A (enrdf_load_stackoverflow) |
Family
ID=155163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518687D BE518687A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE518687A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838560A (en) * | 1955-06-02 | 1958-06-10 | Lonza Electric & Chem Works | Manufacture of acrylonitrile |
| DE1205084B (de) * | 1959-02-14 | 1965-11-18 | Edison Soc | Verfahren zur Reinigung von rohem, waessrigem Acrylsaeurenitril, welches durch Umsetzung von Acetylen mit Blausaeure entstanden ist |
-
0
- BE BE518687D patent/BE518687A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838560A (en) * | 1955-06-02 | 1958-06-10 | Lonza Electric & Chem Works | Manufacture of acrylonitrile |
| DE1205084B (de) * | 1959-02-14 | 1965-11-18 | Edison Soc | Verfahren zur Reinigung von rohem, waessrigem Acrylsaeurenitril, welches durch Umsetzung von Acetylen mit Blausaeure entstanden ist |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0461096B1 (fr) | Procédé de fabrication de N-phénylmaléimide | |
| FR2924115A1 (fr) | Procede de preparation d'un acide trifluoromethanesulfinique | |
| WO2020136337A1 (fr) | Purification d'hydroperoxyde d'alkyle par distillation extractive | |
| BE467101A (fr) | Procédé de purification de nitriles | |
| BE518687A (enrdf_load_stackoverflow) | ||
| FR2619809A1 (fr) | Procede de preparation d'acide fumarique pur | |
| EP0131981A1 (fr) | Procédé de préparation d'esters furanniques par réaction de transestérification | |
| BE1014696A5 (fr) | Procede pour la dissociation catalysee par un acide d'hydroperoxyde du cumene. | |
| EP0200621B1 (fr) | Procédé de synthèse du trifluoro-2,2,2 éthanol | |
| BE368350A (fr) | Procédé pour la production d'urée | |
| EP3902782A1 (fr) | Purification d'hydroperoxyde d'alkyle par distillation en presence de methanol et d'eau | |
| FR2673942A1 (fr) | Procede de preparation de l'acide (e)-propyl-2 pentene-2 ouique et composes intermediaires. | |
| JPS58185550A (ja) | エチレンシアノヒドリンの製造法 | |
| EP2874988A1 (fr) | Procédé de préparation de composés diacides | |
| BE871155A (fr) | Procede de preparation de composes azoiques | |
| CH382186A (fr) | Procédé pour la fabrication d'un chlorométhyldihydrosafrol | |
| BE560708A (enrdf_load_stackoverflow) | ||
| CH315590A (fr) | Procédé de préparation de guanamines | |
| BE408470A (enrdf_load_stackoverflow) | ||
| FR2495138A1 (fr) | Procede de preparation de l'acide gloxylique | |
| EP1288185A2 (fr) | Stabilisation de l'acroleine | |
| BE568444A (enrdf_load_stackoverflow) | ||
| CH263277A (fr) | Procédé continu pour la fabrication de l'acide crotonique. | |
| BE443380A (enrdf_load_stackoverflow) | ||
| CH276719A (fr) | Procédé de préparation de la méthionine. |