BE634116A - - Google Patents
Info
- Publication number
- BE634116A BE634116A BE634116DA BE634116A BE 634116 A BE634116 A BE 634116A BE 634116D A BE634116D A BE 634116DA BE 634116 A BE634116 A BE 634116A
- Authority
- BE
- Belgium
- Prior art keywords
- acrylonitrile
- ammonia
- water
- column
- hydrocyanic acid
- Prior art date
Links
- LELOWRISYMNNSU-UHFFFAOYSA-N Hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 38
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 37
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- HGINCPLSRVDWNT-UHFFFAOYSA-N acrylaldehyde Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 8
- 238000000895 extractive distillation Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 230000003197 catalytic Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims 1
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 30
- 239000007789 gas Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 10
- 238000004821 distillation Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- 238000006555 catalytic reaction Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N benzohydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 241000543381 Cliftonia monophylla Species 0.000 description 1
- 241000406221 Hypostomus robinii Species 0.000 description 1
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical compound CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000011105 stabilization Methods 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 |
|---|---|
| BE634116A true BE634116A (de) |
Family
ID=201332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE634116D BE634116A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE634116A (de) |
-
0
- BE BE634116D patent/BE634116A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| LU83463A1 (fr) | Procede pour la separation selective d'hydrogene sulfure a partir de melanges gazeux contenant egalement du gaz carbonique | |
| US7326391B2 (en) | Process for recovery and recycle of ammonia from a vapor stream | |
| KR101579997B1 (ko) | Ｎ２０의 정제 방법 | |
| CA3139339C (fr) | Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage oxime | |
| KR101581062B1 (ko) | 일산화이질소의 정제 방법 | |
| CA1138896A (fr) | Procede de preparation directe d'aldehyde beta-methylthiopropionique | |
| WO2008006977A1 (fr) | Procédé de préparation du 2-hydroxy-4-(méthylthio)butyronitrile et de la méthionine | |
| CA1134863A (en) | Acrylonitrile purification | |
| IE921892A1 (en) | Process for preparing azines | |
| BE634116A (de) | ||
| JP3104312B2 (ja) | アセトニトリルの精製方法 | |
| EP3354327B1 (de) | Rückgewinnung von monomeren | |
| JP3001020B2 (ja) | アセトニトリル精製法 | |
| WO2005049541A2 (fr) | Procede de purification de l’acide (meth)acrylique obtenu par oxydation d’un substrat gazeux | |
| NL1011936C2 (nl) | Werkwijze voor het bereiden van caprolactam. | |
| US5629443A (en) | Highly purified acetonitrile and process for purifying crude acetonitrile | |
| EP2526087A1 (de) | Verfahren zur herstellung von alkylhydroperoxid | |
| EP0011517A2 (de) | Verfahren und Vorrichtung zur Beseitigung von Schwefelwasserstoff aus Gasströmen | |
| FR2903690A1 (fr) | Procede de preparation de la methionine a partir d'acroleine sans isoler de produits intermediaires | |
| CA2655410A1 (fr) | Procede de separation et de purification d'hydroquinone a partir de melanges bruts | |
| RU2804684C2 (ru) | Усовершенствованный способ получения гидрата гидразина с рециркуляцией оксима | |
| CA3139340C (fr) | Procede ameliore de preparation d'hydrate d'hydrazine avec recyclage pyrazoline | |
| WO2020109739A1 (fr) | Purification de solutions aqueuses contenant du formaldehyde, et utilisation de la solution purifiee dans un procede de production d'acide acrylique | |
| JP2002284736A (ja) | 無水酢酸の製造法 | |
| FR2856400A1 (fr) | Procede de fabrication de l'oxime de la methyl ethyl cetone et de l'hydroxylamine base |