BE574987A - - Google Patents
Info
- Publication number
- BE574987A BE574987A BE574987DA BE574987A BE 574987 A BE574987 A BE 574987A BE 574987D A BE574987D A BE 574987DA BE 574987 A BE574987 A BE 574987A
- Authority
- BE
- Belgium
- Prior art keywords
- acrylonitrile
- acrolein
- water
- column
- phase
- Prior art date
Links
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 71
- HGINCPLSRVDWNT-UHFFFAOYSA-N acrylaldehyde Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000012071 phase Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 25
- 239000007858 starting material Substances 0.000 claims description 19
- 239000008346 aqueous phase Substances 0.000 claims description 13
- 238000004508 fractional distillation Methods 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 239000000047 product Substances 0.000 description 13
- LELOWRISYMNNSU-UHFFFAOYSA-N Hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 238000005194 fractionation Methods 0.000 description 6
- WQGWDDDVZFFDIG-UHFFFAOYSA-N Pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000003197 catalytic Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229940079877 Pyrogallol Drugs 0.000 description 2
- 230000005591 charge neutralization Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000008360 acrylonitriles Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229960001948 caffeine Drugs 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000011084 recovery 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 |
|---|---|
| BE574987A true BE574987A (da) |
Family
ID=190779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE574987D BE574987A (da) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE574987A (da) |
-
0
- BE BE574987D patent/BE574987A/fr unknown
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