SU168705A1 - - Google Patents
Info
- Publication number
- SU168705A1 SU168705A1 SU774631A SU774631A SU168705A1 SU 168705 A1 SU168705 A1 SU 168705A1 SU 774631 A SU774631 A SU 774631A SU 774631 A SU774631 A SU 774631A SU 168705 A1 SU168705 A1 SU 168705A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- caprolactam
- distillation
- purification
- added
- mixture
- Prior art date
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 16
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 229960000583 acetic acid Drugs 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- PWXIKGAMKWRXHD-UHFFFAOYSA-N 3-butylaziridin-2-one Chemical compound CCCCC1NC1=O PWXIKGAMKWRXHD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU168705A1 true SU168705A1 (cs) |
Family
ID=
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5227028A (en) * | 1990-07-06 | 1993-07-13 | Dsm N.V. | Process for treating amides |
| US6706153B2 (en) * | 1996-07-11 | 2004-03-16 | Dsm N.V. | Process for the separation of a ketoxime or aldoxime from an amide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5227028A (en) * | 1990-07-06 | 1993-07-13 | Dsm N.V. | Process for treating amides |
| US6706153B2 (en) * | 1996-07-11 | 2004-03-16 | Dsm N.V. | Process for the separation of a ketoxime or aldoxime from an amide |
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