JPS6153341B2 - - Google Patents
Info
- Publication number
- JPS6153341B2 JPS6153341B2 JP3655083A JP3655083A JPS6153341B2 JP S6153341 B2 JPS6153341 B2 JP S6153341B2 JP 3655083 A JP3655083 A JP 3655083A JP 3655083 A JP3655083 A JP 3655083A JP S6153341 B2 JPS6153341 B2 JP S6153341B2
- Authority
- JP
- Japan
- Prior art keywords
- caprolactam
- passed
- aqueous solution
- ion exchange
- crude
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 86
- 150000001768 cations Chemical class 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000004821 distillation Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 description 13
- 239000012535 impurity Substances 0.000 description 10
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 9
- 238000005342 ion exchange Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 239000003456 ion exchange resin Substances 0.000 description 6
- 229920003303 ion-exchange polymer Polymers 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000003729 cation exchange resin Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229940023913 cation exchange resins Drugs 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Other In-Based Heterocyclic Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3655083A JPS59163366A (ja) | 1983-03-08 | 1983-03-08 | カプロラクタムの精製方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3655083A JPS59163366A (ja) | 1983-03-08 | 1983-03-08 | カプロラクタムの精製方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59163366A JPS59163366A (ja) | 1984-09-14 |
| JPS6153341B2 true JPS6153341B2 (fr) | 1986-11-17 |
Family
ID=12472869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3655083A Granted JPS59163366A (ja) | 1983-03-08 | 1983-03-08 | カプロラクタムの精製方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59163366A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007099029A2 (fr) * | 2006-02-24 | 2007-09-07 | Basf Aktiengesellschaft | Procédé de nettoyage de caprolactame fabriqué à partir de lysine |
-
1983
- 1983-03-08 JP JP3655083A patent/JPS59163366A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59163366A (ja) | 1984-09-14 |
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