Process for the continuous purification of crude epsilon-caprolactam
The invention relates to a process for the purification of crude epsilon-caprolactam, wherein crude epsilon-caprolactam prepared by cyclization of alkyl 6-aminocaproate, 6-aminocapronitrile, 6-aminocaproic acid, 6-aminocaproic amide and/or oligomers thereof, is subjected to a crystallization process...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention relates to a process for the purification of crude epsilon-caprolactam, wherein crude epsilon-caprolactam prepared by cyclization of alkyl 6-aminocaproate, 6-aminocapronitrile, 6-aminocaproic acid, 6-aminocaproic amide and/or oligomers thereof, is subjected to a crystallization process. |
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