Recovery of -caprolactam

Recovery of -caprolactam

Process to separate -caprolactam from an aqueous mixture containing -caprolactam and at least 0.5 wt% oligomers, wherein the separation is performed by extraction using an organic extraction agent. The aqueous mixture may be obtained in a process to prepare -caprolactam starting from 6-aminocapronit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FRENTZEN, YVONNE HELENE, GUIT, RUDOLF P. M
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Process to separate -caprolactam from an aqueous mixture containing -caprolactam and at least 0.5 wt% oligomers, wherein the separation is performed by extraction using an organic extraction agent. The aqueous mixture may be obtained in a process to prepare -caprolactam starting from 6-aminocapronitrile or in a process to prepare -caprolactam starting from 6-aminocaproic acid.