Removal of light impurities from caprolactam by distillation with water

8 This invention is a method of purifying crude caprolactam. The improved method comprises taking a portion of a process stream of crude caprolactam having low boiling impurities and distilling the stream in the presence of water by fractional distillation into an overhead containing water and low b...

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Bibliographische Detailangaben

Hauptverfasser:	FISHER, WILLIAM BERNARD, CRESCENTINI, LAMBERTO, LILLEY, ROY JEFFREY, JR, DECAPRIO, JOSEPH DONALD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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