VERFAHREN ZUR AUFARBEITUNG VON DESTILLATIONSRUECKSTAENDEN, DIE BEI DER REINIGUNG VON CAPROLACTAM ANFALLEN
Distillation residues from the purification of caprolactam are worked up by heating in the presence of sodium hydroxide or potassium hydroxide and in the presence of a high-boiling hydrocarbon at from 250 DEG to 500 DEG C. and continuously removing the caprolactam.
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| Format: | Patent |
| Sprache: | ger |
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| Zusammenfassung: | Distillation residues from the purification of caprolactam are worked up by heating in the presence of sodium hydroxide or potassium hydroxide and in the presence of a high-boiling hydrocarbon at from 250 DEG to 500 DEG C. and continuously removing the caprolactam. |
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