Method for separating thiophene from mixtures thereof with benzene

Method for separating thiophene from mixtures thereof with benzene

In the extraction, particularly the extractive distillation, of thiophene from a mixture thereof with benzene, a N-alkyl- epsilon -caprolactam, particularly in which the alkyl is of 1-4 carbon atoms, is used as the solvent which is selective for thiophene.

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Bibliographische Detailangaben
Hauptverfasser: KISAN, WERNER, WEHNER, KLAUS, KUNZ, GERALD
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:In the extraction, particularly the extractive distillation, of thiophene from a mixture thereof with benzene, a N-alkyl- epsilon -caprolactam, particularly in which the alkyl is of 1-4 carbon atoms, is used as the solvent which is selective for thiophene.