REMOVAL OF CONTAMINANTS FROM N-METHYL-2-PYRROLIDONE

A process is provided for removing at least one contaminant selected from the group consisting of phenol, thiophenol, and phenyl disulfide from contaminated NMP by reacting at least one monohalogenated aromatic compound and a base with the contaminated NMP. L'invention concerne un procédé d...

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Bibliographische Detailangaben

Hauptverfasser:	GREEN, RICHARD, A, GEIBEL, JON, F
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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