METHOD OF RECTIFICATION SEPARATION OF (METH)ACRYLIC ACID FROM MIXTURE CONTAINING (METH)ACRYLIC ACID

METHOD OF RECTIFICATION SEPARATION OF (METH)ACRYLIC ACID FROM MIXTURE CONTAINING (METH)ACRYLIC ACID

In the sepn. of (meth)acrylic acid (I) from mixts. by rectification, in which (I) is discharged from the column at a point higher than the inlet for the mixt., the refluxing liq. is removed in at least one position of the column, the oligomerised and/or polymerised (I) is sepd. and the liq. is recyc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NESTLER GERHARD DR, HAMMON ULRICH DR, HERBST HOLGER DR
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:In the sepn. of (meth)acrylic acid (I) from mixts. by rectification, in which (I) is discharged from the column at a point higher than the inlet for the mixt., the refluxing liq. is removed in at least one position of the column, the oligomerised and/or polymerised (I) is sepd. and the liq. is recycled to the column.