PROCESS FOR IMPROVING COLOR AND COLOR STABILITY OF OLEIC ACID

The invention is a method for improving the color and color stability of oleic acid by a two column distillation process in which the oleic acid to be color improved is introduced into a first distillation zone containing an enriching section and a stripping section providing a minor amount of a top...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EWBANK, EDWARD, L, ANNEKEN, DAVID, J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention is a method for improving the color and color stability of oleic acid by a two column distillation process in which the oleic acid to be color improved is introduced into a first distillation zone containing an enriching section and a stripping section providing a minor amount of a topping product and a major amount of underflow containing the oleic acid and passing the oleic acid to a bottom portion of a second distillation zone having an enriching section to recover the improved oleic acid with improved color and color stability as a top product from the second distillation zone.