Process for the separation of dicarboxylic acids

A process for separation of multicomponent mixtures of dicarboxylic acids, especially, mixtures of C8-C24 saturated and unsaturated acids is derived from a fermentation process, in which an aqueous feed solution containing the mixture of dicarboxylic acids is adjusted in pH value depending on the pe...

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Bibliographische Detailangaben
Hauptverfasser:	SCHINDLER, JOACHIM, VIEHWEG, HOLGER, WALDHOFF, HEINRICH
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for separation of multicomponent mixtures of dicarboxylic acids, especially, mixtures of C8-C24 saturated and unsaturated acids is derived from a fermentation process, in which an aqueous feed solution containing the mixture of dicarboxylic acids is adjusted in pH value depending on the permeability of the component to be separated and over 95% of the saturated component is separated from the unsaturated material by passing the mixture is content with a membrane filter.