VERFAHREN ZUR ABTRENNUNG VON KATALYSATOREN AUS SUSPENSIONEN DURCH FILTRATION

Process for separating off noble metal catalysts which are used in the production of ether carboxylic acids by catalytic oxidation with a suspended catalyst, characterised in that cross-flow filtration is carried out and the filter elements used are pretreated with a medium, composed of one or more...

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Bibliographische Detailangaben
Hauptverfasser: LEUPOLD, ERNST INGO, DETTMEIER, UDO, KAUFFELT, MANFRED, WEICHSELBAUMER, GEORG, HERZOG, WILLI, ZEISBERGER, EDUARD
Format: Patent
Sprache:ger
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Zusammenfassung:Process for separating off noble metal catalysts which are used in the production of ether carboxylic acids by catalytic oxidation with a suspended catalyst, characterised in that cross-flow filtration is carried out and the filter elements used are pretreated with a medium, composed of one or more carboxylic acids, which is not solid under the treatment conditions.