Method for regenerating a filter aid

Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting...

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Bibliographische Detailangaben
Hauptverfasser: BRODERSEN JULIA, MAR RALF, PIEROBON MARIANNA, FEISE HERMANN JOSEF, ERK ATES, KRESS JOERG, LACHMUTH RALF, MEFFERT HELMUT, PETSCH TOBIAS, BAYER ROBERT
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting the filter aid a second treatment with the aqueous alkaline solution. The enzyme treatment and the surfactant treatment steps may be carried out simultaneously or in any order.