METHOD FOR REGENERATING AN AUXILIARY FILTERING AGENT

METHOD FOR REGENERATING AN AUXILIARY FILTERING AGENT

Processes comprising: (i) providing a filter aid comprising a co-extrudate of a water-insoluble polyvinylpyrrolidone and a thermoplastic polymer; (ii) treating the filter aid with aqueous alkali; (iii) subsequently treating the filter aid with an enzyme; and (iv) subsequently thereto carrying out a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BRODERSEN JULIA, MAR RALF, PIEROBON MARIANNA, FEISE HERMANN JOSEF, ERK ATES, MEFFERT HELMUT, PETSCH TOBIAS, BAYER ROBERT, KRESS JORG
Format: Patent
Sprache:eng
Schlagworte:
BEER
BIOCHEMISTRY
BREWING OF BEER
CHEMISTRY
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SPIRITS
TRANSPORTING
VINEGAR
WINE
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Beschreibung
Zusammenfassung:Processes comprising: (i) providing a filter aid comprising a co-extrudate of a water-insoluble polyvinylpyrrolidone and a thermoplastic polymer; (ii) treating the filter aid with aqueous alkali; (iii) subsequently treating the filter aid with an enzyme; and (iv) subsequently thereto carrying out a second treatment with aqueous alkali, to provide a regenerated filter aid, and uses therefor.