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:	PETSCH, TOBIAS, FEISE, HERMANN JOSEF, BAYER, ROBERT, BRODERSEN, JULIA, PIEROBON, MARIANNA, MAR, RALF, MEFFERT, HELMUT, ERK, ATES, KRESS, JOERG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGEING BEER BIOCHEMISTRY CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLARIFICATION ENZYMOLOGY METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PASTEURISATION PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION PURIFICATION SEPARATION SPIRITS STERILISATION THEIR RELEVANT APPARATUS 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.