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...

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Bibliographic Details
Main Authors PETSCH, TOBIAS, FEISE, HERMANN JOSEF, BAYER, ROBERT, BRODERSEN, JULIA, PIEROBON, MARIANNA, MAR, RALF, MEFFERT, HELMUT, ERK, ATES, KRESS, JOERG
Format Patent
LanguageEnglish
French
German
Published 02.01.2013
Subjects
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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Summary: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.
Bibliography:Application Number: EP20070820667