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 ROBERT BAYER, HELMUT MEFFERT, ATES ERK, RALF MAR, HERMANN JOSEF FEISE, JORG KRESS, TOBIAS PETSCH, MARIANNA PIEROBON, JULIA BRODERSEN
Format Patent
LanguageEnglish
Published 03.04.2008
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: AU20070301951