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...

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Hauptverfasser: BRODERSEN JULIA, MAR RALF, PIEROBON MARIANNA, KRE JOERG, FEISE HERMANN JOSEF, ERK ATES, MEFFERT HELMUT, PETSCH TOBIAS, BAYER ROBERT
Format: Patent
Sprache:eng
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator BRODERSEN JULIA
MAR RALF
PIEROBON MARIANNA
KRE JOERG
FEISE HERMANN JOSEF
ERK ATES
MEFFERT HELMUT
PETSCH TOBIAS
BAYER ROBERT
description 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.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Method for regenerating an auxiliary filtering agent
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