Focus on new plants: Postbrauerei Weiler, Weiler im Allgau/Germany. Beer filtration with depth filter cartridges
As an alternative to filtration with the well-established depth filter sheets, filtration with depth filter cartridges is gaining ground. E. Begerow GmbH & Co. of Langenlonsheim/Germany present a two-stage beer filtration process with depth filter cartridges downstream of kieselguhr filtration, installed in Postbrauerei Weiler im Allgau.
The first filter stage generally has a trap filter using polypropylene cartridges (PP depth filter cartridges) with a nominal separation capability of 3 to 6 µm, these retain all kieselguhr and PVPP particles. The second filter stage (fine filter) retains yeasts and most germs. This filter is also provided with polypropylene filter cartridges between 0.6 and 0.3 µm. This is fitted with 0.45 µm membrane at a constant pressure of 1 bar.g.6 µm.g.g.
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