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Dialysis systems

Continuous dealcoholisation

Field of application
The plant consists of six operational units:
• the Dialysis membrane modules • a stripper column for thermal alcohol reduction
• steam generator unit • feeding unit • diafiltration unit • CIP-Unit

The method of dialysis operates on the cross flow principle. In this case, a beer to be de-alcoholised flows through the hollow fibre membrane, whereas a dialysate (thermally treated beer) is feeded to cross flow on outer side of the membrane. The alcohol passes over to dialysate by the power of concentration gradient - drop between beer and dialysate - and is removed in a vacuum rectifier. The de-lcoholised dialysate is feeded at closed cycle to membrane again.
20 hl/h

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