Analysis of mass transfer in beer dialysis and diafiltration with two different membranes
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Experimental investigation of selective alcohol removal from beer by dialysis and dialysis with transmembrane pressure (diafiltration), using two different hollow-fiber membranes: Cuprophan (regenerated cellulose) and polysulfone, was performed. The values of the main mass transfer parameters: hydraulic permeability, clearance, normalized mass flux, extraction ratio and selectivity were determined, and the influence of the flow-rates and the applied transmembrane pressure difference was analyzed. Based on these prameters, comparison of the two membranes was performed.
Keywords:Beer dialcoholization / Cuprophan / Diafiltration / Dialysis / Mass transfer / Polysulfone
Source:Journal of the Serbian Chemical Society, 1996, 61, 4-5, 331-342
- Srpsko hemijsko društvo, Beograd