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Whey Demineralization with Membrane Operations

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Encyclopedia of Membranes

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There are various reasons for demineralization in whey processing. Minerals in whey cause issues including (Daufin et al. 2001):

  • Slow lactose crystallization

  • Fouling in MF and UF used for producing protein concentrates and isolates

  • Nutritional imbalance in human and infant foods

Demineralization is therefore advantageous in whey processing for various performance and product reasons. Generally, minerals affect the flavor, functionality, and value of whey products justifying the use of demineralization systems. Electrodialysis (ED), ion exchange (IE), and nanofiltration (NF) are well-known operations achieving demineralization of 25–95 % (Daufin et al. 2001; Greiter et al. 2002). ED and IE are considered costly to operate in terms of equipment and running costs and produce large volumes of waste effluent that must be treated (Daufin et al. 2001). NF has advantages over ED; for example, it is more selective to separate monovalent ions over divalent ions. Also, this selectivity is not as...

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References

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Authors and Affiliations

  1. Institute for Sustainability and Innovation, College of Engineering and Science, Victoria University, PO Box 14428, 8001, Melbourne, Victoria, Australia

    Mikel Duke

  2. Advanced Food Systems Research Unit, College of Health and Biomedicine, Victoria University, Melbourne, VIC, Australia

    Todor Vasiljevic

Authors
  1. Mikel Duke
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  2. Todor Vasiljevic
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Correspondence to Mikel Duke .

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Editors and Affiliations

  1. Institute on Membrane Technology, National Research Council of Italy, ITM-CNR, University of Calabria, Rende, Italy

    Enrico Drioli

  2. Institute on Membrane Technology, National Research Council of Italy, ITM-CNR, University of Calabria, Rende, Italy

    Lidietta Giorno

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Duke, M., Vasiljevic, T. (2015). Whey Demineralization with Membrane Operations. In: Drioli, E., Giorno, L. (eds) Encyclopedia of Membranes. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40872-4_2055-1

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  • DOI: https://doi.org/10.1007/978-3-642-40872-4_2055-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-40872-4

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