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Electroactivation: An Advanced Method of Processing of Whey with Medium Protein Content

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Abstract

The results of the studies of electroactivation, an emerging method of nonwaste processing of secondary dairy products, namely, whey with a medium protein content, in order to recover whey proteins into protein mineral concentrates, are presented. Processing was carried out in electrolyzers with different ratios of the volume of the processed whey to the surface of the electrode/cathode with different constructive and geometric parameters, which influences the specific energy consumption per unit volume. The main purpose was the maximum recovery of whey proteins into protein mineral concentrates at low energy costs, and the exclusion of “dead” or inefficient zones of diaphragm electrolyzers. The degree of the recovery of whey protein depending on the pH values, the redox potential, and the temperature during electroactivation was analyzed. This justifies the optimization of the technical parameters of electrolyzers for whey with a medium protein content.

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Funding

The work was carried out within the framework of the project NARD 20.80009.5007.06 (2020–2023) “Intensification of Transfer and Processing Processes in Electric, Electromagnetic, Cavitation Fields; Practicality.”

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Authors and Affiliations

  1. Institute of Applied Physics, Moldova State University, Chisinau, MD-2028, Moldova

    I. V. Paladii, E. G. Vrabie, M. K. Bologa, T. G. Stepurina, A. A. Polikarpov & K. G. Sprinchan

  2. Institute of Physiology and Sanocreatology, Moldova State University, MD-2028, Chisinau, Moldova

    V. G. Vrabie

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  1. I. V. Paladii
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  2. E. G. Vrabie
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  3. M. K. Bologa
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  6. A. A. Polikarpov
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Correspondence to I. V. Paladii.

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Paladii, I.V., Vrabie, E.G., Bologa, M.K. et al. Electroactivation: An Advanced Method of Processing of Whey with Medium Protein Content. Surf. Engin. Appl.Electrochem. 59, 824–835 (2023). https://doi.org/10.3103/S1068375523060145

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