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Methods of processing whey waste from dairies. A review

Poništ Juraj, Dubšíková Veronika, Schwarz Marián, Samešová Dagmar

Environment Protection Engineering

2021

Vol. 47, nr 4

67--84

The purpose of the study was to evaluate the methods of processing whey. The valorization method is suitable for the use of cheese whey and whey permeate to produce beverages with or without microbial conversion. However, this method does not ensure microbial conversion of lactose. Therefore, the organic load will not be reduced. The main advantage of aerobic decomposition is the relatively rapid degradation of organic matter. However, the high organic load in the crude cheese whey makes aerobic decomposition unsuitable and restrictions on oxygen transport may occur. Anaerobic decomposition can be used in various areas for the treatment of waste with a high organic load. The disadvantage of anaerobic processes is a higher cost compared to aerobic treatment. The combination of individual technologies significantly reduces the hydraulic retention time of the aerobic process and improves waste treatment. At present, there is a lack of studies in this area.