Mathematical simulation and calculation of the process of water demineralization in industrial filter Part 3. Influence of the cation-exchanger backwashing stage on regeneration and following water purification processes. (2018). Sorbtsionnye I Khromatograficheskie Protsessy, 17(1), 26-30. https://doi.org/10.17308/sorpchrom.2017.17/349