It is shown that dialysis cells with a sedimentary membrane spontaneously forming from reaction products can be regarded as an effective method for reprocessing the radioactively contaminated liquid media. The studied cell was created on the basis of a commercially produced anisotropic microfiltration element made of fibrous polypropylene. The dialyzer operated in a regime of continuous purging of the separation chamber of the cell by an upward flow of the processed solution. An advantage of dialysis cells is the high quality of the separation of truly dissolved impurities and the dispersed component. The separating efficiency of the components increases when a single reagent is simultaneously dosed into the flow. In the present work, K4[Fe(CN)6] and Na2SO3 were dosed into the processed solution. The chemical composition and the size of the particles in the processed solution as well as the characteristics of the solid phase formed in the settling tank and on the surface of the dialysis cell are presented.
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Translated from Atomnaya Énergiya, Vol. 127, No. 5, pp. 263–269, November, 2019.
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Chugunov, A.S., Vinnitskii, V.A. Dialysis Membranes Based on Microfiltration Elements for Separating the Components of Npp Radioactive Wastewater Via Precipitation. At Energy 127, 288–295 (2020). https://doi.org/10.1007/s10512-020-00625-3
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DOI: https://doi.org/10.1007/s10512-020-00625-3