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Dialysis Membranes Based on Microfiltration Elements for Separating the Components of Npp Radioactive Wastewater Via Precipitation
Atomic Energy ( IF 0.4 ) Pub Date : 2020-03-01 , DOI: 10.1007/s10512-020-00625-3
A. S. Chugunov , V. A. Vinnitskii

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, K 4 [Fe(CN) 6 ] and Na 2 SO 3 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.

中文翻译:

用于通过沉淀分离核电厂放射性废水成分的基于微滤元件的透析膜

结果表明,具有由反应产物自发形成的沉积膜的透析池可被视为对放射性污染的液体介质进行再处理的有效方法。所研究的细胞是在商业生产的由纤维状聚丙烯制成的各向异性微滤元件的基础上创建的。透析器以通过处理溶液的向上流动连续吹扫单元的分离室的方式操作。透析池的一个优点是真正溶解的杂质和分散的成分的高质量分离。当单一试剂同时加入流中时,组分的分离效率会增加。在目前的工作中,K 4 [Fe(CN) 6 ] 和 Na 2 SO 3 被加入到处理过的溶液中。
更新日期:2020-03-01
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