FIELD: food industry. SUBSTANCE: sorbent has polyvinyl formal foam, clinoptilolite and copper, potassium ferrocyanide at the following ratio of components, weight %: polyvinyl formal foam 14-44; clinoptilolite 50-80, and copper, potassium ferrocyanide 4-6. At the rate of milk passing 50 column volumes/h sorbent ensures to refine 500 column volumes of milk before sorbent regeneration. Cesium extraction degree is 94%. Method can be used for sorption liquid refining from radioactive pollutions. EFFECT: enhanced effectiveness of refining. 2 tbl
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