FIELD: filtration technics. SUBSTANCE: method consists in that reservoir is filled with aqueous solution of modifying composition, filter element blank is placed in solution, and blank is kept in solution to be impregnated with it and is distinguished by the following. Modifying solution is aqueous-organic solution of nanostructural silver particles. Filter element blank is made from carbon nonwoven cloth and kept in solution for 20 to 120 at 20 C. Density of solution changing as silver particles are removed from solution by carbon nonwoven cloth is evaluated spectrophotometrically over this period every second hour and, specified density attained, filter material is removed, washed with 20% alcohol solution, dried for 3 , and tested for efficacy. EFFECT: enhanced filtration efficacy due to enabled filtration of microbiological admixtures. 2 cl, 4 dwg, 2 tbl
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