FIELD: chemistry.
SUBSTANCE: multilayer composition is invented where the layers are placed from top to bottom in the following sequence and at the following content of the components, in volume percent: 15-20 of the polyethylene or styrene granules with density not less than 1 g/cm3; 5-10 of the low-basic macroporous anionite with density 1.04-1.08 g/cm3; 10-15 of the impregnated by fulvic acids, with density 1.04-1.12 g/cm3; 43-56 of the strong-acid cation resin with density 1.2-1.3 g/cm3; 3-5 of the filtrating layer consisting of nepheline, aluminum oxide, bentonite and silicon carbide, with density 2.0-2.1 g/cm3; 1-5 of gravel with density 2.0-2.5 g/cm3; 1-5 of calcite with density 2.0-2.5 g/cm3.
EFFECT: complex water purification is provided.
3 tbl, 1 dwg
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SU1807163A1 |
