FIELD: water treatment.
SUBSTANCE: filter charge contains natural-origin material, inert polymer material, low-basicity anionite impregnated with humus substances, and high-acidity cationite, each of compounds having specified density and being used in specified proportion.
EFFECT: increased efficiency in removal of rigidity salts, iron manganese, aluminum salts, and organic impurities.
7 cl, 1 tbl, 3 ex
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