FILTERING CHUCK FOR PREPARATION OF DRINKING WATER FROM SOURCE WITH LOW CONTENT OF CALCIUM, MAGNESIUM AND FLUORINE IONS AND INCREASED CONTENT OF IRON IONS Russian patent published in 2014 - IPC B01D24/10 B01D27/02 C02F1/00 C02F1/28 

FIELD: chemistry.

SUBSTANCE: filtering chuck consists of successively connected: unit of supply of water to be purified, which includes casing with radial slots and is equipped with fastening device; filtering unit, made in form of hollow cylinder, with meshes placed on its base and provided with mixture of granulated adsorbing components and layer of nonwoven filtering fabric; unit of purified water output, made in form of funnel with blunt angle and opening in the middle. Filtering unit contains upper polymer container, which adjoins from internal side mesh in the upper part of filtering unit, containing granulated inorganic fluorine-containing material, after which along liquid flow placed is polymeric container, which contains inorganic calcium-containing composite. Both cylinders are hermetically fastened on internal wall of hollow cylinder and made with openings along liquid flow. Mixture of granulated adsorbing components contains granulated catalytic charge based on natural zeolite, covered with manganese dioxide, and magnesium-containing ion-exchanging material.

EFFECT: effective water purification and its enrichment with necessary calcium, magnesium and fluorine ions.

6 cl, 1 dwg, 3 ex