FIELD: water treatment. SUBSTANCE: floating water-intake installation is provided with means for flotation treatment of water, deodorizer unit, water level sensors in water drain and in filter, and control unit. Flotation water- treatment means is connected with filter through pipeline. Deodorizer unit is located in filter charge layer at height 
where h1 is height of filter charge layer under deodorizer unit, m; Q productivity of water-intake installation, cu.m/h; C concentration of suspended materials in water, g/cu.m; τ filtering cycle duration, h; Kj deodorizer's coefficient of dynamic stability (0.7-0.9); S filtration area, sq.m; and G specific dirt capacity of deodorizer, g/cu.m. Installation allows not only removing suspended materials and chemicals but also provides deferrization, partial softening, and deodorization of water. EFFECT: improved quality of treated water and reduced operating costs. 4 dwg
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