The invention relates to the field of wastewater treatment and can be used in various branches of industry and agriculture. Technical Objectives and results of the proposed utility model consists in increasing the efficiency of cleaning and reducing energy costs. Flotation plant wastewater includes preparation unit water mixture, consisting of a pump to the suction line to the inlet of waste water and air and the discharge line with outlet nozzles and a flotation cell in a flotation column, on the outer cylindrical surface of which are arranged outlet purified liquid nozzles and the foam product and in - semisubmersible partition. Moreover semisubmersible partition is a mesh and connected to the negative pole of the DC power source; and wherein the column between the housing and the mesh partition additionally mounted coaxially to the body of the cylindrical column electrode connected to the positive pole of the DC source. The distance between the mesh wall and the further electrode is set from 0.01 to 0.1 of their height; a partition between the mesh electrode and arranged additionally installed loading of particulate insulating material, wherein the dispersed load is made of a material of the sorption and particle size of the dispersed load is from 1 to 5 mm. 4 ZP f-ly. 1 yl.
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