FLOTATION PLANT Russian patent published in 2001 - IPC

FIELD: treatment of sewage; flotation plants and units for treatment of sewage. SUBSTANCE: proposed plant includes saturator, connecting pipe line, flotation chamber and final cleaning filter. Arranged inside flotation chamber are thin-layer member units and water level control unit for check of level of water to be cleaned; second thin-layer unit (in way of motion of liquid being cleaned ) is provided with screen. Hydrophobic ball-shaped particles are placed after screen between shelves of unit. Ratio of distances between shelves of first and second units ranges from 1:1 to 5:1. Inhomogeneous magnetic field sources are mounted at connecting pipe line inlet and heat exchanger is mounted at outlet. Upper grid of filter has hydrophobic surface. Saturator is made in form of tower with magnetic packing inside it. EFFECT: enhanced efficiency of sewage treatment. 3 cl, 1 dwg