PLANT AND METHOD FOR WATER CLEANING BY FLOTATION Russian patent published in 2013 - IPC B03D1/14 C02F1/26 

FIELD: process engineering.

SUBSTANCE: invention may be used in chemical industry. Proposed plant comprises, at least, one water intake zone 31, zone 32 of water mixing at pressure and water mixing at vacuum, flotation zone 35 separated from mixing zone 32 by wall, and cleaned water draw-off zone 36 at the bottom of said flotation zone 35. Mixing zone 32 comprises, at least, one water injection nozzle 40, 91, 92 arranged nearby panel 33. At least, one part of the latter has holes 331 to separate intake zone 31 and mixing zone 32.

EFFECT: better contact between treated and injected water, higher quality of clarified water.

34 cl, 10 dwg