FIELD: chemistry.
SUBSTANCE: multistage device for floatation water decontamination contains at least two floatation reactors 3, 5; two floatation separators 4, 6; recycle pump 9 with suction pipe-line 10 being connected to decontaminated water section and pressure pipe-line 11 being connected to the floatation reactors 3, 5; air supply ejector 13; pipe-line 17 for water fed to decontamination inlet and pipe-line 18 for decontaminated water outlet. The branch pipes 14 of pressure pipe-line 11 are equipped with two-chamber jet aerators 15 connected to air pressure valve16.
EFFECT: enhancing of the floatation reactors productivity and degree of contaminated water decontamination.
1 dwg
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