METHOD OF SEWAGE FLOTATION Russian patent published in 1995 - IPC

Abstract SU 1835802 A1

FIELD: sewage treatment. SUBSTANCE: flocculant and then aqueous solution at pH 2-11 containing CO₂ at concentration 0.5-5.0 g/l were added to the sewage at concentration 1-30% of sewage consumption. Prepared mixture is saturated with air dissolved under pressure and separated for purified liquid and foamy layer. Flotation slurry is used as a flocculant. EFFECT: improved method of sewage flotation. 5 cl, 2 tbl

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SU 1 835 802 A1

Authors

Ksenofontov B.S.

Taralo I.P.

Dates

1995-06-19—Published

1990-07-09—Filed