Cell for treating a liquid medium by means of flotation

Details Cell for treating a liquid medium by means of flotation Cell for treating a liquid medium by means of flotation

1996-02-22

1997-07-29

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209725, 209730, 209734, 2102212, 2105121, 261 76, 261123, 261124, 261DIG75, 162 4, B03D 124, B04C 504

Patent

active

056518790

ABSTRACT:
The cell 1 includes an upper cylindrical chamber 2 comprising at its center over its entire height a vertical ink removal pipe 4. A lower lateral pipe 9 receives via an opening 10 a paper pulp feed diluted in water and is fed with air from an upper pipe 12. Injectors placed on the pipe 9 inject the paper pulp and air into the chamber 2. Each injector has the shape of a tube with a constant diameter and opens at its outlet extremity through about twelve honeycomb-shaped orifices, thus ensuring a satisfactory dispersion of the air. The air bubbles lift up the ink particles so as to form a foam evacuated by the pipe 4.

REFERENCES:
patent: 3747757 (1973-07-01), Kolthoff
patent: 4014961 (1977-03-01), Popov
patent: 4331534 (1982-05-01), Barnscheidt
patent: 4620926 (1986-11-01), Linck

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