Froth flotation apparatus and method

Details Froth flotation apparatus and method Froth flotation apparatus and method

1989-12-11

1991-07-02

Hruskoci, Peter

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209169, 210703, 2102211, 261 84, 261 92, 162 4, 162 5, B03D 102, B03D 116

Patent

active

050283154

ABSTRACT:
In froth flotation apparatus for separating solid particle impurities from a liquid suspension stock in a flotation cell, provision is made for aerating the stock flowing through the inlet conduit leading to the cell by positioning a drum-shaped rotor having an irregular outer surface in the conduit on an axis extending transversely of the conduit, directing a supply of air against the rotor surface on the upstream side of its rotational axis, and causing the rotor to rotate at a linear speed of its outer surface which is substantially higher than the linear flow rate of the stock in the conduit so that the rotor surface breaks up the air impinging thereon into bubbles and distributes those bubbles in the stock flowing therepast to create foam within the cell.

REFERENCES:
patent: 4399028 (1983-01-01), Kile et al.
patent: 4512888 (1985-04-01), Flynn
patent: 4749473 (1988-06-01), Shioiri

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