B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/22 (2006.01) B03B 9/00 (2006.01) B03D 1/02 (2006.01) B03D 1/14 (2006.01) B03D 1/16 (2006.01)
Patent
CA 2204097
A method for extracting floatable minerals from a slurry (3). Slurry (3) is fed into a tank (2) via a feed inlet (25) and agitated and aerated so as to create an upper zone containing froth enriched with the floatable minerals. The agitation and aeration are also regulated to create a lower zone (41) containing a relatively dense or coarse component of the slurry (3), and an intermediate zone (42) containing a substantially less dense or finer component of the slurry (3). The surface froth is progressively withdrawn via a launder (30) thereby to produce a flotation concentrate. Similarly, the relatively dense component of the slurry (3) is progressively withdrawn from the lower zone (41) via a bottom inlet (26), and the relatively less dense of the slurry (3) is progressively withdrawn from the intermediate zone (42) via a side outlet (28). Apparatus for use with the method is also defined.
Bourke Peter
Kallioinen Jouko
Niitti Timo
Taylor David
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Outokumpu Mintec Oy
Outokumpu Technology Oyj
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