Method for concentrating ore slurries by means of intensive agit

Details Method for concentrating ore slurries by means of intensive agit Method for concentrating ore slurries by means of intensive agit

1992-06-02

1993-06-15

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209169, 366102, 261 87, B03D 102, B03D 116

Patent

active

052194671

ABSTRACT:
The present invention relates to a method for concentrating a certain mineral fraction attached to air bubbles from a slurry to the foam layer accumulated on the surface, so that the concentration takes place in three different mixing zones. The apparatus of the invention is formed of a colon-like flotation arrangement and of flow guides, a flow attenuator and an agitator belonging thereto. The flotation reactions are created in the bottom zone, wherefrom air bubbles and mineral particles carried by them are directed in a controlled fashion onto the surface of the apparatus. The flotation apparatus is so designed, that a strong agitation in the bottom zone can be used without causing harmful separation of the foam in the bottom part of the apparatus.

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Peter Young, "Flotation Machines", Mining Magazine Jan., 1982, pp. 35-59.

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