Importance

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Abstract

A flotation cell for treating particles suspended in slurry. The flotation cell includes a fluidized bed, a recovery zone at the upper part of the flotation cell, a launder lip and a recovery launder, and a tailings outlet. A primary slurry feed including fresh slurry is arranged to be fed into the flotation cell by a first feed inlet at a first position; and a secondary slurry feed including at least slurry recirculated from a flotation cell is arranged to be fed into the fluidized bed by a second feed inlet at a second position, below the first position. The slurry recirculated from the flotation cell is obtained at a third position between the recovery launder and the tailings outlet. A use of the flotation cell as well as a method for treating particles suspended in slurry are also disclosed.

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First Claim