Improved flotation method

Details Improved flotation method Improved flotation method

B - Operations, Transporting

03

D

B03D 1/24 (2006.01)

Patent

CA 2632849

A flotation method in which a liquid or slurry is fed to a downcomer (20) where it forms a region of high void fraction which moves out of the downcomer (20) into a vessel (10) in which a froth rises and liquid or slurry falls, characterized in that the liquid or slurry is fed to the downcomer (20) with a jet velocity as it exits an orifice and enters a free jet zone of less than 8 metres/second.

L~invention concerne un procédé de flottaison dans lequel un liquide ou une boue est amené(e) à une goulotte (20) où il ou elle forme une région de fraction cavitaire élevée, qui débouche hors de la goulotte (20) dans une cuve (10) dans laquelle une mousse s~élève et le liquide ou la boue s~enfonce, caractérisé en ce que le liquide ou la boue est amené(e) à une goulotte (20) avec une vitesse de jet de moins de 8 mètres/seconde alors qu~il ou elle sort d~un orifice et entre dans une zone de jet libre.

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