Method for froth flotation

B - Operations – Transporting – 03 – D

Patent

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B03D 1/02 (2006.01)

Patent

CA 2462740

A method of froth flotation where a pressurized stream of feed slurry and a pressurized stream of air are delivered to a contactor vessel. The feed slurry includes a mixture of particles of oil or hydrophobic materials and water. The feed slurry and the stream of pressurized air are maintained within certain flow and pressure parameters and allowed to intermix within the contactor vessel to permit the attachment of air bubbles to the particles of oil or hydrophobic materials thereby forming particle-bubble aggregates. The contents of the contactor vessel are discharged into a separation vessel where said particle-bubble aggregates form a froth for removal as a concentrate.

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