B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
361/29
B03D 1/14 (2006.01) B03B 9/00 (2006.01) B03B 11/00 (2006.01) C10L 9/00 (2006.01)
Patent
CA 1181873
ABSTRACT OF THE DISCLOSURE An improved method and apparatus for froth flotation separation of the components of a slurry, having particular utility for the beneficiation of coal by the flotation separation of coal particles from impurities associated therewith such as ash and sulfur. In this arrangement, a spray nozzle is positioned above a flo- tation tank having a water bath therein, and sprays an input slurry through an aeration zone into the surface of the water. The spraying operation creates a froth on the water surface in which a substantial quantity of particulate matter is floating, while other components of the slurry sink into the water bath. A skimming arrangement skims the froth from the water surface as a cleaned or beneficiated product. Moreover, a recycling operation is provided wherein particulate materials which do not float after being sprayed through the primary spray nozzle are recycled to a further recycle spray nozzle to provide a second opportunity for recovery of the recycled particles.
395233
Duttera James
Herman David E.
Jefferis Raymond P. III
Matteson David
Mcgarry Phillip E.
Gulf & Western Manufacturing Company
Mcfadden Fincham
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