Apparatus and method for flotation separation utilizing a spray nozzle
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United States of America Patent
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-
Aug 31, 1982
Grant Date -
N/A
app pub date -
Jan 29, 1981
filing date -
Jan 29, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 flotation 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.
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Cited Art Landscape
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