Apparatus and method for flotation separation utilizing an impro

Details Apparatus and method for flotation separation utilizing an impro Apparatus and method for flotation separation utilizing an impro

1985-03-04

1987-03-17

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209170, B03D 114

Patent

active

046505679

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, an improved open flow, spiral nozzle is positioned above a flotation tank having a 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 floats, 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.

REFERENCES:
patent: 2804341 (1957-08-01), Bete
patent: 4304573 (1981-12-01), Burgess et al.
patent: 4347126 (1982-08-01), McGarry et al.
patent: 4347127 (1982-08-01), Duttera et al.
patent: 4514291 (1985-04-01), McGarry et al.

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