Process for recovering fine particulates in a centrifugal flotat

Details Process for recovering fine particulates in a centrifugal flotat Process for recovering fine particulates in a centrifugal flotat

1999-04-12

2000-05-09

Cooley, Charles E.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

210703, 494 37, B03D 102

Patent

active

060591188

ABSTRACT:
A user-friendly centrifugal flotation cell with a rotating drum, is provided for use in an efficient separation process to rapidly recover greater quantities of valuable fine particles. In the process, a slurry of fine particles is injected with air bubbles and moved downwardly through a stationary downfeeder to a centrifuge comprising a rotating flotation cell. The aerated slurry is centrifugally separated into a waste stream of non-floating gangue material and a particulate-enriched froth comprising air bubbles carrying a substantial amount of the valuable fine particles. The froth is processed by froth flotation in a froth flotation chamber.

REFERENCES:
patent: 1702443 (1929-02-01), Johnson
patent: 3863838 (1975-02-01), Pronk
patent: 5535893 (1996-07-01), Jameson
patent: 5914034 (1999-06-01), Ding et al.

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