Imperforate bowl: centrifugal separators – With means for furnishing auxiliary fluid to material or... – Air at atmospheric – or greater – pressure
Patent
1997-06-09
1999-07-27
Cooley, Charles E.
Imperforate bowl: centrifugal separators
With means for furnishing auxiliary fluid to material or...
Air at atmospheric, or greater, pressure
209169, 209170, 2102212, B04B 1100, B03D 102, B03D 124
Patent
active
059281251
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.
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Ding Jian
Pindred Alan R.
Yen Wan-Tai
Cooley Charles E.
Inter-Citic Envirotec, Inc.
Tolpin Thomas W.
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