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CAT NO: DIDACTICNLE-Export-031063
Froth Flotation Cell.
Froth Flotation Cell
Mixed liberated particles can be
separated from each other by floatation if there is sufficient
difference in their wettability. The floatation process operates by
preparing a water suspension of a mixture of relatively finely sized
solids. This is usually done in an agitated chamber open at the top.
Fine bubbles of air are then dispersed through the agitated suspension
to form a froth that rises to the top of the chamber. Particles that are
radially wetted by water (hydrophilic) tend to remain in the water
suspension. Those particles that are not easily wetted (hydrophobic)
tend to be collected at the air bubble-water interface and rise to the
surface attached to air bubbles. Thus differences in the surface
chemical properties of the solids are the basis for separation.
The set up consists of a agitated chamber
open at the top. In the chamber, an impeller coupled to a shaft is
fixed in a stationary diffuser. Low-pressure air is allowed to enter in
the stationary diffuser through the air passage provided with the
agitator. The collector coated mineral particles adhere to the rising
bubbles and are carried to the top of the cell to be removed in the
froth product
Experimentation:
To study the performance of Froth Flotation Cell.
To find % recovery of mineral in froth from a standard mixture.
Utilities Required :
Material for Feed, Frothing agents and collectors.
Water Supply and Drain.
Compressed Air Supply 1 CMH at 2kg/cm2.
Electric Supply: Single phase, 220 V AC, 0.5 kW.
Floor Area 1.5 m x 1 m.
Technical Details :
Flotation Chamber
: Material Stainless Steel, Compatible capacity.
Agitator
: Stainless Steel Impeller with Stainless Steel shaft coupled to FHP motor.
Diffuser
: Material Stainless Steel holding the impeller.
Froth Collecting Tank
: Material Stainless Steel, Capacity 20 Ltrs.
Control panel Comprises of:
Standard make On/Off switch, Mains Indicator etc.
Instruction Manual
: An ENGLISH instruction manual will be provided along with the Apparatus
A good quality painted rigid MS Structure is provided to support all the parts
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