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A typical industrial column cell comprises a steel tank equipped with a feed inlet pipe near the top of the column, a system of internal and external launders to collect and remove froth and a slurry outlet near the bottom of the tank to remove non-floating material.
Also located at the bottom of the tank are an access manway, drain nozzle and a series of re-pulping nozzles. Depending on the tank geometry, it may contain several internal baffles to control the mixing characteristics within the tank. The tank may be fabricated as a round, square or rectangular vessel.
A gas sparging system used to generate the bubbles required for the flotation process is located at the bottom of the vessel. A froth washing system, used to cleanse the froth of entrained impurities, is installed at the top of the tank.
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CPT's Continuous Flotation Machine (CFM) Mini Pilot Plant is a highly versatile laboratory tool designed to extract valuable metallurgical information from a minimal amount of sample with high level of precision and at low cost.
Using drill core samples, the continuous operation of a rougher - scavenger- cleaner circuit can be simulated with a level of confidence that exceeds that of standard locked cycle tests.
The MPP consists of:
 Batch grinding mill
Slurry holding tank
MPP feed tank
CFM Base module
Column flotation module
Regrind mill
Regaent dispesing module
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