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SIZE REDUCTION, TYPES OF COMMINUTION EQUIPMENT - Coggle Diagram
SIZE REDUCTION
-TO CREATE PARTICLES OF A CERTAIN SIZE AND SHAPE
-TO INCREASE THE SURFACE AREA AVAILABLE FOR CHEMICAL REACTION
-TO LIBERATE VALUABLE MINERALS HELD WITHIN PARTICLES
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TYPES OF MILLING CIRCUIT
OPEN CIRCUIT
THE MATERIAL PASSES ONLY ONCE THROUGH THE MILL (CONTROLLED VARIBLE IS THE RESIDENCE TIME OF THE MATERIAL IN THE MILL)
PRODUCT SIZE AND DISTRIBUTION CAN BE CONTROLLED OVER A CERTAIN RANGE BY VARYING THE MATERIAL RESIDENCE TIME (THROUGHPUT)
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CLOSED CIRCUIT
THE MATERIAL LEAVING THE MILL IS SUBJECTED TO SOME FORM OF SIEVING WITH THE OVERSIZE BEING RETURNED TO THE MILL WITH THE FEED MATERIAL
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