Gold ore is crushed because the leaching process recovers mostly surface gold and crushing maximizes the surface area of the ore for greater gold recovery. The crushing circuit is designed to process almost 3,000 tons of ore per hour, approximately 50 tons per minute.
Gold ore is loaded into the primary crusher for initial sizing. This gyratory gold ore crusher breaks the rock into 6-inch diameter pieces.
Conveyor belts take the broken ore to the screening plant, which runs the ore through vibrating screens to size the material. The optimum size is 0.75 inch diameter pieces. Oversized rock is sent via conveyor to the secondary gold ore crushing plant.
When crushed to 0.75 inch diameter or smaller, lime is added to the ore to increase the effectiveness of the process solution. The ore is then conveyed to the load out bin.
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