InLine Leach Reactor - Batch ILR
Batch InLine Leach Reactor Operation
The concentrates from the primary recovery device report to the feed cone for de-watering, with the water overflowing and returning to the mill circuit. Solids are stored in the feed cone until the beginning of each leach cycle.
The Batch InLine Leach Reactor works on the principal of the laboratory bottle roll to keep the solids in contact with the liquor. A horizontal drum rotating at low speed with a set of specially designed baffles and aeration system for maximum leach performance. Residence time is predicted in the laboratory and controlled by leach cycle time. During leaching solution is continually recirculated through the solids from the solution storage tank to ensure a fresh supply of reagents, including oxygen, is always available for leaching.
At the completion of the leach cycle the pregnant solution is clarified then pumped to the electrowinning circuit. Barren solids are emptied by reversing the drum rotation and pumped to the mill circuit. Pregnant liquor is pumped to the electrowinning circuit where it can be recovered in a dedicated electrowinning cell or mixed with the main elution solution. The barren solution from electrowinning is then pumped to the CIL/CIP circuit (optionally to the ILR) to reuse the residual cyanide.
Specific Advantages Of The Batch Inline Leach Reactor
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