OMC’s scope of work included the definition and management of the ore characterisation testwork, interpretation of the testwork results, optimal circuit configuration and indicative equipment sizing. OMC also provided input into the continuous pilot plant operation. The challenge presented to OMC was to maximise the scatting rate while minimising the U3O8 losses.
The flowsheet consists of a primary crusher, scrubber with recycle crusher, screening and washing / dewatering circuit. A specific feature of the flowsheet is that the scrubber also acts as the primary leach vessel.