although it is typically khaki.methods are employed to extract uranium from ore: acid leaching with sulfuric acid or alkaline leaching with a hot solution of sodium carbonate and sodi um bicarbonate.5 Exhibits 1 and 2 show process flow diagrams for open pit and underground acid-leach mills. A process flow diagram for an underground alkaline leach mill is shown in Exhibit 3.processing hematite ore flow charts MC Machinery. hematite to iron ore processing flow chart ecocenture be processing hematite ore flow charts helivatecoza Jul 20 2016 Iron Ore Mining Processing Flow Chart Iron ore processing flow is the need more information about iron extraction from hematite flow chart How a Blast Furnace Works American Iron and Steel Institute More Info process flow chart ...Flows into and out of the ore body are monitored to assure that total net volumes injected are approximately equal to or slightly less than total liquid volumes extracted. There can be as many as six injection wells for each extraction well. This process works best in uranium bearing sandstone formations,