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    Equipment, Process Flow, Cases,  · The wet concentrator is located on a floating ship. The raw ore is first screened to remove the waste rock, then dehydrated, desliming and fed into a conical concentrator for coarse separation. Because ilmenite is the main useful mineral in the coarse concentrate, ilmenite is first selected by dry magnetic separator when entering the concentrate stage.,  · Fill cryogenic liquids only into manufacturer-approved containers that can withstand the extremely low temperatures. A regular thermos bottle is NOT an adequate vessel. Small, open dewars used as transfer vessels usually come with loosely fitting stoppers.