Rare earth iron ore beneficiation method and process
Time: 2015-03-30 15:01:21 Source:
In the 8 series of iron dressing of the ore dressing plant, 5 processes the middle-poor oxidized ore, using the weak magnetic separation-strong magnetic separation-reverse flotation process, and the roasting-magnetic separation process. The combination of multiple processes and multiple beneficiation methods has made significant achievements in the beneficiation of refractory composite iron ore. The comprehensive recovery of rare earth minerals has been achieved, the iron selection index has been greatly improved, and the structure of the original ore has been adapted to the rich ore into the furnace.
When the original iron ore grade is 32%, the iron concentrate grade is 60%, and the recovery rate is more than 70%. Give full play to the technical advantages of using a flotation machine to sort rare earth iron ore. Flotation rare earth is two production processes, one is the flotation-reselection-flotation process, and the other is the strong magnetic separation-flotation Process flow. Both processes can produce high-grade rare earth concentrates with REO of 60% and rare-earth sub-concentrates with REO greater than 30%. The flexible and effective beneficiation process further improves the processing capacity of the ore, and also gives full play to the technical performance of the beneficiation equipment.
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