Process Introduction:
Most manganese ore is fine grain and contains phosphorus ore, iron ore, and associated minerals. According to its different principles, there are many methods to process manganese. And the magnetic concentration is the most widely used in manganese ore processing plants.
Manganese is a silvery-gray metal that resembles iron. It is hard and very brittle, difficult to fuse, but easy to oxidize. Manganese metal and its common ions are paramagnetic. Manganese tarnishes slowly in the air and oxidizes like iron in water containing dissolved oxygen. The two main manganese minerals are pyrolusite (MnO2) and rhodochrosite (MnCO3).
1. Classification: underflow from the classifier is transported to magnetic separator for concentration, the overflow will be concentrated by thickener.
2. Middle magnetic separation: the tailings from middle magnetic separation drain to concentrator, the concentrate from middle magnetic separation gets together with underflow of the concentration.
3. Strong magnetic rough separation: wipe out the waste by using strong magnetic separator that specialize using in manganese ore, rough concentration of the concentrate by using spiral classifier, rough concentration of the tailings drains to tailings thickener directly.
4. Purification and concentration, concentration overflow return to system for cycling, concentration underflow gets together with concentrate, to be the final separated concentrate.
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