The manganese oxide ore beneficiation method is mainly based on re-election. Weatherability sludge contains large amounts of manganese oxide and fine coal clay mineral, washing method using gravity separation. The ore is washed and deslimed, and some need to use vibrating sieve jig and re-election. The washing process sometimes requires re-washing or strong magnetic separation and other methods to further sort.
Iron manganese oxide ore, iron and manganese, are difficult to re-select, using flotation or strong magnetic separation, magnetic reduction requires a reduction roasting method. The mineral manganese carbonate is re-selected by one wash and one.
Deposited carbonate manganese ore, silicates and carbonates of gangue minerals, often accompanied by impurities such as sulfur and iron. The ore is generally complex, and the complex embedded thin cloth has a few micron particle sizes. It is not easy to separate. It is often difficult to obtain a higher concentrate grade. The preparation and research of manganese carbonate ore is less practiced. Generally, flotation is generally used. Mineral processing and strong magnetic separation, re-election. Some hydrothermal carbonate manganese ores contain lead and zinc and are subjected to a strong magnetic field flotation process. Some sulfur-rich manganese ore, roasting methods can be used to remove sulfur. Some carbonate-rich manganese ore roasting production methods use volatile components to extract ore.
Manganese oxide and manganese carbonate ore are difficult to contain, that is, manganese, iron, phosphorus , or coal gangue are closely symbiotic, the size of the inlay is very fine, it is difficult to sort, and electrolysis can be considered for the smelting method.
Manganese oxide is used as a raw material for producing ferrite, a desiccant for paints and varnishes, a catalyst for the production of pentanol, a feed adjuvant, a trace element fertilizer, and the like. Also used in medicine, smelting, welding, fabric reduction printing and dyeing, glass coloring, grease bleaching, ceramic kiln industry and dry battery manufacturing.
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