Study on Beneficiation Process of Manganese Oxide Ore

Manganese oxide ore beneficiation process: manganese oxide, manganese ore was mainly hard manganese ore, manganese ore and water, manganese ore, gangue minerals mainly silicates, but also carbonate minerals, frequently with iron, phosphorus, and nickel and cobalt ingredient. The ore dressing method of manganese oxide ore is mainly based on re-election.

Weathered manganese oxide ore often contains a large amount of slime and fine ore, and the washing and re-election method is adopted in production. The ore mine is washed ore to remove the net minerals obtained from the slime, and some can be used as finished ore, and some need to be selected by jigging and shaker. Washing overflows sometimes require further recovery by re-election or strong magnetic separation. Some deposits of primary manganese oxide ore, due to the depletion of mining, the use of heavy medium and jigging to remove the gangue to obtain a massive concentrate.

In iron-bearing manganese oxide ore, the iron mineral is mainly limonite. Iron and manganese are difficult to separate by re-election, flotation or strong magnetic separation, and a reduction roasting magnetic separation method is required. A washing-reduction roasting magnetic separation-re-election process has been employed in the industry.

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