subject: The Beneficiation Technology Of Manganese Ore [print this page] Manganese ore beneficiation process knowledge:
(A) the oxidation of manganese ore. Secondary deposits to weathering, oxidation of manganese ore mainly native of sedimentary and hydrothermal deposits and supergene oxide manganese ore. Ore, manganese mineral hollandite, pyrolusite, and manganite; gangue silicate minerals, carbonate minerals; often accompanied by pig iron, phosphorus, nickel, cobalt and other ingredients.
The oxidation of manganese ore beneficiation in order to re-election. Weathered oxide ore often contains a lot of slime and fine ore, the production of washing - re-election method. Ore the Jingxi ore remove the slime net proceeds of mines, and some can be used as the processed ore, some need to use a jig and shaking re-election. Washing overflow sometimes also need to further re-election or high intensity magnetic separation methods such as recycling. Some deposition native oxide manganese ore, mining dilution, used in the production of heavy medium and jig re-election to remove gangue, massive concentrate.
Iron oxide manganese ore, iron minerals limonite. Iron and manganese with difficult re-election, flotation or strong magnetic separation, reduction roasting. Industrial washing - to restore the roasting process - re-election.
(II) carbonate manganese ore. Sedimentary carbonate manganese ore, the main manganese mineral rhodochrosite, calcium rhodochrosite, manganese, calcite and siderite and manganese ore; gangue silicate and carbonate minerals; also often accompanied by sulphide and iron impurities. Is generally more complex ore, manganese mineral disseminated fine grain size to microns, less dissociation is often difficult to get a higher concentrate grade.
Manganese carbonate ore beneficiation production practice less, and high intensity magnetic separation, heavy media beneficiation and flotation methods. Some sedimentary sulfur carbonate manganese ore, industrial, carbonaceous shale, pyrite, and the order of the manganese mineral flotation processes. Some hydrothermal lead, zinc carbonate manganese ore, flotation - high intensity magnetic separation process. Some sulfur-rich manganese ore, manganese mineral sulfur manganese, roasting methods can be used in addition to sulfur. Some rich carbonate manganese ore production, roasting methods, to remove volatile components and the finished ore.
