Manganese mineral floatability:
There are two types of manganese-containing minerals: one is an oxide; the other is a carbonate. The floatability of important manganese minerals is as follows:
Manganese ore MnC03, containing 47.8% Mn, is a relatively easy to float mineral in manganese ore.
Collectors are commonly used in fatty acids, of which oleic acid works best. The most suitable pH for flotation is 8-9. Medium adjuster is commonly used sodium carbonate. Water glass can be used to inhibit
quartz gangue, but the alkalinity is too high or the amount of water glass is too large, which has an inhibitory effect on rhodochrosite.
Pyrolusite MrS2, containing Mn63.2%, is less difficult to float than rhodochrosite, and the collector uses fatty acids during flotation. The pH adjuster is sodium carbonate. Gangue inhibitor water glass. Dextrin and citric acid are inhibitors of manganese oxide ore. Oxalic acid activates it. Test proved that the manganese oxide ore floats
When selected, it was collected with oleic acid. Under the condition of pH 6.5, manganese ore and brown manganese ore were easier to float, while pyrolusite and hard manganese ore were the most difficult to float. Only use
When oxalic acid and water glass disperse the slime, satisfactory results can be obtained. When there is mud, the flotation effect is poor. Desliming the ore, such as off
In addition to -10μn of slime, the flotation index can be improved.
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