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Magnetic separation and floatation separation can be used for different screened size ranges( coarse size range for gravity separation, medium size range for magnetic separation while the fine size range for floatation separation) between rough separation and fine selection.For some fine inlay ilmenite, single floatation separation will be needed to get the ilmenite concentrate.Of course, the primary deposit of ilmenite can be all separated by floatation separation, and the craft is easy while it is easy to operate, but the chemical consumption will increase the production cost, and also it will bring, as well, some environment problems.
By blast or digger out from the underground or the mountain, the excavator carry the argentite ore to the crushing site for crushing, use the jaw crusher crush the ore and feed into the hopper. Then the vibrating feeder under the hopper feed materials into the secondary crusher. Usually the crushed aggregates size is 0~10mm, and classified by the vibrating screens. The ball mill will grind the argentite aggregates to sand size or smaller particles. After classified and cleaned by the spiral classifiers, the particles will be fed to the flotation machines or concentrator table. Then the concentrator, filter and dryer will thicken and dry the particle and high purity available mineral is produced. In the beneficiation process, ore separation is usually adopting one time concentrating process and the producer will sell it for low production cost.
The rough separation is usually next to the exploiting site to remove the small-density material to get the final concentrate of 90% ilmenite. And here generally speaking, cone jigging washer is needed while sometimes shaking table can be involved. About the fine selection of the concentrate from the rough separation, usually combination of gravity separation and magnetic separation will be used while sometimes electric -selection can be involved.
concentrator table: http://www.hx-jawcrusher.com/pp/pconcentrator.html