Overview of magnetic separation and electrification tests

Magnetic sorting is generally used iron, manganese, nickel, chromium, titanium and some noble metals and non-ferrous ores. With the development of industry and science and technology, the application of magnetic separation is becoming more and more extensive, not only applied to the ceramic industry, the preparation of raw materials for glass industry and the processing of metallurgical products, but also to the aspects of sewage purification, soot and exhaust gas purification. Currently magnetic separation is mainly used for sorting iron ore and selection of tungsten tin and rare metal ore.

The purpose of the magnetic separation test is to determine the optimum particle size for separation of minerals in a magnetic field, the possibility of separating intermediate concentrates from different grades of minerals and the possibility of disposal of tailings, and the preparation of materials before magnetic separation ( Screening and grading, dust removal and desliming, magnetization roasting, surface treatment, etc.), magnetic separation equipment , magnetic separation conditions and processes.

Electrification is mainly used for selected operations, that is, the raw materials for electrification are generally coarse concentrates selected by re-election or other beneficiation methods, and electroporation is used to separate symbiotic minerals and improve concentrate grade. Of course, some minerals are directly sorted by electrical selection. Electro-election is very effective for the separation of various coarse-grained heavy minerals and for improving the concentrate grade. Some minerals are difficult to separate by flotation, re-election or magnetic separation, but they can be effectively separated by electro-election.

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