Classification of Tungsten Concentrates

Tungsten concentrate is generally produced from tungsten ore (black wolframite or scheelite) by crushing, ball milling, re-election (mainly shaking, jigging), flotation, electrical separation, magnetic separation and other processes, and the production of National standard black tungsten or scheelite concentrate. According to the different smelting methods and chemical compositions, tungsten concentrates can also be subdivided into several varieties.
In general, tungsten concentrates can be classified into black wolframite concentrate and scheelite concentrate according to their ore types, and the main component of tungsten oxide can also reach more than 65%. Tungsten concentrates are generally classified into two categories according to the smelting method and chemical composition: pyrometallurgical smelting (Type I) and water smelting (Type II, Type III). Each type also involves multiple tungsten concentrates. The classification of specific tungsten concentrates is shown in the figure below:


It can be seen that the varieties of tungsten concentrates are numerous and complex, which also meets the needs of tungsten ore resources in different industries.

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