Tungsten ore dressing methods are mainly hand-selected, HM election, re-election, flotation, magnetic separation and electrostatic separation. Wolframite in order to re-election dominated while scheelite flotation mainly associated. To the full recovery of useful components, improving the quality and tungsten concentrates recycling rate, currently the trend of dressing and smelting technology combined to increase the baking and Leaching and other hydrometallurgical refining methods.
Many types of tungsten ore in earth, there are mainly two; black tungsten ore (wolframite) and scheelite (calcium tungsten ore). There is a variety of ore mineral paragenesis, in order to pass the quality of mineral concentrate to meet the requirement and the associated recovery of useful mineral, generally based on the major component of the ore, taking into account the characteristic of associated component, selection process consisting of two or more method.
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