Since the density of the dense medium separation medium with not very high, while the heavy medium beneficiation selected coarse particle size, it is heavy medium beneficiation in the process of removing the high density less dense gangue monomers as main job when a preselected metal ore, or for Surrounding rock mixed in during the mining process. For example, an aggregate of useful minerals disseminated lead zinc ore, copper ore, etc. Sulfur broken after a large number of monomers gangue output available heavy medium beneficiation be removed, so that it is no longer selected to the mill operation. Weakly magnetic iron ore and manganese ore mixed in the surrounding rock, can also be used to remove heavy medium beneficiation process. ( Note: The waste rock mixed in the magnetite is mostly removed by magnetic pulleys without heavy medium ) . Heavy medium beneficiation is also used in the selection of low grade rare metal ores and non-metallic ores. Further, the plant is selected from coal, heavy medium for beneficiation of coal lumps selected gangue.
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