The photoelectric beneficiation method is mainly a beneficiation method for sorting minerals based on the difference in optical properties (color, reflectance, yellowness, transparency, etc.) between minerals using the principle of photoelectric effect. In recent years, the use of photoelectric beneficiation method to select diamond and tungsten ore has achieved good results. Many tungsten ore queuing plants use photoelectric beneficiation instead of manual hand-selection of abandoned gangue. For the selection of raw ore with a particle size of 50~20 mm, the waste stone rejection rate can be 60%.
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