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Документ Features of rare-metal ore enrichment in a centrifugal field(NTU "KhPI", 2018) Biletskyi, V. S.; Shpylovyj, KostjantynThe article is devoted to the problem of dressing of finely disseminated rare-metal ore in free-flow centrifugal concentrators. It is shown low efficiency of the dressing of the ores containing mineral of intermediate density in addition to the light and heavy minerals. To raise the contrast of separated mineral grains we proposed preliminary magnetic separation of minerals extraction intermediate density – aegerine, biotite, etc. before the separation of heavy and light minerals in the centrifugal field. But the complete absence of the intermediate density grains in the concentrating milling ore is also negative.We investigated the patterns of the recovering heavy minerals from rare-metal ore of domestic deposits with different content intermediate mineral density in the centrifugal field. It is shown that for this type of ore the optimal intermediate density mineral content is 4,8-5,2 %.