A comparative analysis of magnetic separators used to reduce and stabilize the iron content in quartz sand has been carried out. It is shown that obsolete electromagnetic roller and rotary separators are bulky, unreliable and expensive to operate. The design of permanent magnet belt roller separators has a number of irreparable defects that impede their use in the conditions of domestic enterprises. Thus, drum magnetic separators with a high-intensity magnetic system of the LMO series are most applicable for magnetic enrichment of quartz sand in the conditions of domestic enterprises. Il. 4., bibliography: 7 titles.
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