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详述了含大量CaO和SiO_2菱镁矿的试验室研究结果。研究目的是最大限度回收MgO并获得符合标准的精矿(45%MgO,CaO+SiO_2=15%)。浮选试验流程包括:粗选和粗镁精矿的三次精选。浮选药剂:水玻璃、六聚偏磷酸钠(HMF Na)和油酸。
The results of a laboratory study involving large amounts of CaO and SiO_2 magnesite are described in detail. The purpose of the study was to maximize the recovery of MgO and to obtain a standard concentrate (45% MgO, CaO + SiO 2 = 15%). Flotation test procedures include: roughing and crude magnesium concentrate three times selected. Flotation reagents: water glass, sodium hexametaphosphate (HMF Na) and oleic acid.