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东乡铜矿含铜胶状黄铁矿矿石属难选矿石，在选矿工艺中铜回收率很低。工艺矿物学研究发现，胶状矿石所具有的结构构造及其易对化性是造成铜指标低的重要原因，并对该矿石的氧化机理及对选矿的影响进行了探讨。
Dongxiang copper ore colloidal pyrite ore is refractory ore, copper beneficiation process recovery is very low. The study of process mineralogy shows that the structure and the ease of chemical reaction of gelatinous ores are the important reasons causing the low copper index, and the oxidation mechanism and the influence on ore dressing are discussed.