云南维西某锑矿含锑2.69％、铅0.35％、砷0.11％，锑氧化率仅占0.87％，属于硫化锑矿。针对该矿石性质，进行了浮选工艺试验研究，采用一次粗选、二次精选、二次扫选、中矿顺序返回工艺流程及合适的药剂制度，获得了较好选别指标，锑精矿产率为4.82％、品位51.40％、回收率94.55％。
One antimony ore in Weixi, Yunnan Province, contains antimony 2.69 %, lead 0.35 %, arsenic 0.11 %with antimony oxidation rate of 0.87%,belonging to antimony sulfide ore .According to such property ,exper-imental research on flotation process is carried out ,including once roughing ,twice cleaning ,twice scavenging and mid-dlings sequently returning and a proper agent regime ,achieving satisfactory indexes that antimony concentrates produc-tion rate is 4.82 %,grade of 51.40 %and recovery rate of 94.55 %.
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