江西某铜硫钨多金属矿是我国大型的矽卡岩型白钨矿床,原矿中含Cu 0.11％、S 2.95％、WO30.75％,其主要金属矿物是黄铜矿、磁黄铁矿和白钨矿.通过多种选矿工艺流程探索试验,确定采用磁选脱硫-铜硫混合浮选-白钨浮选工艺流程,产出硫精矿、铜精矿及白钨精矿,获得的闭路试验指标为:硫精矿含S 30.16％,回收率77.58％；铜精矿含Cu 18.28％、回收率76.83％；白钨精矿含WO3 66.04％,回收率81.67％,达到综合回收的目的.%Certain Cu-S-WO3 ore in Jiangxi is a typical Chinese large skarn-type scheelite deposit,which contains Copper 0.11％,S 2.95％ and WO3 0.75％.The main valuable metals are chalcopyrite,pyrrhotite and scheelite.To make good use of the metals in the ore,systematic experiments were carried out.Finally,the flowsheet of magnetic separation desulphurization-Cu-S bulk flotation-scheelite flotation process was adopted.The results of closeddcircuit test are as follows:the sulfur concentrate of S 30.16％with recovery 77.58％,the copper concentrate of Cu 18.28％with recovery 76.83％ and the scheelite concentrate of WO3 66.04％％ with recovery 81.67％ were obtained,reaching the aim of comprehensive utilization.
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