第32卷第5期2023年10月doi:10.3969/j.issn.1005-7854.2023.05.005矿治MININGANDMETALLURGY广西铜铅锌复杂多金属矿浮选分离试验Vol.32,No.5October2023韦连军1陈燕清1雷满奇1廖幸锦1.2（1.广西壮族自治区地质矿产测试研究中心，南宁530023；2.广西大学资源环境与材料学院，南宁530004)摘要：广西铜铅锌矿为典型复杂难选多金属硫化矿，黄铜矿与闪锌矿互相包裹、交代共生，在浮选分离时难以获得合格的铜精矿产品。经试验研究，采用“抑锌一浮选铜铅一铜铅分离一铜铅混合浮选尾矿选锌”工艺，以氧化钙、硫酸锌配合实验室新制的锌抑制剂CZ-002抑制闪锌矿和硫化铁矿物，实验室新合成捕收剂CY-2A浮选铜铅。最终闭路试验获得铜精矿铜品位22.48%、回收率70.11%；铅精矿铅品位57.39%、回收率84.84%；锌精矿锌品位51.93%、回收率88.42%。试验指标较好，实现了铜铅锌多金属的有效分离。关键词：铜铅锌多金属矿；混合浮选；新型捕收剂CY-2A；锌抑制剂CZ-002中图分类号：TD952文献标志码：A文章编号：1005-7854（2023)05-0031-08Experimentalonflotationseparationofacopper-lead-zinccomplexpolymetallicoreinGuangxiWEILianjun'CHENYanqingLEIManqilLIAOXingjinl-2(1.RegionGeologyandMineralTestingandResearchCenterofGuangxiZhuangAutonomous,Nanning530023,China;2.SchoolofResources,EnvironmentandMaterialsofGuangxiUniversity,Nanning530004,China)Abstract:Acopper-lead-zincpolymetallicsulfideorefromGuangxiisseparatedbyflotation.Itisdifficulttogetthequalifiedcopperconcentratebecauseofthemutualinclusionbetweencopperandzinc,whichassociateswitheachother.Afterexperimentalresearch,mineralsareeffectivelyseparatedby“zincinhibition-flotationcopperandlead-separationofcopperandlead-zincseparationfromcopperandleadmixedflotationtailings"technology.SphaleriteandironsulfidemineralsaredepressedbyCaO.ZnSO4andthenewdepressorCZ-o02,whichisself-developedbythelaboratory.AndthenewcollectorCY-2Aisusedascollectorforcopperandlead.Thefinalclosed-circuittestobtainsacopperconcentratewithaCugradeof22.48%andrecoveryof70.11%;TheleadconcentratehasaPbgradeof57.39%andarecoveryof84.84%.ThezincconcentratehasaZngradeof51.93%andarecoveryof88.42%.Thetestindexesaregood,andtheeffectiveseparationofcopper,leadandz...
