福建某含铜锌高硫多金属金矿石低碱浮选工艺研究  

Study on low-alkaline flotation process of a copper-and zinc-bearing high-sulfur polymetallic gold ore in Fujian

作　　者：王智聪 马英强[1,2] 黄丽亚 陈波 Wang Zhicong;Ma Yingqiang;Huang Liya;Chen Bo(Zijin School of Geology and Mining,Fuzhou University;State Key Laboratory of Mineral Processing Science and Technology,BGRIMM Technology Group)

机构地区：[1]福州大学紫金地质与矿业学院 [2]矿冶科技集团有限公司矿物加工科学与技术国家重点实验室

出　　处：《黄金》2024年第11期94-98,共5页Gold

基　　金：矿冶科技集团有限公司矿物加工科学与技术国家重点实验室开放基金项目(BGRIMM-KJSKL-2023-11)。

摘　　要：福建某含铜锌高硫多金属金矿石金品位4.45 g/t、银品位60.10 g/t、铜品位0.47%、锌品位2.96%、含硫8.56%。为提高资源利用率,在原矿工艺矿物学基础上进行浮选试验研究,加入HS-1和HZ-1作为黄铁矿与闪锌矿的选择性抑制剂,减少石灰用量,实现低碱条件下铜、锌、硫分离。试验结果表明:金主要富集在高铜金精矿与含锌金精矿中,高铜金精矿金品位35.47 g/t、银品位614.17 g/t、铜品位5.69%;含锌金精矿金品位14.36 g/t、锌品位16.07%;金、银、铜、锌4种金属的总回收率分别达到91.39%、83.95%、87.11%和76.38%,资源得到充分利用,有效提高了企业经济效益。The ore of a high-sulfur polymetallic gold deposit in Fujian contains a gold grade of 4.45 g/t,silver grade of 60.10 g/t,copper grade of 0.47%,zinc grade of 2.96%,and sulfur content of 8.56%.To improve resource utilization,flotation tests were conducted based on process mineralogy,using HS-1 and HZ-1 as selective inhibitors for pyrite and sphalerite,reducing the lime dosage and achieving copper-zinc-sulfur separation under low alkaline conditions.The test results show that gold is mainly concentrated in high-copper gold concentrate and zinc-bearing gold concentrate,with gold grades of 35.47 g/t,silver grades of 614.17 g/t,and copper grades of 5.69%in the high-copper gold concentrate.The gold grades are 14.36 g/t and zine grades are 16.07%in zinc-bearing concentrates.The total recovery rates of gold,silver,copper,and zinc reached 91.39%,83.95%,87.11%,and 76.38%,respectively,effectively utilizing resources and significantly enhancing the economic efficiency of the enterprise.

关 键 词：选择性抑制剂 金矿 浮选 低碱 铜硫分离 多金属 

分 类 号：TD923[矿业工程—选矿] TD953