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现代矿业 2019, Vol. 35 Issue (08) :86-89    DOI:
矿物加工工程 最新目录 | 下期目录 | 过刊浏览 | 高级检索 << Previous Articles | Next Articles >>
广西某铅锌多金属矿浮选工艺研究
魏宗武,张瀚,侍兴君*
广西大学资源环境与材料学院
Flotation Technology Research of a Pb-Zn Polymetallic Ore in Guangxi
Wei Zongwu,Zhang Han,Shi Xingjun*
College of Resources,Environment and Materials,Guangxi University

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摘要 广西某铅锌多金属矿石矿物种类较多,Pb、Sb、Zn、S、Ag品位分别为2.75%、2.33%、12.24%、28.27%、96.08 g/t,属高品位复杂难选锡伴生多金属硫化矿。为给该矿石选矿工艺流程确定提供依据,对其进行了浮选工艺研究。试验确定采用先选铅、选铅尾矿选锌的工艺流程。铅浮选采用组合抑制剂硫酸锌+亚硫酸钠抑制铁闪锌矿、硫酸为活化剂、LW-01为捕收剂,经1粗2精2扫浮选脆硫锑铅矿,选铅尾矿以组合抑制剂石灰+y-As抑制硫铁矿和毒砂、硫酸铜为活化剂、丁基黄药为捕收剂,经1粗2精2扫选锌,闭路试验可获得铅品位26.93%、锑品位23.35%、锌品位5.45%、银品位960 g/t、铅回收率87.91%、锑回收率87.82%、银回收率86.98%的铅锑精矿,锌精矿锌品位48.67%、锌回收率94.22%的指标。
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魏宗武
张瀚
侍兴君
关键词铅锌分离   优先浮选   组合抑制剂   脆硫锑铅矿   新型捕收剂     
Abstract: There are many kinds of minerals in a lead-zinc polymetallic ore in Guangxi.The grade of Pb,Sb,Zn,S and Ag is 2.75%,2.33%,12.24%,28.27% and 96.08 g/t,respectively.It is belongs to a high-grade complex and refractory tin-associated polymetallic sulphide ore.In order to provide a basis for the determination of ore dressing process,the flotation process was studied.The technological process of prioity separation lead,and zinc flotation from lead tailings is determined.In lead flotation,zinc sulfate + sodium sulfite was used as combined inhibitor to drepress sphalerite,sulfuric acid as activator,LW-01 as collector,via one roughing two cleaning two scavenging jamesonite flotation.Lead tailings using lime + y-As as inhibitor to depress pyrite and arsenopyrite,copper sulfate as activator,butyl xanthate as collector,via one roughing two cleaning two scavenging zinc flotation.Through closed circuit test,the lead-antimony concentrate with lead grade 26.93%,antimony grade 23.35%,zinc grade 5.45%,silver grade 960 g/t,lead recovery 87.91%,antimony recovery 87.82%,silver recovery 86.98%,zinc concentrate with zinc grade 48.67% and zinc recovery 94.22% can be obtained.
KeywordsSeparation of Pb and Zn   Priority flotation   Combined inhibitor   Jamesonite   New collector     
Fund:

* 广西自然科学基金项目(编号:2018QXNSFAA281337)。

引用本文:   
魏宗武, 张瀚, 侍兴君.广西某铅锌多金属矿浮选工艺研究[J]  现代矿业, 2019,V35(08): 86-89
WEI Zong-Wu, ZHANG Han, SHI Xing-Jun.Flotation Technology Research of a Pb-Zn Polymetallic Ore in Guangxi[J]  Modern Mining, 2019,V35(08): 86-89
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