云南某地铅锌银多金属硫化矿的浮选试验研究  

Flotation Test for Lead-zinc-silver Polymetallic Sulfide Ore of Yunnan

作　　者：叶家笋[1,2] 曾茂青[1,2] 王世涛[1,2] 乐智广[1,2] YE Jiasun;ZENG Maoqing;WANG Shitao;LE Zhiguang(Key Laboratory of Geological Metallogenesis and Mineral Resources Utilization in Sanjiang Region,Ministry of Landand Resources,Kunming 650218,China;Kunming Mineral Resources Surveillance Testing Centre,Ministry of Land and Resources,Kunming 650218,China)

机构地区：[1]国土资源部三江成矿作用及资源勘查利用重点实验室,昆明650218 [2]国土资源部昆明矿产资源监督检测中心,昆明650218

出　　处：《有色金属（选矿部分）》2020年第1期31-37,共7页Nonferrous Metals（Mineral Processing Section）

摘　　要：对云南某地铅锌银多金属硫化矿进行浮选试验研究。原矿入选品位Pb 2.98%、Zn 3.92%、Ag 33.5g/t。采用铅硫混浮-铅硫分离-尾矿浮锌的工艺流程,闭路试验获得了铅精矿产率4.46%、含Pb 52.29%,含Zn 4.34%,铅回收率84.53%;锌精矿产率6.20%、含Zn 54.57%,含Pb 0.78%,锌回收率85.27%;富集在铅精矿中Ag 211g/t、银回收率28.38%的选别指标。A Flotation test of a lead-zinc-silver polymetallic sulfide ore from Yunnan was studied.The ore contains Pb 2.98%,Zn 3.92%and Ag 33.5 g/t.The technical processing flowsheet of lead-sulphur bulk flotation-lead-sulphur separation-zinc flotation from tailings is adopted.The closed-circuit test showed that lead concentrate yield was 4.46%,containing Pb 52.29%,Zn 4.34%and lead recovery was 84.53%;Zinc concentrate yield was 6.20%,containing Zn 54.57%,Pb 0.78%,and zinc recovery was85.27%.Silver content in the lead concentrate reaches 211 g/t and silver recovery was 28.38%.

关 键 词：铅硫混浮 铅硫分离 铅锌银多金属矿 低碱浮选 

分 类 号：TD952[矿业工程—选矿]