四川白玉铜铅锌共生矿清洁分离技术研究

金属矿山 ›› 2011, Vol. 40 ›› Issue (05): 96-100+105.

四川白玉铜铅锌共生矿清洁分离技术研究

赵开乐，王昌良，邓伟，李成秀，饶系英，徐平

中国地质科学院矿产综合利用研究所

出版日期:2011-05-12 发布日期:2011-05-12

Experimental Study on New Technology of Copper-Lead-Zinc Separation for Sulfide Ore in Baiyu Sichuan Province

Zhao Kaile，Wang Changliang，Deng Wei，Li Chengxiu，Rao Xiying，Xu Ping

Institute of Multipurpose Utilization of Mineral Resources,CAGS

Online:2011-05-12 Published:2011-05-12

摘要/Abstract

摘要： 四川白玉铜铅锌共生矿矿石性质复杂，铜铅矿物嵌布粒度极细，铜锌矿物致密共生，分离较为困难。采用铜铅部分混合优先浮选—选铅—选锌—铜铅混合精矿加压浸出分离工艺流程，以EM-WB-12为铜矿物捕收剂进行选矿试验，并在选铅时进行了粗精矿再磨，实验室试验可获得Cu+Pb品位28.09%，铜、铅回收率分别为85.00%、53.38%的铜铅混合精矿，铅品位和回收率分别为52.68%、30.13%的铅精矿以及锌品位和回收率分别为52.72%、73.62%的锌精矿，同时伴生银得到了有效回收。对铜铅混合精矿进行加压浸出，取得了Zn浸出率94.36%，Cu浸出率91.21%的优良指标，渣中Pb脱硫后品位达到40%。在此基础上进行了选矿扩大试验，其试验指标较好地验证了实验室试验结果。

关键词: 铜铅锌共生矿, 细粒嵌布, EM-WB-12捕收剂, 加压浸出

Abstract: In view of characteristics of close associated relationship with each other and owns complicated ore nature and fine dissemination size of valuable mineral for a copper-lead-zinc sulfide ore in Baiyu, the beneficiation tests were carried out by the process of preferential flotation of copper and lead,lead and zinc, pressure leaching of copper-lead mixed concentrate.And by regrinding rougher lead concentrate, new type special collector EM-WB-12 was added.Then, copper-lead mixed concentrate mixture with Cu and Pb grade of 5.15% and 22.94% at a 85.00% Cu recovery and 53.38% Pb recovery, lead concentrate with Pb grade of 52.68% at a 30.13% recovery were respectively achieved.Also, the associated silver in ores was effectively enriched.Taking pressure leaching to Cu-Pb mixed concentrate, got the leaching rate of Zn at 94.36% and Cu at 91.21%,the grade of Pb ofter dressing at 40%.Based on the tests of laboratory, pilot test were organized, The results fully confirm the reliability of those from laboratory tests.

Key words: Copper-lead-zinc sulfide ore, Fine-disseminated, EM-WB-12 collector, Pressure leaching

赵开乐, 王昌良, 邓伟, 李成秀, 饶系英, 徐平. 四川白玉铜铅锌共生矿清洁分离技术研究[J]. 金属矿山, 2011, 40(05): 96-100+105.

ZHAO Kai-Le, WANG Chang-Liang, DENG Wei, LI Cheng-Xiu, RAO Xi-Ying, XU Ping. Experimental Study on New Technology of Copper-Lead-Zinc Separation for Sulfide Ore in Baiyu Sichuan Province[J]. Metal Mine, 2011, 40(05): 96-100+105.

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