大冶铜绿山坑采难选矿石选铜试验研究

金属矿山 ›› 2007, Vol. 37 ›› Issue (12): 61-63+110.

大冶铜绿山坑采难选矿石选铜试验研究

龙仲胜¹，张芹²，孙志勇²，张兴旺²

1.中南大学；2.武汉科技大学

出版日期:2007-12-15 发布日期:2012-02-07

Experimental Study on Copper Separation from Refractory Ore of Lushankeng Open-Pit Mine of Daye Non-Ferrous Metal Co

Long Zhongsheng¹，Zhang Qin²，Sun Zhiyong²，Zhang Xingwang²

1.Central South University；2.Wuhan University of Science and Technology

Online:2007-12-15 Published:2012-02-07

摘要/Abstract

摘要： 为改善大冶铜绿山坑采难选矿石的选铜指标，进行了较详细的实验室浮选试验。结果表明：混合捕收剂有利于提高铜的回收率；添加调整剂SB-1可较好地解决云母类脉石对铜浮选的的干扰问题；将异丁黄药与丁铵黑药按2∶1比例混合作为混合捕收剂，采用添加SB-1的中矿再磨闭路流程，可获得精矿铜品位20.51%、铜回收率93.37%、金品位12.48 g/t、金回收率73.60%的较好选铜指标。

关键词: 坑采难选矿石, 选铜, 混合捕收剂, 调整剂SB-1, 中矿再磨

Abstract: In order to improve the copper beneficiation performance of the refractory ore from Daye Co.'s Tonglushan Open-Pit Mine, detailed laboratory flotation test was made. The results show that mixed collector can be beneficial to the improvement of copper recovery, addition of SB-1 regulator can well solve the interference of mica type gangues to the copper flotation. The application of the collector mixed by isobutyl xanthate and butylammonium aerofloat in 2∶1 ratio and SB-1 in the flowsheet including closed-circuit middling regrinding obtained rather good copper separation indexes. The concentrate has a copper grade of 20.51%, copper recovery of 93.37%, gold grade of 12.48 g/t and gold recovery of 73.60%.

Key words: Refractory ore from open-pit mining, Copper separation, Mixed collector, Regulator SB-1, Middling regrinding

龙仲胜, 张芹, 孙志勇, 张兴旺. 大冶铜绿山坑采难选矿石选铜试验研究[J]. 金属矿山, 2007, 37(12): 61-63+110.

LONG Zhong-Sheng, ZHANG Qin, SUN Zhi-Yong, ZHANG Xing-Wang. Experimental Study on Copper Separation from Refractory Ore of Lushankeng Open-Pit Mine of Daye Non-Ferrous Metal Co[J]. Metal Mine, 2007, 37(12): 61-63+110.

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