低品位铜镍矿选矿试验研究  

Experimental Study on a Low-Grade Copper-Nickel Ore

作　　者：刘宏印[1] 

机构地区：[1]化工部长沙设计研究院,湖南长沙410017

出　　处：《矿产保护与利用》2013年第2期19-21,共3页Conservation and Utilization of Mineral Resources

摘　　要：针对某地磁黄铁矿、镍黄铁矿与含镍磁黄铁矿之间紧密共生的性质特征,通过多种选矿方案的对比试验研究,最终采用铜镍混合浮选—铜镍分离浮选—混浮尾矿磁选工艺流程,获得的选矿指标为:铜精矿含Cu26.14%、Ni 0.71%,铜回收率为80.83%;镍精矿含Ni 5.61%、Cu 0.45%,镍回收率为72.99%;磁选精矿中含Ni 1.04%,回收率为6.84%。该工艺流程实现了矿石中有价元素铜、镍的有效回收。The pyrrhotite, pentlandite and nickel pyrrhotite in a copper -nickel polymetallic ore were closely associated, and comparative tests were carried out applying a variety of mineral pro- cessing schemes. Finally a process of copper - nickel bulk flotation - flotation separation of copper and nickel from the bulk concentrate - bulk flotation tailings retreatment by magnetic separation was applied, outputting three concentrates. The copper concentrate contains 26.14% Cu with a re- covery of 80.83%, and the content of Ni is 0.71%. The nickel concentrate contains 5.61% Ni with a recovery of 72.99% ,and with a Cu content of 0.45%. The magnetic concentrate contains 1. 04% Ni with a recovery of 6.84%. The study realizes effective recovery of valuable copper, nickel elements in the ore.

关 键 词：选矿 铜镍多金属矿 混合浮选 磁选 

分 类 号：TD952.1[矿业工程—选矿] TD954