根据新疆某硫化铜镍矿矿石的工艺矿物学特性,采用一次粗选、一次精选、两次扫选、中矿顺序返回的铜镍混合浮选流程,用碳酸钠作pH调整剂,六偏磷酸钠作分散剂,羧甲基纤维素作抑制剂,混合黄药作捕收剂,得到混合精矿含镍10.89％、含铜4.27％,镍回收率81.61％、铜回收率85.03％,氧化镁含量低于6.8％.六偏磷酸钠能分散蛇纹石与硫化矿物,降低蛇纹石对硫化矿物浮选的影响,而羧甲基纤维素能抑制含镁硅酸盐矿物的上浮,实现硫化矿物与含镁硅酸盐脉石的浮选分离.
参考文献
| [1] | G.D. Senior;S.A. Thomas.Development and implementation of a new flowsheet for the flotation of a low grade nickel ore[J].International Journal of Mineral Processing,20051(1):49-61. |
| [2] | 王毓华;陈兴华;胡业民.碳酸钠对细粒铝硅酸盐矿物分散行为的影响[J].中国矿业大学学报,2007(3):292-297. |
| [3] | Bo Feng;Yiping Lu;Qiming Feng.Solution Chemistry of Sodium Silicate and Implications for Pyrite Flotation[J].Industrial & Engineering Chemistry Research,201237(37):12089-12094. |
| [4] | Vesa Kirjavainen;Kari Heiskanen.Some factors that affect beneficiation of sulphide nickel-copper ores[J].Minerals Engineering,20077(7):629-633. |
| [5] | 卢毅屏;张明强;冯其明;龙涛;欧乐明;张国范.六偏磷酸钠在蛇纹石与黄铁矿分离中的作用[J].中国有色金属学报（英文版）,2011(1):208-213. |
| [6] | Pietrobon M.C.;Grano S.R..RECOVERY MECHANISMS FOR PENTLANDITE AND MgO-BEARING GANGUE MINERALS IN NICKEL ORES FROM WESTERN AUSTRALIA[J].Minerals Engineering,19978(8):775-786. |
| [7] | O. Bicak;Z. Ekmekci;D.J. Bradshaw.Adsorption of guar gum and CMC on pyrite[J].Minerals Engineering,200710(10):996-1002. |
| [8] | Bo Feng;Yiping Lu;Qiming Feng.Talc-serpentine interactions and implications for talc depression[J].Minerals Engineering,2012:68-73. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%