新疆哈密的铜镍矿资源居全国第2位,采用化学方法、显微镜观察、SEM和EPMA分析等手段,研究哈密黄山南铜镍矿的化学组成、矿物组成及嵌布特征.结果表明:试样属轻微氧化的中低品位铜镍硫化矿石,其镍、铜的化学元素分析分别为0.62％和0.15％(质量分数);镍主要以硫化物(镍黄铁矿)和硅酸镍的形式存在.镍黄铁矿形态各异、粒度相对较粗;黄铜矿呈不规则状、粒度极不均匀.哈密黄山南铜镍矿石为星散浸染状构造,结构较为松疏,易生成细泥,恶化分选环境,因此,选择磨矿细度应适宜.现场尾矿中镍黄铁矿的含量很低,多为与磁黄铁矿或脉石毗连镶嵌构成镍的贫连生体,粒度为5～20 μm,再回收镍的幅度较小.
参考文献
| [1] | 彭容秋.镍冶金[M].长沙:中南大学出版社,2012:20-85.PENG Rong-qiu.Nickel metallurgy edition[M].Changsha:Central South University Press,2012:20-85.,2012. |
| [2] | HUANG K,LI Q W,CHEN J .Recovery of copper,nickel and cobalt from acidic pressure leaching solutions of low-grade sulfide flotation concentrates[J].Minerals Engineering,2007,20(7):722-728.,2007. |
| [3] | 新疆哈密探明大量镍矿储量仅次于金川[J].新疆有色金属,2007(S1):112.Abundant nickel ore reserves in Hami,Xinjiang lying second only to Jinchuan[J].Xinjiang Nonferrous Metals,2007(S1):112.,2007. |
| [4] | 孙燕,帅德权,慕纪录,肖渊甫 .新疆黄山铜镍成矿带中含镍系列矿物组分特征[J].成都理工学院学报,1996,23(2):16-20.SUN Yan,SHUAI De-quan,MU Ji-lu,XIAO Yuan-fu.Composition characteristics of the nickeliferous series in the Cu-Ni mineralization zone,Huangsha,Xinjiang[J].Journal of Chengdu Institute of Technology,1996,23(2):16-20.,1996. |
| [5] | 杨金贵,李金良.铜镍选厂技术革新及效果[C]//余永富.2012年全国选矿前沿技术大会论文集.北京:冶金工业出版社,2012,9:206-210.YANG Jin-gui,LI Jin-liang.Effects and technique innovation of mineral processing in copper nickel ore[C]//YU Yong-fu.Proceedings of 2012 mineral processing leading-edge technology in China.Beijing:Metallurgical Industry Press,2012,9:206 210.,2012. |
| [6] | 廖乾,冯其明,欧乐明,卢毅屏,张国范,曹佳宏.金川低品位镍矿石工艺矿物学特性研究[J].矿物岩石,2011(01):5-10. |
| [7] | 于宏东.长阳火烧坪铁矿工艺矿物学研究[J].矿冶,2008(02):107-110,106. |
| [8] | 王志福,吴飞,谭克彬,李杉杉,师霄杰,张亮,谭治雄,王芳.哈密红石岗铜镍矿矿床地质特征及找矿前景[J].新疆地质,2012(03):307-311. |
| [9] | 谢军辉,朱凌霄.哈密黄山铜镍矿矿床成因分析及找矿思路探索[J].新疆有色金属,2011(01):33-36,41. |
| [10] | 罗太旭.印度尼西亚卫古岛风化壳型硅酸镍矿床地质特征与成矿机制[J].地质与勘探,2008(04):45-49. |
| [11] | 龙涛,冯其明,卢毅屏.六偏磷酸钠在硫化铜镍矿浮选中的分散机理[J].中国有色金属学报,2012(06):1763-1769. |
| [12] | SENIOR G D,TRAHAR W J,GUY P J .The selective flotation of pentlandite from a nickel ore[J].International Journal of Mineral Processing,1995,43(3):209-234.,1995. |
| [13] | BRUCKARD W J,SPARROW G J,WOODCOCK J T .A review of the effects of the grinding environment on the flotation of copper sulphides[J].International Journal of Mineral Processing,2011,100(1):1-13.,2011. |
| [14] | SENIOR G D,THOMAS S A .Development and implementation of a new flowsheet for the flotation of a low grade nickel ore[J].International Journal of Mineral Processing,2005,78(1):49-61.,2005. |
| [15] | CHEN G,GRANO S,SOBIERAJ S,RALSTON J .The effect of high intensity conditioning on the flotation of a nickel ore.Part 1:Size-by-size analysis[J].Minerals Engineering,1999,12(10):1185-1200.,1999. |
| [16] | 王虹,邓海波.蛇纹石对硫化铜镍矿浮选过程影响及其分离研究进展[J].有色矿冶,2008(04):19-23,27. |
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