氧化铜矿石的选矿技术现状与展望

概述了氧化铜矿石资源的特点及矿石性质。分别从浮选工艺、化学浸出工艺和选冶联合工艺3方面总结了氧化铜矿石的选矿工艺研究现状，从直接浮选、硫化浮选、水热硫化浮选、微细粒真空微泡浮选、脱泥浮选等方面详述了浮选工艺的研究进展；介绍了化学浸出工艺（包括酸浸和氨浸两方面）、集常规浮选和浸出工艺各自优点于一身的选冶联合工艺以及氧化铜矿石的微生物浸出、焙烧-氨浸和离析-浮选等新工艺的研究情况。最后指出：提高氧化铜矿石的选矿技术水平必须认真做好矿石的工艺矿物学研究；要加强高效浮选新药剂的研发力度；在确定矿石的处理工艺时，要在充分认识各选矿方法优缺点的基础上进行必要的优化组合，实现各选矿方法的优势互补。

Present Situation and Prospect of Beneficiation Technology of Copper Oxide Ore

Characteristics and properties of oxidized copper ore resources were summarized.Also the present situation of research on mineral processing technology was respectively introduced from three aspects of flotation process，chemical leaching process and combined dressing-metallurgy technology.The research status of flotation process is described in detail from aspects of direct flotation，flotation of sulfide，hydro-thermal sulfide flotation，finely particles of vacuum micro bubble flotation，desliming flotation and others.The chemical leaching process (including two aspects of acid leaching and ammonia leaching) is introduced，pointing out that the research in conventional flotation and leaching processes set their advantages in smelt joint processes,and new technology of copper oxide ore by microbiological leaching，roasting ammonia leaching and separation flotation etc.were presents.In the end，it is pointed out that the technological level of mineral processing technology of oxidized copper ore must be carefully studied；the research and development of new drugs should be strengthened to realize high efficiency flotation.In determining the ore treatment process，the optimal combination with various processing methods based on fully recognizing the advantages and disadvantages of those processing methods can achieve the complementary advantages of each beneficiation methods.