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现代矿业 2019, Vol. 35 Issue (04) :119-121    DOI:
矿物加工工程 最新目录 | 下期目录 | 过刊浏览 | 高级检索 << Previous Articles | Next Articles >>
某斑岩型含金铜矿石的工艺矿物学研究
傅飞龙*
紫金矿业集团股份有限公司
Research on Process Mineralogy of a Porphyry Gold—bearing Copper Ore
Fu Feilong*
Zijin Mining Group Co.,Ltd

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摘要 为给某斑岩型低品位含金铜矿石的开发利用工艺研究提供指导,对该矿石进行了详细的工艺矿物学研究。结果表明,矿石含铜0.44%、含金0.092 g/t;矿石中的目的矿物主要为黄铜矿,其次为铜蓝和斑铜矿,嵌布特征较简单,易于单体解离;其中的可见金占比较大,硫化矿中不可见金占比较少,还有部分非硫化物不可见金。矿石中黄铁矿和脉石含量较高,且成分复杂,是影响有用矿物分选的主要因素。研究表明,该矿石适合采用粗粒抛尾、细粒级分选的选别工艺,预测铜精矿中铜的理论回收率为82.98%~89.59%,金的理论回收率为78%~84%。
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傅飞龙
关键词含金铜矿石   工艺矿物学   粗粒级抛尾   细粒级分选   理论回收率     
Abstract: In order to provide some guidance to the research on development and utilization of a porphyry and low—grade gold—bearing copper ore,the process mineralogy on the ore was conducted.The result showed that the raw ore contained 0.44% Cu and 0.092 g/t Au,the object ore is mainly chalcopyrite,secondly covelline and bornite,all of which have simple mineral dissemination characteristics and easily to be liberated.The gold mostly exposed,the gold content is a little related to sulphide ore and non—sulphide ore.The contents of pyrite and gangue minerals are high and their compositions are very complex,which will be the main factor on the separation of these useful minerals.The study showed that the processing of coarse—grained tail—throwing and fine—grained separation was suitable for this ore.It was predicted that the theoretical recovery of copper is between 82.98% and 89.59%,and the recovery of gold is 78%~84%.
KeywordsGold—bearing copper ore   Process mineralogy   Coarse—grained tail—throwing   Fine—grained separation   Theoretical recovery rate     
引用本文:   
傅飞龙.某斑岩型含金铜矿石的工艺矿物学研究[J]  现代矿业, 2019,V35(04): 119-121
FU Fei-Long.Research on Process Mineralogy of a Porphyry Gold—bearing Copper Ore[J]  Modern Mining, 2019,V35(04): 119-121
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