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堆浸矿石中金回收率低是由于通过料堆的溶液非均匀渗透(沟流)引起的.由于在垫板上筑堆期间矿石的压实或氰化物溶液同矿石中的其他元素或地球化学“杂质”发生竞争反应,使得溶液的渗透速度很低.本文中讨论了这些现象的性质和产生的原因,并建议土工技术和地球化学专家的评价能有助于较好地了解实验室结果和工业堆浸二者之间的关系,建议根据地球化学和土工技术的实验室评价来完成实验实冶金试验,以便较成功地进行堆浸设计.
The low recovery of gold in heap leach ore is due to inhomogeneous infiltration (channeling) of the solution through the heap due to the compaction of the ore during piling or the cyanide solution with other elements in the ore or geochemistry “Impurities ” so that the solution infiltration rate is very low.This paper discusses the nature of these phenomena and the reasons for the formation and suggested that the evaluation of geotechnical and geochemical experts can help to better understand the laboratory The results and the relationship between industrial heap leaching suggest that experimental metallurgical tests be completed based on laboratory evaluations of geochemical and geotechnical techniques for more successful heap leaching designs.