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Use of ferricyanide for gold and silver cyanidation F. Xie, D. B. Dreisinger Department of Materials Engineering, University of British Columbia, 309-6350 Stores Road, Vancouver, BC...; Abstract: Low gold and silver leaching kinetics has been commonly observed in traditional gold-silver cyanidation process, especially in heap leaching......
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Cyanidation of gold clay ore containing arsenic and manganeseYu-liang Li,Jian Liu,and Wei-sheng Guan School of Environmental Science and Engineering,Chang’an University,Xi’an 710054,China摘 要:cyanidation and increase the gold and silver leaching rates,a novel......
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:A Biooxidation-cyanidation leaching of gold concentrates with different arsenic types CUI Ri-cheng, YANG Hong-ying, FU Yao, CHEN Sen, ZHANG Shuo (School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract: The biooxidation and cyanidation leaching of gold concentrates and monominerals with different arsenic types were studied. The effects of arsenopyrite......
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氰化尾液除铜 提高金氰化浸出率实践肖晓林1,2,周勋3(1.四川省成都市成都理工大学地球科学学院2.四川省成都市四川省冶金地勘局3.北京科技大学土木与环境工程学院)摘 要:松树南沟金矿氰化厂尾液含铜高,耗氰量大,金浸出率达不到设计指标.为解决这个问题,进行了长时间的试验研究.根据试验结果,采用两步沉淀法除铜,尾液全循环工艺,并进行了工业试验.试验结果表明,采用该工艺可以从氰化尾液中回收铜,提高金氰化浸出率,实现氰化尾液全循环.关键词:氰化; 金浸出率; 氰化尾液; 除铜; 全循环......
金精矿碱浸预处理研究与生产实践陈松梅1,鲍秀萍1,王福祥1(1.山东省烟台市烟台鑫海矿山机械有限公司设计研究院)摘 要:根据试验研究结果,对原生产氰化工艺增加碱浸预处理作业后,金浸出率提高了0.73%,氰化钠耗量最高可节省3.92 kg/t,使生产成本大幅度下降.关键词:氰化; 碱浸; 金; 浸出率......
and gold cyanidation experiment, the characteristics of gold leaching and the affecting mechanism of oxidizing roasting pretreatment were studied on an acidic antimony leaching residue. The process of acid antimony leaching-oxidizing roasting desulfurization-gold cyanidation was also investigated. The results show that being wrapped in pyrite is the primary cause for low leaching rate of gold......