西安建筑科技大学材料与矿资学院，陕西省黄金与资源重点实验室，陕西 西安 710055
收稿日期:2018-01-09修回日期:2018-04-03出版日期:2018-12-22发布日期:2018-12-19通讯作者:曹欢基金资助:氧化铅（PbO）强化难处理高铜金精矿氰化浸出过程的基础研究;碲化物型难处理金银碲综合回收技术研究Influence of copper morphology on copper and gold leaching rates in calcine and acid leaching residue
Wei YANG, Huan CAO*, Kai ZHANG, Gang WANGCollege of Materials and Mineral Resources, Xi?an University of Architecture and Technology,Key Laboratory of Gold and Resource of Shaanxi Province, Xi?an, Shaanxi 710055, China
Received:2018-01-09Revised:2018-04-03Online:2018-12-22Published:2018-12-19摘要/Abstract
摘要： 以某黄金冶炼厂含铜金精矿为研究对象，采用铜化学物相分析及浸出方法研究了焙烧?酸浸?氰化工艺处理含铜金精矿过程中焙烧酸浸渣中铜形态对铜、金浸出率的影响. 结果表明，含铜金精矿焙烧酸浸及氰化浸出时，铜形态对铜、金浸出率有显著影响，当酸浸渣中氰化易溶铜(氧化铜、次生硫化铜)含量大于0.10%时，金浸出率降低. 以原生硫化铜矿为主的含铜金精矿，适当提高焙烧温度、延长焙烧时间、增加初始酸浸酸度可有效降低酸浸渣中氰化易溶铜含量，提高铜浸出率，减弱其对金浸出率的影响.
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杨玮 曹欢 张凯 王刚. 焙烧酸浸渣中铜的形态对铜、金浸出率的影响[J]. 过程工程学报, 2018, 18(6): 1226-1231.
Wei YANG Huan CAO Kai ZHANG Gang WANG. Influence of copper morphology on copper and gold leaching rates in calcine and acid leaching residue[J]. Chin. J. Process Eng., 2018, 18(6): 1226-1231.
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