深海多金属硫化物浮选尾矿氨浸工艺研究  

Research on Ammonia Leaching of Polymetallic Sulfide Flotation Tailings

作　　者：蒋伟[1,2] 蒋训雄[2] 汪胜东[2] 蒋开喜[2] 王爱平[2] 李艳峰[2] JIANG Wei JIANG Xun-xiong WANG Sheng-dong JIANG Kai-xi WANG Ai-ping LI Yan-feng(University of Science and Technology Beijing, Beiiing 100083, China Beijing General Research Institute of Mining and Metallurgy, Beijing 100160, China)

机构地区：[1]北京科技大学,北京100083 [2]北京矿冶研究总院,北京100160

出　　处：《有色金属（冶炼部分）》2017年第7期4-6,共3页Nonferrous Metals（Extractive Metallurgy)

基　　金：中国大洋协会项目(DY125-11-T-02)

摘　　要：针对中国大洋多金属硫化物勘探合同区某一区域的多金属硫化物浮选尾矿开展氨浸工艺研究,对有价金属进行选择性提取回收,查明了影响主要金属回收的因素,确定主要参数。当总氨浓度达到2.0mol/L,液固比(4~6)1,浸出温度25~50℃,添加剂用量1%时,浮选尾矿中的铜浸出率可达到85%以上,镁浸出率低于2%。Ammonia leaching process for polymetallic sulfide flotation tailings from the contract areas of COMRA was carried out to recover valuable metals. Influencing factors on metal recovery were investigated and main parameters were determined. Leaching rate of copper is 85 % above and leaching rate of magnesium is 5% below under the optimum conditions including initial ammonia concentration of 2 mol/L, L/S of （4-6） ： 1, temperature of 25-50 ℃, and additive dosage of 1%.

关 键 词：多金属硫化物 浮选尾矿 氨浸 选择性浸出 

分 类 号：TF811[冶金工程—有色金属冶金]