| 用Lix984萃取分离水钴矿浸出液中的铜钴 |
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| 引用本文： | 马文强,徐盛明,李林艳.用Lix984萃取分离水钴矿浸出液中的铜钴[J].矿物学报,2011,31(3):560-565. |
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| 作者姓名： | 马文强 徐盛明 李林艳 |
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| 作者单位： | 1. 贵州大学矿业学院,贵州贵阳550003／贵州省非金属矿产资源综合利用重点实验室,贵州贵阳550003／清华大学核能与新能源技术研究院精细陶瓷北京市重点实验室,北京100084
2. 清华大学核能与新能源技术研究院精细陶瓷北京市重点实验室,北京,100084 |
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| 基金项目： | 国家重点基础研究发展计划课题(2007CB613506;2007CB613505) |
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| 摘 要： | 采用Lix984作为萃取剂、硫酸作为反萃剂，从低品位水钴矿还原酸浸液中萃取分离铜、钴。研究了平衡pH值、萃取剂浓度、相比（有机相与水相的体积比）、混合时间、反萃剂浓度、反萃相比等因素对萃取分离的影响，确定了Lix984萃取分离铜、钴的优化条件。结果表明，萃取剂Lix984萃取铜的优化工艺条件：p（Lix984）为40％；平衡pH为1．83；相比为1：1；混合时间为4rain；反萃剂为4．0mol／L的H2SO4。；反萃相比为1：1。在优化条件下，料液经三级逆流萃取和二级反萃，萃取率和反萃率分别达99．O％和99．5％。
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| 关 键 词： | 水钴矿 萃取 Lix984 铜 钴 |
Extractive Separation of Copper and Cobalt from Acid Leaching Solution of Heterogenite by Using Lix984 |
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| MA Wen-qiang,,XU Sheng-ming,LI Lin-yan.Extractive Separation of Copper and Cobalt from Acid Leaching Solution of Heterogenite by Using Lix984[J].Acta Mineralogica Sinica,2011,31(3):560-565. |
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| Authors: | MA Wen-qiang XU Sheng-ming LI Lin-yan |
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| Institution: | MA Wen-qiang1,2,3,XU Sheng-ming3,LI Lin-yan3(1.Mining College of Guizhou University,Guiyang 550003,China,2.Key Laboratory of Comprehensive Utilization of Nonmetal Mineral Resources,3.Institute of Nuclear and New Energy Technology,Beijing Key Lab of Fine Ceramics,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Copper and cobalt were extracted and recovered from the acid leaching solution of low-grade heterogenite,by using Lix984 as extractant and sulfuric acid as stripping agent.The effects of equilibrium pH,concentration of extractant,phase ratio V(O)/V(A),contacting time,concentration of stripping agent and the phase ratioV(O)/V(A) of stripping on the extractive separation and recovery of copper and cobalt were investigated,and the optimum conditions of extracting copper and cobalt using Lix984 were also determ... |
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| Keywords: | heterogenite solvent extraction Lix984 copper cobalt |
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