| 硫酸选择性浸出含钴铜物料的研究 |
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| 引用本文： | 袁文辉,邱定蕃,王成彦,尹飞,陈永强.硫酸选择性浸出含钴铜物料的研究[J].有色金属(冶炼部分),2009(5). |
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| 作者姓名： | 袁文辉 邱定蕃 王成彦 尹飞 陈永强 |
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| 作者单位： | 北京矿冶研究总院,北京,100044 |
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| 基金项目： | 国家自然科学基金重点项目，国家973计划项目 |
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| 摘 要： | 对由失效锂离子电池焙烧制备的含钴铜物料进行物相分析和硫酸选择性浸出。对浸出温度、浸出时间、硫酸初始浓度、搅拌转速、液固比等影响钴和铜浸出率的因素进行了条件试验,同时分析了浸出机理,钴和铜之间的相互作用有利于钴的浸出与铜的沉淀分离。得到了选择性浸出钴的优化工艺参数:使用1 mol/L硫酸,浸出温度60℃,浸出时间2 h,搅拌转速200 r/min,液固比20∶1(mL/g)。在优化条件下进行了重复试验,钴和铜平均浸出率分别为95.3%和0.37%,钴铜分离系数达到21.4,选择性浸出钴效果较好。
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| 关 键 词： | 锂离子电池 钴 铜 硫酸 选择性浸出 |
Sulfuric Acid Selective Leaching Process for Cobalt and Copper Material |
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| YUAN Wen-hui,QIU Ding-fan,WANG Chen-yan,YIN Fei,CHEN Yong-qiang.Sulfuric Acid Selective Leaching Process for Cobalt and Copper Material[J].Nonferrous Metals(Extractive Metallurgy),2009(5). |
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| Authors: | YUAN Wen-hui QIU Ding-fan WANG Chen-yan YIN Fei CHEN Yong-qiang |
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| Affiliation: | YUAN Wen-hui,QIU Ding-fan,WANG Chen-yan,YIN Fei,CHEN Yong-qiang(Beijing General Research Institute of Mining and Metallurgy,Beijing 100044,China) |
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| Abstract: | The mineralogy and sulfuric acid selective leaching of cobaltiferous and cupriferous material from the roasted spent lithium-ion battery were studied.The effects of experimental conditions on the leaching efficiency of Co and Cu,such as leaching temperature,leaching time,sulfuric acid initial concentration,speed of agitator,and liquid-to-solid ratio,were investigated.Moreover,the leaching mechanism was analyzed,the interaction of Co and Cu component is propitious to increase leaching efficiency of Co and pr... |
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| Keywords: | Lithium-ion battery Cobalt Copper Sulfuric acid Selective leaching |
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