| 某硫化铜矿尾矿碱性细菌浸出试验研究 |
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| 引用本文： | 刘伟芳,王洪江,张旭,吴爱祥.某硫化铜矿尾矿碱性细菌浸出试验研究[J].矿冶工程,2011,31(3):89-92. |
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| 作者姓名： | 刘伟芳 王洪江 张旭 吴爱祥 |
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| 作者单位： | 北京科技大学 土木与环境工程学院, 北京 100083 |
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| 基金项目： | 新世纪优秀人才支持计划(NECT-07-0070); 国家自然科学基金重点项目(50934002),国家自然科学基金项目(50774011) |
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| 摘 要： | 采用尾矿坝中富集培养的碱性硫杆菌, 进行某硫化铜矿尾矿的浸出试验, 从接种量、细菌的适应时间、矿浆浓度等方面探讨细菌对铜浸出率的影响。试样结果显示, 当接种量为25%, 细菌的适应时间为5 d, 矿浆浓度为5 g/L, 在浸出时间为50 d时, 尾矿中铜的浸出率最高达24.51%。浸出试验优化后, 铜浸出率预期最大值33.4%, 可提高8.89个百分点。
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| 关 键 词： | 生物选矿 铜尾矿 碱性细菌浸出 铜浸出率 |
| 收稿时间： | 2010-12-17 |
Experimental Study on Bioleaching of Copper Sulfide Tailings under Alkaline Conditions |
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| LIU Wei-fang,WANG Hong-jiang,ZHANG Xu,WU Ai-xiang.Experimental Study on Bioleaching of Copper Sulfide Tailings under Alkaline Conditions[J].Mining and Metallurgical Engineering,2011,31(3):89-92. |
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| Authors: | LIU Wei-fang WANG Hong-jiang ZHANG Xu WU Ai-xiang |
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| Affiliation: | School of Civil and Environmental Engineering, Beijing University of Science and Technology, Beijing 100083, China |
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| Abstract: | A bacterial leaching test was performed for the tailings of some copper sulfide with alkaline thiobacillus which was isolated in tailings dam with enrichment culture technology.The effect of inoculation amount,adaptation time of bacteria and pulp density on the leaching rate of the copper was analyzed.Results showed that the leaching rate of copper from tailings can reach a maximum of 24.51% after bioleaching for 50 d with a pulp density of 5 g/L,25% of inoculation amount and 5 d of adaptation time of bacte... |
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| Keywords: | microbial processing copper tailings alkaline bioleaching leaching rate of copper |
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