| 不同类型黄铜矿的生物浸出研究 |
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| 引用本文： | 傅开彬,林海,莫晓兰,董颖博,周立.不同类型黄铜矿的生物浸出研究[J].北京科技大学学报,2011(7):806-811. |
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| 作者姓名： | 傅开彬 林海 莫晓兰 董颖博 周立 |
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| 作者单位： | 北京科技大学土木与环境工程学院;北京科技大学金属矿山高效开采与安全教育部重点实验室; |
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| 基金项目： | 北京市教育委员会共建项目建设计划资助项目(No.XK100080432) |
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| 摘 要： | 研究了两种不同类型(黄铁矿型,斑岩型)黄铜矿生物浸出的差异.实验结果表明:两类黄铜矿生物浸出差别很大,48 d后黄铁矿型黄铜矿浸出率为46.96%,斑岩型黄铜矿浸出率为14.5%.对Fe2+、矿物表面Cu2p谱图和矿床特征的分析发现:适量的Fe2+能促进黄铜矿的浸出,但最佳用量不一样;浸渣表面产物不同,斑岩型黄铜矿表面出现富铜层,阻碍了浸出继续进行;与原矿相比,铜结合能都降低,符合Hiroyoshi等提出黄铜矿浸出的两步溶解模型;两类黄铜矿生物浸出的差异是由成矿岩体、围岩、伴生矿物和元素、成矿温度和压力等因素综合决定的.
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| 关 键 词： | 黄铜矿 生物浸出 矿床特征 结合能 |
Study on bioleaching of different types of chalcopyrite |
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| FU Kai-bin,LIN Hai,MO Xiao-lan,DONG Ying-bo,ZHOU Li, School of Civil , Environmental Engineering,University of Science , Technology Beijing,Beijing ,China Key Laboratory of the Ministry of Education of China for High-Efficient Mining , Safety of Metal Mines,China.Study on bioleaching of different types of chalcopyrite[J].Journal of University of Science and Technology Beijing,2011(7):806-811. |
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| Authors: | FU Kai-bin LIN Hai MO Xiao-lan DONG Ying-bo ZHOU Li School of Civil Environmental Engineering University of Science Technology Beijing Beijing China Key Laboratory of the Ministry of Education of China for High-Efficient Mining Safety of Metal Mines China |
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| Institution: | FU Kai-bin1,2),LIN Hai1,MO Xiao-lan1,DONG Ying-bo1,ZHOU Li1,2) 1) School of Civil and Environmental Engineering,University of Science and Technology Beijing,Beijing 100083,China 2) Key Laboratory of the Ministry of Education of China for High-Efficient Mining and Safety of Metal Mines,China |
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| Abstract: | Bioleaching of chalcopyrite with two different types,pyrite type and porphyry type,was compared.It is shown that there is a great difference in leaching efficiency.After 48d,the copper leaching rate reaches 46.96% for the pyritic chalcopyrite,while it is 14.5% for the porphyry chalcopyrite.Based on the analysis of Fe2+,Cu 2p spectra on the chalcopyrite surface and deposit characteristics,a moderate amount of Fe2+ can promote bioleaching of the two kinds of chalcopyrite,but their optimal dosages are distinct... |
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| Keywords: | chalcopyrite bioleaching deposit characteristics binding energy |
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