Comprehensive study of filtration properties of pelletized sandy clay ores and filtration modes in the heap leaching stack

IF 2.4 Q2 MINING & MINERAL PROCESSING Journal of Mining Institute Pub Date : 2023-03-02 DOI:10.31897/pmi.2023.7
M. Marinin, M. Karasev, Georgiy Pospehov, Anastasia Pomortseva, Veronica Kondakova, V. Sushkova
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引用次数: 4

Abstract

There are the results of a study of the factors determining the formation and changes in the filtration properties of a heap leaching stack formed from pelletized poor sandy-clay ores. An analysis of methods of investigation of filtration properties of ore material for different stages of heap leaching plots functioning is carried out. Influence of segregation process during stack dumping on formation of zones with very different permeability parameters of ore has been established by experimental and filtration works. The construction and application of a numerical model of filtration processes in pelletized ores based on laboratory experiments is shown. By means of solution percolation simulation at different irrigation intensities the justification of optimal stack parameters is provided in terms of the geomechanical stability and prevention of solution level rise above the drainage layer.
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粒状砂质粘土矿石过滤特性及堆浸堆过滤方式的综合研究
这是一项研究,决定的因素形成和过滤性能的变化,由球团状贫砂-粘土矿石形成的堆浸堆的研究结果。分析了堆浸不同阶段矿料过滤性能的研究方法。通过试验和过滤工作,确定了堆放过程中偏析过程对矿石渗透率参数差异较大带形成的影响。介绍了基于室内实验的球团矿过滤过程数值模型的建立和应用。通过不同灌溉强度下的溶液渗流模拟,从地质力学稳定性和防止渗水层上方溶液水位上升的角度,论证了最优叠加参数的合理性。
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来源期刊
Journal of Mining Institute
Journal of Mining Institute MINING & MINERAL PROCESSING-
CiteScore
7.50
自引率
25.00%
发文量
62
审稿时长
8 weeks
期刊最新文献
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