尾矿库淋滤液中氟垂向迁移的土柱淋滤试验*

南京大学学报(自然科学版) ›› 2011, Vol. 47 ›› Issue (6): 744–750.

尾矿库淋滤液中氟垂向迁移的土柱淋滤试验*

胡鹏1,2，朱国荣1**，王倩3，张世杰3，李林子4，江思氓5

出版日期:2015-05-13 发布日期:2015-05-13
作者简介: (1.南京大学地球科学与工程学院水科学系，南京，210093;2.中核集团中国核工业地质局，北京，100013,
3.中国冶金地质总局山东局，济南，250144;.4.南京大学环境科学学院，南京，210093;5.同济大学水利工程系，上海，200092)
基金资助:
国家自然科学基金(41072175)

Column leaching tests for modeling vertical migration
of fluorine contamination in tailings pond

Hu Pen; 1，Zhu Guo-Rong 1 ,Wang Qian2，Zhang Shi一Jie2,Li Lin Zi3，Jiunh Si-Mlin4

Online:2015-05-13 Published:2015-05-13
About author: (1 .Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210093，China;
2. Bureau of Ucology, CNNC，Beijing，100013，China; 3. Shandong Bureau of China Metallurgical Geology Bureau，Jinan, 250100，China;4. School of the Environment, Nanjing University,
Nanjing, 210093，China; 5. Department of Hyhraulic Engineering,Tongji University, Shanghai，200092，China)

摘要/Abstract

摘要： 淋滤液引起地下水系统污染问题口益突出.木文针对承钢双大尾矿库淋滤液引起地下水氟污染问题展开研究，通过现场勘探、取样，以及尾矿砂矿物成分和粘粒含量分析，在此基础上进行室内上柱
淋滤试验以模拟氟在尾矿砂中的迁移过程，研究其迁移行为特征和影响因素.研究结果表明，由于尾矿砂矿物成分中铁绿泥石和正长石等粘上矿物居多，是氟的良好吸附剂，因此该过程主要受解吸一吸附作
用控制.具体表现为在上部尾矿砂中解吸作用占优和下部尾矿砂中吸附作用占优，致使氟含量随深度增加有增大的趋势，这与钻孔岩芯段中氟含量随深度变化曲线相符，也与尾矿砂粘粒含量随深度增加的特
点相一致，说明氟迁移过程的主要影响因素是尾矿砂的矿物成分和粘粒含量.了解这一过程为后期地下水氟污染治理提供参考

Abstract: The pollution problem of groundwater caused by taillings lcachate is increasingly outstanding.The study of this paper is focused on an issue of fluorine contamination of groundwater caused by tailings lcachate, in Shangda
taillings pond，Chengde iron and steel group. Based upon site exploration, sampling and analysis of mineral composition and clay content，laboratory column leaching tests have been done to model the process of vertical
migration of F, in order to reveal its characteristics and influencing factors.The results show that the process is mainly controlled by the desorptiorradsorption equilibrium, due to the high content of clay minerals in tailings sand，
like chlorite and orthoclase，which arc good adsorbents, It is desorption that dominates in the upper tailings sand and adsorption in the lower, which causes the fluorine content of tailings sand increased with the depth.The results
agree with the vertical distribution curve of Fluorine in tailings sand of borcholes, as well as the behavior that the clay content increased by the depth, It concludes that the main influencing factors of the desorptiorradsorption
equilibrium arc the mineral composition and clay content of tailings sand. It can provide reference for the fluoride pollution control in groundwater to know this process.

胡鹏1,2，朱国荣1**，王倩3，张世杰3，李林子4，江思氓5. 尾矿库淋滤液中氟垂向迁移的土柱淋滤试验*[J]. 南京大学学报(自然科学版), 2011, 47(6): 744–750.

Hu Pen; 1，Zhu Guo-Rong 1 ,Wang Qian2，Zhang Shi一Jie2,Li Lin Zi3，Jiunh Si-Mlin4. Column leaching tests for modeling vertical migration
of fluorine contamination in tailings pond
[J]. Journal of Nanjing University(Natural Sciences), 2011, 47(6): 744–750.

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