酸性矿山废水对碳酸盐岩侵蚀的影响

生态学杂志

酸性矿山废水对碳酸盐岩侵蚀的影响

夏雨¹,吴攀^1,2,3*,张瑞雪^1,2,朱健^1,2,王悦竹¹,宋传孝¹,李玲⁴

（¹贵州大学资源与环境工程学院，贵阳 550025；²贵州省普通高等学校矿山环境污染过程与控制特色重点实验室，贵阳 550025；³贵州大学国土资源部喀斯特环境与地质灾害重点实验室，贵阳 550025；⁴中国科学院地球化学研究所，贵阳 550081）

出版日期:2018-06-10 发布日期:2018-06-10

The effects of acid mine drainage on the erosion of carbonatite in carbonate rocks.

XIA Yu¹, WU Pan^1,2,3*, ZHANG Rui-xue^1,2, ZHU Jian^1,2, WANG Yue-zhu¹, SONG Chuan-xiao¹， LI Ling⁴

(¹College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; ²Key Laboratory of Process and Control of Mining Environmental Pollution, Colleges and Universities in Guizhou Province, Guiyang 550025, China; ³Key Laboratory of Karst Environment and Geohazard, Ministry of Land and Resources, Guizhou University, Guiyang 550025, China; ⁴Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China).

Online:2018-06-10 Published:2018-06-10

摘要/Abstract

摘要：

定量研究了酸性矿山废水对7种不同时代碳酸盐岩的侵蚀速率，以筛选出合适的被动处理填料。结果表明：酸性矿山废水对碳酸盐岩的60 d平均侵蚀速率为4.88×10^-4 g·cm^-2·d^-1，是普通岩溶水侵蚀速率的10倍以上，其中摆佐组灰质中晶白云岩的侵蚀速率高于其他灰岩；采用扫描电镜和能谱仪对岩石表面物质的微观形貌和成分分析，结果表明，不同时代的岩石表面所生成的铁氧化物均为纤铁矿；岩石表面的硫酸钙结晶速率是控制水岩反应速率的关键性因素之一，而岩石中溶出的Mg²⁺是影响硫酸钙结晶速率的重要因素。

关键词: 耳石, 效果评估, 增殖放流, 鲤, 微化学

Abstract: We quantified the effects of acid mine drainage on the erosion rate of seven carbonate rocks with different ages, to screen for appropriate passive packing. The results showed that the mean erosion rate of carbonate rocks in response to acid mine drainage was 4.88×10^-4 g·cm^-2·d^-1 in 60 days, which is at least ten times faster than karst water erosion. The calcite Mesocrystalline dolomite in Baizuo Formation showed higher erosion rate than other limestones. The microstructure and the composition of rock surface material were measured by Scanning Electron Microscope and Energy Dispersive Spectrometer. It was found that the iron oxides on the surface of rocks from different ages were lepidocrocite. The crystallization rate of calcium sulfate on rock surface was one of the key factors controlling the erosion rate of carbonatite in carbonate rocks. Additionally, the dissolution of magnesium carbonate was an important factor driving the crystallization rate of calcium sulfate.

Key words: microchemistry, effect evaluation, common carp (Cyprinus carpio), otolith, fish enhancement and releasing

夏雨,吴攀,张瑞雪,朱健,王悦竹,宋传孝,李玲. 酸性矿山废水对碳酸盐岩侵蚀的影响[J]. 生态学杂志.

XIA Yu, WU Pan, ZHANG Rui-xue, ZHU Jian, WANG Yue-zhu, SONG Chuan-xiao， LI Ling. The effects of acid mine drainage on the erosion of carbonatite in carbonate rocks.[J]. cje.

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