历史遗留锰矿山老窑水来源及水体污染成因解析

巫政卿; 罗明明; 李宁; 魏世毅; 李大星; 皮景; 欧任文

doi:10.19509/j.cnki.dzkq.tb20230334

历史遗留锰矿山老窑水来源及水体污染成因解析

doi: 10.19509/j.cnki.dzkq.tb20230334

巫政卿^{1, 2,},
罗明明^2, ,,
李宁²,
魏世毅²,
李大星²,
皮景¹,
欧任文¹

1.
湖南省地质灾害调查监测所, 长沙 410004
2.
中国地质大学(武汉)环境学院, 武汉 430078

基金项目:

湖南省自然资源厅地质调查项目 2022002

湖南省科技厅重大科技攻关项目 2023ZJ1090

国家自然科学基金项目 42172276

详细信息

作者简介:
巫政卿, E-mail: 593086206@qq.com

通讯作者:
罗明明, E-mail: luomingming@cug.edu.cn

中图分类号: X523
计量
- 文章访问数: 176
- PDF下载量: 27
- 被引次数: 0
出版历程
- 收稿日期: 2023-06-12
- 录用日期: 2023-07-30
- 修回日期: 2023-07-29

Identification of the sources of old kiln water and the causes of water pollution in the historical manganese mine

WU Zhengqing^{1, 2
,},
LUO Mingming^{2
, ,},
LI Ning²,
WEI Shiyi²,
LI Daxing²,
PI Jing¹,
OU Renwen¹

1.
Hunan Institute of Geological Disaster Investigation and Monitoring, Changsha 410004, China
2.
School of Environmental Studies, China University of Geosciences(Wuhan), Wuhan 430078, China

More Information

Author Bio:
WU Zhengqing, E-mail: 593086206@qq.com

Corresponding author: LUO Mingming, E-mail: luomingming@cug.edu.cn

摘要

摘要:
历史遗留矿山的老窑水防治是矿山水环境治理中的难点。选取中国锰三角地区的典型锰矿区为研究对象，以查明老窑水的来源及水体污染成因。综合利用矿山水文地质调查、气象水文分析、水化学与同位素溯源等技术方法对老窑水来源和特征污染物进行了识别，并分析了矿区的水体污染成因模式。结果表明：研究区老窑水动态对降雨响应灵敏，老窑水主要来源于巷道和优势径流通道汇集的大气降水和含水层中的地下水；矿区矿井水、巷道水中的特征污染物为硫酸锰，矿山排水的特征污染物为硫酸钠，硫酸锰主要由硫铁矿氧化和菱锰矿溶解而形成；矿山固体废弃物淋滤入渗和老窑水的混合是区内地下水的主要污染方式，而地表水主要受矿山固体废弃物淋滤汇流、巷道口排水和矿山排水的污染。研究成果为矿山水环境治理提供了水量形成和水质演化的科学依据。
- 锰矿山 /
- 老窑水 /
- 来源识别 /
- 污染成因 /
- 水体污染
Abstract: <p>The prevention and control of old kiln water in historical mines is a challenging problem in mine water management. In this paper, the typical manganese mining area in the manganese triangle area of China is selected as a case study.</p></sec><sec><title>Objective
In order to identify the sources of old kiln water and the causes of water pollution,
Methods
the technical approaches such as mine hydrogeological survey, hydrological analysis, hydrochemistry and isotope tracing are used to identify the source and characteristic pollution of old kiln water, and the causes of water pollution in the mining area is analyzed.
Results
Results show that, the hydrological response of old kiln water in the study is sensitive to rainfall events. The old kiln water mainly comes from the rainfall collected by the roadway, dominant runoff channel and groundwater in the aquifer. The characteristic pollutants of mine water and roadway water are manganese and sulfate, and the characteristic pollutants of mine drainage are sodium and sulfate. Manganese and sulfate are mainly formed by the oxidation of pyrite and the dissolution of rhodochrosite. The leaching and infiltration of mine solid waste and the mixing of old kiln water are main causes of groundwater pollution, while the surface water is mainly affected by pollution of leaching and confluence from mine solid waste, roadway drainage and mine drainage.
Conclusion
The research results of this paper provide a scientific basis for water quantity formation and water quality evolution for mine water environment management.
- manganese mine /
- old kiln water /
- source identification /
- pollution cause /
- water pollutioin
注释:

所有作者声明不存在利益冲突。

HTML全文

图 1 研究区水文地质略图及采样点分布

Q.第四系; ∈_3-4ls.寒武系娄山关组; ∈₃g.寒武系高台组; ∈₂q.寒武系清虚洞组; ∈_1-2s.寒武系石牌组; ∈₁n.寒武系牛蹄塘组; Z₂dy.震旦系灯影组; Z₁d.震旦系陡山沱组; Nh₂n南华系南沱组; Nh₁d.南华系大塘坡组; Nh₁g.南华系古城组; Qbw.青白口系五强溪组; Qbm.青白口系马底驿组

Figure 1. Schematic hydrogeological map and sampling points in study area

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图 2 研究区水文地质剖面图(地层代号详见正文)

Figure 2. Hydrogeological cross-section of the study area

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图 3 研究区水体氘氧同位素分布图

Figure 3. Distribution plots of δD vs. δ¹⁸O of water in the study area

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图 4 2022年研究区矿井水位和排水量与降雨量响应关系图

Figure 4. Plots of rainfall with water level in mine pit and mine drainage of the study area at 2022

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图 5 研究区各水样典型水化学指标质量浓度箱线图

Figure 5. Box line graph of chemical index concentration of water samples in the study area

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图 6 矿区各水样水化学Piper三线图

Figure 6. Piper diagram of water chemistry of water samples in the mining area

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图 7 矿区水体离子比值趋势图

Figure 7. Trends of ion ratio of water samples in the mining area

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图 8 矿区地下水污染模式概念图(地层代号见正文)

a.矿山固体废弃物淋滤入渗污染模式示意图；b.断裂带导水入渗淋滤污染模式示意图

Figure 8. Conceptual diagram of groundwater pollution pattern in the mining area

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图 9 矿区地表水污染模式概念图

Figure 9. Conceptual diagram of surface water pollution pattern in the mining area

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