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科技导报  2015 

南方离子型稀土矿开采对地下水的影响及其监控

DOI: 10.3981/j.issn.1000-7857.2015.18.003, PP. 23-27

Keywords: 离子型稀土,地下水污染,氨氮,无线远程监测

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Abstract:

南方离子型稀土矿是中国最重要的战略性资源,广泛分布于江西、广东和广西等南方省区,常呈离子状态吸附于黏土矿物中,具有中重稀土元素含量高、开采浸取工艺简单、成本低廉等特征。南方稀土矿开采过程对地下水产生重要影响,导致矿区周边地下水重金属、氨氮及硫酸根污染等环境问题愈发严峻。为此,借助自动化监测设备,在广东开展了地下水动态监测实验,实现了无线远程监测水中pH值、氨氮等关键指标的变化,并在此基础上提出了南方离子型稀土矿“绿色矿山”环境监控系统的概念,通过整合原地浸矿工艺、地下水无线远程监测系统及污染防控系统,依靠中央控制系统和自动化控制设备,控制南方离子型稀土矿开发对地下水的影响,为实现南方离子型稀土矿的绿色开发提供技术支持。

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