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矿冶:2023,32(6):-
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我国尾矿库事故次生河流污染的特征分析
边归国
(福建省 生态环境厅)
Analysis of the characteristics of river pollution caused by tailings pond accidents in China
bian guiguo
(Fujian Provincial Department of Ecology and Environmen)
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本文已被:浏览 428次   下载 327
投稿时间:2023-04-26    修订日期:2023-08-11
中文摘要: 2000年以来,我国发生了多起尾矿库事故次生河流污染事件,造成了严重的环境污染。为了有效应对尾矿库事故对河流的污染,保障供水安全,通过对国内40起事故的综合分析,主要成因为违规建设运行、暴雨和地震等自然灾害、排洪和溢流等管道破裂,并具有污染物排放量大、污染严重、污染因子多、应急处置难等特征。研究表明,构筑多级拦截坝和合理利用各种环境应急空间是次生河流污染事件最有效的应急处置措施。对于拦截的污水,应根据污染物的种类和性质分别采取混凝沉淀、吸附、氧化还原等方法减低污染物的浓度和毒性,最终恢复河流正常状态。
中文关键词: 尾矿库事故  次生污染  河流  特征
Abstract:Since 2000, multiple tailings pond accidents and secondary river pollution incidents have caused serious environmental pollution. In order to effectively pollute rivers caused by tailings pond accidents and ensure water supply safety, through comprehensive analysis of 40 domestic accidents, it is mainly due to illegal construction and operation, natural disasters such as rainstorm and earthquake, pipeline rupture such as flood discharge and overflow, and has the characteristics of large pollutant discharge, serious pollution, many pollution factors, and difficult emergency disposal. Research has shown that building multi-level interception dams and making reasonable use of various environmental emergency spaces are the most effective emergency response measures for secondary river pollution incidents. For intercepted wastewater, methods such as coagulation sedimentation, adsorption, and redox should be adopted based on the types and properties of pollutants to reduce the concentration and toxicity of pollutants, and ultimately restore the normal state of the river.
文章编号:20230426001     中图分类号:    文献标志码:
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引用文本:
边归国.我国尾矿库事故次生河流污染的特征分析[J].矿冶,2023,32(6):.

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