摘要
针对重度污染矿石堆的重金属释放规律开展检验研究。以某市北部地区某个采选矿区为研究对象,根据其出露地层、矿物种类、地形地貌等地理情况,采用棋盘式采样法设置采样点。通过设计的静态、动态淋溶实验,结合重金属淋溶释放机理,分析矿石堆中含量最高的四种重金属污染元素的释放规律。实验结果显示出,元素锌在静态淋溶实验中呈现前后期释放缓慢、中期释放快速,而在动态淋溶实验中则是前期释放缓慢、后期释放快速的规律。其他元素的释放规律均表现为前期释放较快、后期释放较慢。
This study carried out an inspection research on the release law of heavy metals from heavily polluted ore piles.Taking a certain mining and dressing area in the northern part of a city as the research object,the checkerboard sampling method is used to set sampling points according to the geographical conditions such as exposed strata,mineral types,topography and landforms.Through the designed static and dynamic leaching experiments,the release law of the four heavy metal pollution elements with the highest content in the ore pile is analyzed by combining with the release mechanism of heavy metal leaching.The experimental results showed that elemental zinc in the static leaching experiment showed slow release in the early and late phases and rapid release in the mid-term.In the dynamic leaching experiment,it was the law of slow release in the early phase and rapid release in the late phase.The release laws of other elements are all expressed as a faster release in the early stage and a slower release in the later stage.
作者
陈雯
张鸟飞
郑程
周峰
Chen Wen;Zhang Niaofei;Zheng Cheng;Zhou Feng(Shengsi Customs, Zhoushan 202450, China)
出处
《环境科学与管理》
CAS
2022年第1期44-48,共5页
Environmental Science and Management
