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首页> 外文会议>International Conference on Electric Technology and Civil Engineering >A study of pollution of heavy metals in surface water sediments — A case study of the gold mining area in Xiaoqinling, Puyugou
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A study of pollution of heavy metals in surface water sediments — A case study of the gold mining area in Xiaoqinling, Puyugou

机译：地表水沉积物重金属污染研究 - 以濮院萧桥金矿区为例

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摘要

In this paper, the surface water and sediments of gold mining area in Xiaoqinling, Puyugou were taken as the research objects to investigate the enrichment of heavy metals. Contents of various heavy metals in the surface water and sediments were tested systematically. The osculating method and index's method of pollution of heavy metal were used together to evaluate and analyze the test results. The research results can provide technical reference for the environmental restoration and governance. The results show that there is a small mount of Cu and Zn tested in the surface water and sediments of upstream which is not affected by mining activities. It indicates that the surface water and sediments of upstream have not been polluted. While surface water and sediments of midstream and downstream are relatively polluted by Cu, Zn, Pb, Cd and Cr whose contents are 1.3, 4.27, 4.75 and 5.44 times above the allowed figures respectively, which doesn't meet the water quality requirement of field irrigation. The PLI of the sediments of midstream and downstream have reached I and II grade and the sediments have been seriously polluted. Three conclusions can be drawn: (1) The downstream water is unfit for irrigation; influenced by the flow of surface water and leaching water of mining waste, heavy metals move and accumulate in the sediments, so the pollution of the sediments in downstream is relatively serious. And (3) the surface water and heavy metal sediments of the mining area have been polluted severely, and need urgent treatment.
机译：本文认为，濮院，濮院金矿区的地表水和沉积物被视为研究重金属富集的研究对象。系统水和沉积物中各种重金属的含量得到系统地测试。在一起使用过施加方法和指数的重金属污染方法，评估和分析测试结果。研究结果可以为环境恢复和治理提供技术参考。结果表明，在地表水和上游沉积物中测试的小铜和Zn沉积物不受采矿活动的影响。它表明上游的地表水和沉积物没有被污染。虽然Cu，Zn，Pb，Cd和Cr的地表水和下游的沉积物分别由Cu，Zn，Pb，Cd和Cr，其内容分别为1.3,4.27,4.75和5.44倍，其分别不符合现场的水质要求灌溉。中游和下游沉积物的PLI已达到I和II等级，沉积物受到严重污染。可以绘制三个结论：（1）下游水不适合灌溉;受采流量的流动和采矿废物的流动，重金属移动并积聚在沉积物中，因此下游沉积物的污染相对严重。 （3）采矿区的地表水和重金属沉积物严重污染，需要迫切治疗。

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