NDLI: A study of pollution of heavy metals in surface water sediments — A case study of the gold mining area in Xiaoqinling, Puyugou

Content Provider	IEEE Xplore Digital Library
Author	Xue Xicheng Wang Pan He Yong Zhang Rui Chen Lingling Bi Jisong
Copyright Year	2011
Description	Author affiliation: Shaanxi coalfield geological supervision office, Xi'an, China (He Yong) \|\| School of Geology and Environment, Xi'an University of Science and Technology, Shaanxi, China (Xue Xicheng; Wang Pan; Zhang Rui; Chen Lingling; Bi Jisong)
Abstract	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.
Starting Page	3816
Ending Page	3819
File Size	303088
Page Count	4
File Format	PDF
ISBN	9781457702891
e-ISBN	9781457702907
DOI	10.1109/ICETCE.2011.5776242
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface contamination Puyugou Surface water Water pollution Gold mine Sediments Copper Zinc Heavy metals Evaluation of pollution
Content Type	Text
Resource Type	Article

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