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Ecosystem Health and Sustainability Volume 6 ,Issue 1 ,2020-12-16
Impact of coal power generation on the characteristics and risk of heavy metal pollution in nearby soil
Research Article
Yiqun Zhang 1 , 2 Di Wu 3 Chenxing Wang 1 Xiao Fu 1 Gang Wu 1 , 2
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DOI:10.1080/20964129.2020.1787092
Received 2020-05-10, accepted for publication 2020-06-15, Published 2020-12-16
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摘要

Introduction The development of coal power base (CPB) poses a severe challenge to the soil. We conducted a soil survey in Xilinhot CPB, to evaluate and analyze the pollution characteristics, potential ecological risk, and sources of six heavy metals (As, Pb, Cu, Zn, Mn, and Cd) in soil by using Geo-accumulation index, revised Nemerow integrated pollution index (RNIPI), and potential ecological risk index (RI).Outcomes/other: The results showed that the pollution of Cd and As were dramatic. The mean of Cd and As were 1.11 mg·kg-1 and 25.13 mg·kg-1, which were 42.55 times and 4.41 times higher than its local background value. The Geo-accumulation indices showed the contamination degree of Cd was strong and As was moderate, and the status of Cu, Pb, Zn, and Mn were uncontaminated. Xilinhot was strongly contaminated based on its RNIPI and RI values.Discussion: The accumulations of As, Pb, and Cd were mainly associated with anthropogenic sources, including coal mining and combustion, and industrial exhaust emissions. Cu, Mn, and Zn were primarily originated from the parent material (natural sources).Conclusion: This study provides scientific basis and effective countermeasures for the prevention and control of soil pollution in surrounding areas of CPB.

关键词

Xilinhot;coal power base;sustainability;potential ecological risk;heavy metal contamination;Soil pollution

授权许可

© 2020 The Author(s). Published by Taylor & Francis Group and Science Press on behalf of the Ecological Society of China.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

图表

The location of the seven national large-scale CPBs.

The location and distribution of Xilin Gol CPB.

The locations of sampling sites in Xilinhot CPB.

RNIPI values of all the 34 samples.

RI values of all the 34 samples.

Cluster analysis of six heavy metals and pH.

The release mechanism of heavy metals in the production process of CPB.

The location of a power plant, residential area, and tourist park in the study area.

通讯作者

1. Yiqun Zhang.State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, Chin;University of Chinese Academy of Sciences, Beijing, Chin.zhangyiqun999@126.com
2. Xiao Fu.State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, Chin.zhangyiqun999@126.com

推荐引用方式

Yiqun Zhang,Di Wu,Chenxing Wang,Xiao Fu,Gang Wu. Impact of coal power generation on the characteristics and risk of heavy metal pollution in nearby soil. Ecosystem Health and Sustainability ,Vol.6, Issue 1(2020)

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