NDLI: Spatial Distribution and Pollution Assessment of Potentially Toxic Elements (PTEs) in Surface Sediments at the Drinking Water Source Channel of Taipu River in China

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Spatial Distribution and Pollution Assessment of Potentially Toxic Elements (PTEs) in Surface Sediments at the Drinking Water Source Channel of Taipu River in China

Content Provider	MDPI
Author	Wang, Yue Li, Feipeng Mao, Lingchen Chen, Mengmeng Tao, Hong Li, Jianhua
Copyright Year	2021
Description	With the integration strategy of the Yangtze River Delta rising to the height of the national strategy, it is crucial to ascertain pollution, ecological risks, and possible sources of potentially toxic elements (PTEs) in the sediments of the drinking water source channel Taipu River across the core demonstration zone. In this study, distribution, risk assessment, and source of 12 PTEs were investigated in sediment samples from the Taipu River. The concentrations of Mo, Cu, Cd, Ni, and Zn in the sediments of the Taipu River were generally 1.01–5.84 times higher than the background value of the soil from Jiangsu Province. The spatial distribution of PTEs presented differently upstream, middle, and downstream of the river. The values of $Igeo$ and $EF$ showed moderate pollution at individual points, mainly due to Cd, Cu, and Mo. Except for Cd, the average potential ecological risk of other elements was low. Analysis of contamination source indicated that Cr, Ni, Tl, V, As, and Co were from natural sources while Zn, Mo, Cd, Pb, and Sb were associated with industrial activities. Copper was possibly derived from historic aquaculture activities along the Taipu River. Although the concentration of PTEs is generally low, particular attention should be given to Cd, Mo, and Cu as pollution sources. The results provide guidance for controlling PTEs pollution and protecting drinking water sources in the Taipu River.
Starting Page	1202
e-ISSN	2075163X
DOI	10.3390/min11111202
Journal	Minerals
Issue Number	11
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-10-28
Access Restriction	Open
Subject Keyword	Minerals Water Science and Technology Potentially Toxic Elements Pollution Assessment Source Identification Geoaccumulation Index Enrichment Factor
Content Type	Text
Resource Type	Article

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