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Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Water Dissolved Phase, Suspended Particulate Matter and Sediment from Weihe River in Northwest China

Author

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  • Yuyun Chen

    (Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas (Ministry of Education), Chang’an University, Xi’an 710054, China
    School of Environmental Science and Engineering, Chang’an University, Xi’an 710054, China)

  • Rui Jia

    (School of Environmental Science and Engineering, Chang’an University, Xi’an 710054, China)

  • Shengke Yang

    (School of Environmental Science and Engineering, Chang’an University, Xi’an 710054, China)

Abstract

Weihe River is a typical river located in the arid and semi-arid regions of Northwest China. In this study, the distribution and sources of 16 polycyclic aromatic hydrocarbons (PAHs) in Weihe River were investigated. The concentrations of ∑PAHs ranged from 351 to 4427 ng/L with a mean value of 835.4 ng/L in water dissolved phase (WDP), from 3557 ng/L to 147,907 ng/L with a mean value of 20,780 ng /L in suspended particulate matter (SPM), and from 362 to 15,667 ng/g dry weight (dw) with a mean value of 2000 ng/g dw in sediment, respectively. The concentrations of PAHs in Weihe River were higher compared with other rivers in the world. In both WDP and sediment, the highest concentrations of ∑PAHs were observed in the middle reach, while the lowest concentrations of ∑PAHs were found in the lower reach. For SPM, however, the PAHs concentrations in the lower reach were highest and the PAHs concentrations in the upper reach were lowest. The ratios of anthracene/(anthracene + phenanthrene) and fluoranthene/ (fluoranthene + pyrene) reflected a pattern of both pyrolytic and petrogenic input of PAHs in Weihe River. The potential ecosystem risk assessment indicated that harmful biological impairments occur frequently in Weihe River.

Suggested Citation

  • Yuyun Chen & Rui Jia & Shengke Yang, 2015. "Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Water Dissolved Phase, Suspended Particulate Matter and Sediment from Weihe River in Northwest China," IJERPH, MDPI, vol. 12(11), pages 1-16, November.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:11:p:14148-14163:d:58388
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    Citations

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    Cited by:

    1. Di Wang & Jing Ma & Hao Li & Xingchang Zhang, 2018. "Concentration and Potential Ecological Risk of PAHs in Different Layers of Soil in the Petroleum-Contaminated Areas of the Loess Plateau, China," IJERPH, MDPI, vol. 15(8), pages 1-15, August.
    2. Xueli Wang & Xiaoyu Yuan & Shengke Yang & Yaqian Zhao, 2018. "Concentrations, Distributions, and Risk Assessment of HBCD in Sediment in the Weihe River Basin in Northwest China," IJERPH, MDPI, vol. 15(11), pages 1-11, October.
    3. Xueli Wang & Chenyang Li & Xiaoyu Yuan & Shengke Yang, 2020. "Contamination Level, Distribution Characteristics, and Ecotoxicity of Tetrabromobisphenol A in Water and Sediment from Weihe River Basin, China," IJERPH, MDPI, vol. 17(11), pages 1-13, May.

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