Distribution characteristics, source analysis and risk assessment of polycyclic aromatic hydrocarbons in sediments of Kuye River: a river in a typical energy and chemical industry zone

被引：2
作者：
Liu, Jinhui [1 ,2 ]
Zhang, Aining [1 ,2 ]
Yang, Zhuangzhuang [1 ,2 ]
Wei, Chunxiao [1 ,2 ]
Yang, Lu [1 ,2 ]
Liu, Yongjun [1 ,2 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Yan Ta Rd 13, Xian 710055, Peoples R China
[2] Xian Univ Architecture & Technol, Minist Educ, Key Lab Northwest Water Resource Environm & Ecol, Xian 710055, Peoples R China
来源：
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH | 2024年 / 46卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Polycyclic aromatic hydrocarbons (PAHs); Sediment; Distribution characteristics; Source analysis; Risk assessment; Energy and chemical area; SURFACE SEDIMENTS; SOURCE APPORTIONMENT; SOURCE IDENTIFICATION; RECEPTOR MODELS; POTENTIAL RISK; PAH SOURCE; POLLUTION; WATER; PMF; ESTUARY;
D O I：
10.1007/s10653-023-01802-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study systematically analyzed the distribution characteristics, sources, and ecological risk of polycyclic aromatic hydrocarbons (PAHs) in Kuye River sediments, located in an energy and chemical industry base in northern Shaanxi, China. The results that revealed the concentrations of 16 PAHs in the sediment ranged from 1090.04 to 32,175.68 ng center dot g-1 dw, with the four-ring PAHs accounting for the highest proportion. Positive matrix factorization analysis (PMF) revealed the main sources of PAHs as incomplete fossil fuel combustion, biomass combustion, and traffic emissions. The total toxic equivalent concentration of BaP, risk quotient, and lifetime carcinogenic risk of PAHs suggested moderate to high contamination of PAHs in the area. The higher incremental lifetime carcinogenic risk (ILCR) indicated that PAH ingestion was the primary route of impact on public health, with children potentially being more susceptible to PAH exposure. This study can provide valuable theoretical support for implementing pollution prevention measures and ecological restoration strategies for rivers in energy and chemical industry areas.
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页数：15
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