Distribution of polycyclic aromatic hydrocarbons in surface water from the upper reach of the Yellow River, Northwestern China

被引：0
作者：
Xia Zhao
Haoran Qiu
Yangli Zhao
Jimin Shen
Zhonglin Chen
Jixiang Chen
机构：
[1] Lanzhou University of Technology,College of Petrochemical Technology
[2] Harbin Institute of Technology,State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering
[3] Poten Environment Group Co.,undefined
[4] Ltd.,undefined
来源：
Environmental Science and Pollution Research | 2015年 / 22卷
关键词：
Yellow River; PAHs; Surface water; Sediment; SPMs;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) in water, suspended particulate matters (SPMs), and sediments in the Lanzhou reach of the Yellow River were investigated in this study. The total PAH concentrations ranged from 548 to 2598 ng/L in water, 1502 to 11,562 ng/g in SPMs, and 181 to 1583 ng/g in sediments. The compositions of PAHs showed that 2- to 3-ring PAHs were abundant in water, 2- to 4-ring PAHs were predominant in SPMs, and 2- to 5-ring PAHs were abundant in sediments. The spatial distribution of PAHs was site-specific and PAHs varied at different sampling locations. The diagnostic ratio analysis indicated that the PAHs mainly had a pyrolytic source. The ecological risk assessment showed that the ecosystem risk of PAHs was low in the Lanzhou reach of the Yellow River.
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页码：6950 / 6956
页数：6
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