Occurrence and source apportionment of pharmaceuticals and personal care products in the Beiyun River of Beijing, China
Occurrence and source apportionment of pharmaceuticals and personal care products in the Beiyun River of Beijing, China
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北京北云河药品及个人护理品的赋存及来源解析
DOI：
10.1016/j.chemosphere.2014.08.056
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发表时间：
2015-01-01
期刊：
影响因子：
8.8
通讯作者：
Yu, Gang
中科院分区：
文献类型：
--
作者：
Dai, Guohua;Wang, Bin;Yu, Gang
本研究首次调查了世界上人口最密集的城市之一北京地表水中15种药物和个人护理产品（PPCPs）的存在和来源。大多数PPCPs的检出率在50- 100%之间。所选PPCPs的中位浓度范围从未检测到4200 ng L-1（咖啡因）。一般来说，早春观察到较高的PPCP水平，这表明低流量条件和冷水温度可能会增强其持续性。源解析结果表明，新排放的未经处理的污水（67%）对北运河PPCP的污染负荷贡献显著，为环境管理提供了重要信息。(C)2014爱思唯尔有限公司版权所有。
This work investigates, for the first time, the occurrence and sources of 15 pharmaceuticals and personal care products (PPCPs) in surface water of Beijing, one of most densely populated cities in the world, in three sampling events representing different seasonal flow conditions. The detection frequencies of most PPCPs were in the range of 50-100%. The median concentrations of the selected PPCPs ranged from not detected to 4200 ng L-1 (caffeine). Generally, higher PPCP levels were observed in early spring, indicating both low flow condition and cold-water temperature might enhance their persistence. Source apportionment showed freshly discharged untreated sewage (67%) significantly contributed to the PPCP burden in the Beiyun River, which provides important information for environmental management. (C) 2014 Elsevier Ltd. All rights reserved.