Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Multi-phase Media in Nanhu Lake

WANG Xiao-li; LI Yu; WU Yu-hua; CAO Zhou-li; YUAN Mao; LI Xu-qian

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Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Multi-phase Media in Nanhu Lake

更新时间：2024-11-07

- Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Multi-phase Media in Nanhu Lake
- Vol. 21, Issue 3, Pages: 118-122(2007)
- 作者机构：
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- DOI：
  CLC： X132
- Published：2007
- 稿件说明：
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WANG Xiao-li, LI Yu, WU Yu-hua, et al. Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Multi-phase Media in Nanhu Lake[J]. 2007, 21(3): 118-122.
DOI：

WANG Xiao-li, LI Yu, WU Yu-hua, et al. Distribution and Source of Polycyclic Aromatic Hydrocarbons (PAHs) in Multi-phase Media in Nanhu Lake[J]. 2007, 21(3): 118-122. DOI：

摘要

以南湖水体中的水、表层沉积物、生物膜和悬浮物为研究对象

对美国EPA规定的16种优控PAHs中13种PAHs的分布与富集特征进行了研究。结果表明

表层沉积物中检出12种PAHs

生物膜和水相中均检出11种PAHs

而悬浮物中只检出7种PAHs;生物膜和悬浮物富集PAHs的能力相近

比表层沉积物的富集能力大一个数量级;相关分析表明

生物膜和悬浮物富集PAHs的能力归因于其有机质（TOC）的含量高于表层沉积物中有机质的含量。根据菲/蒽比值和PAHs环数相对丰度对南湖表层沉积物中PAHs的来源进行了分析

发现南湖沉积物中的PAHs主要来自于化石燃料燃烧释放的污染。

Abstract

The distribution and source of polycyclic aromatic hydrocarbons(PAHs) in multi-phase media(water phase

surficial sediments

surface coatings and suspended particulates) in the Nanhu Lake were investigated.The results show that 12 kinds of PAHs among the 13 kinds of PAHs were measured in surficial sediments

11 kinds were investigated in water phase and surface coatings

and only 7 kinds were investigated in suspended particulates.The accumulation capacity of surface coatings was similar to that of suspended particulates

and was much better than that of surficial sediments.This was due to the differences in the content of total organic carbon(TOC) among the surface coatings

suspended particulates and surficial sediments and the TOC content of surface coatings and suspended particulates was more than that of surficial sediments.According to the Pen/Anth and aromatic rings distributions of PAHs in the surficial sediments

the dominated source of PAHs in the Nanhu Lake was the combustion of fossil fuel.

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