三峡库区御临河邻苯二甲酸酯类的空间分布特征及关键环境影响因子

王瑞霖; 冉艳; 黄维; 何强; 李宏

doi:10.11835/j.issn.2096-6717.2021.186

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三峡库区御临河邻苯二甲酸酯类的空间分布特征及关键环境影响因子

环境工程 | 更新时间：2022-11-07

- 三峡库区御临河邻苯二甲酸酯类的空间分布特征及关键环境影响因子
- Spatial distribution Characteristics of PAEs and key environmental factors in Yulin River in the Three Gorges Reservoir
- 土木与环境工程学报 2022年44卷第6期页码：193-200
- 作者机构：
  
  1.北京首创生态环保集团股份有限公司，北京 100044
  2.首创爱华（天津）市政环境工程有限公司天津 300060
  3.重庆大学三峡库区生态环境教育部重点实验室，重庆 400045
- 作者简介：
  
  王瑞霖（1988- ），男，主要从事流域综合治理及污水处理技术研究，E-mail：wz912076@qq.com。
  李宏（通信作者），男，副教授，博士生导师，E-mail：hongli@cqu.edu.cn。
- 基金信息：
  
  国家自然科学基金(41877472)
- DOI：10.11835/j.issn.2096-6717.2021.186
  中图分类号： X522
- 收稿：2021-08-06，
  
  纸质出版：2022-12-30
- 稿件说明：
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王瑞霖,冉艳,黄维等.三峡库区御临河邻苯二甲酸酯类的空间分布特征及关键环境影响因子[J].土木与环境工程学报,2022,44(06):193-200.

WANG Ruilin,RAN Yan,HUANG Wei,et al.Spatial distribution Characteristics of PAEs and key environmental factors in Yulin River in the Three Gorges Reservoir[J].Journal of Civil and Environmental Engineering,2022,44(06):193-200.
王瑞霖,冉艳,黄维等.三峡库区御临河邻苯二甲酸酯类的空间分布特征及关键环境影响因子[J].土木与环境工程学报,2022,44(06):193-200. DOI： 10.11835/j.issn.2096-6717.2021.186.

WANG Ruilin,RAN Yan,HUANG Wei,et al.Spatial distribution Characteristics of PAEs and key environmental factors in Yulin River in the Three Gorges Reservoir[J].Journal of Civil and Environmental Engineering,2022,44(06):193-200. DOI： 10.11835/j.issn.2096-6717.2021.186.

摘要

为了解三峡库区内支流水体中邻苯二甲酸酯（PAEs）的来源、空间分布规律及影响其分布的主要环境因子，选取三峡库区库尾一级支流御临河上的5个断面：河口区、回水区（排花、舒家、梅溪）和不受三峡库区调度影响的上游来水区（东河）对PAEs进行了原位调研。基于皮尔逊相关性分析和主成分分析法确定御临河水体中6种PAEs的来源以及主要PAEs与环境因子的关系。结果表明：所监测断面中6种PAEs（DEP、DMP、DBP、BBP、DEHP和DnOP，US EPA）的总浓度为0.42~0.77 μg/L，5个监测断面PAEs平均总浓度依次为：河口（0.771 μg/L）>排花（0.638 μg/L）>梅溪（0.613 μg/L）>东河（0.566 μg/L）>舒家（0.421 μg/L）。通过对6种优先控制PAEs的解析发现，御临河水体中主要污染物为DBP、DMP和DEHP。皮尔逊相关性分析和主成分分析结果表明，DBP和DEHP显著正相关，可能与工农业生产活动及其过程中产生的“三废”有关；DMP和DEP具有中等强度的相关性，可能与当地居民的人为活动有关。

Abstract

In order to understand the source and spatial distribution regularities of PAEs and the main environmental factors affecting their distribution in the tributary of the Three Gorges Reservoir

Five sections in Yulin River

the first level tributa at the end of the Three Gorges Reservoir

were selected: the Estuary

the backwater area (Paihua

Shujia

Meixi) and the upsteam inflow area (Donghe)

which was not affected by the operation of the Three Gorges Reservoir

to conduct an in-situ investigation on PAEs. Based on Pearson correlation analysis and principal component analysis

the sources of six PAEs in Yulin River and the relationship between the main PAEs and environmental factors were identified. The results of in-situ investigations of 6 kinds of PAEs (DEP

DMP

DBP

BBP

DEHP and DnOP

according to US EPA) in five monitoring section of the Yulin River revealed that the total concentration of PAEs was in the range of 0.42~0.77 μg/L. The average total concentrations of PAEs in the five monitoring sections were: Estuary (0.771 μg/L) > Paihua (0.638 μg/L) > Meixi (0.613 μg/L) > Donghe (0.566 μg/L) > Shujia (0.421 μg/L)

with DMP

DBP and DEHP being the primary monomers. Based on the correlation analysis and principal component analysis

it was found that there was a significant positive correlation between DBP and DEHP

which may be related to industrial and agricultural production activities and the “three wastes” generated in the process. The moderate correlation between DMP and DEP indicated that these pollutants may be attributed from the anthropogenic activities of local residents.

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references

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