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厦门近海域邻苯二甲酸酯分布和生态风险研究

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邻苯二甲酸酯(PAEs)在工业生产中被广泛用作增塑剂,目前,在全球环境基质中该类污染物已被广泛检出.该研究对厦门近海域海水和沉积物中的PAEs类有机污染物的分布特征和生态风险污染进行评价,利用气相色谱质谱联用法测定了样品中的PAEs的浓度.结果表明,厦门近岸海域中水相和沉积相共检出11中PAEs类化合物,水中总PAEs浓度范围为45.9~251.1 ng/L,平均浓度为109.2 ng/L.沉积物中浓度为范围为8.12~50.29 μg/kg,平均浓度为27.7 μg/kg.运用风险熵值法对近海域水中的PAEs进行风险评估,其结果表明邻苯二甲酸二丁酯具有中等生态风险等级,需要针对该类物质开展区域性污染溯源研究.
Method Research of Determination of Phthalate in Seawater and Sediment by Gas Chromatography-Mass Spectrometry
Phthalic acid esters(PAEs)are widely used as plasticizers in industrial production.At present,this type of pollut-ant has been widely detected in the global environment.The distribution characteristics and ecological risk pollution of phthal-ate organic pollutants in seawater and sediments near Xiamen were evaluated,and gas chromatography-mass spectrometry was used to determine the concentration of PAEs in the samples.The results showed that a total of 11 PAEs compounds were mainly detected in the aqueous and sedimentary environmental media,and the total PAEs mass concentration in water ranged from 45.9~251.1 ng/L,with an average concentration of 109.2 ng/L.The concentration in sediment ranges from 8.12~50.29 μg/kg,with an average concentration of 27.7 μg/kg.The risk entropy method was used to assess the risk of PAEs in the near sea area,and the results showed that DBP has a moderate ecological risk level.It is necessary to further trace the pollution emissions of PAEs in these areas.

PAEsGC-MSseawatermarine sedimentecological risk assessment

刘丽华

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福建省厦门环境监测中心站,福建 厦门 361022

邻苯二甲酸酯类 气相色谱-质谱联用法 海水 沉积物 生态风险评价

福建省环保科技计划项目福建省厦门环境监测中心站环保科技项目

2023R0022022S01

2024

环境科学与技术
湖北省环境科学研究院

环境科学与技术

CSTPCD北大核心
影响因子:0.943
ISSN:1003-6504
年,卷(期):2024.47(5)