淄博市污水处理厂污泥中邻苯二甲酸酯赋存特征及风险评价  

Occurrence Characteristics and Risk Assessment of Phthalate Esters(PAEs)in Sewage Sludge of Zibo City

作　　者：宋艳艳 王信梧 崔静 边志明 亓恒振 SONG Yanyan;WANG Xinwu;CUI Jing;BIAN Zhiming;QI Hengzhen(Zibo Eco-Environment Monitoring Centre of Shandong,Zibo 255040,China)

机构地区：[1]山东省淄博生态环境监测中心,山东淄博255040

出　　处：《环境影响评价》2024年第5期84-89,共6页Environmental Impact Assessment

基　　金：淄博市城市污泥生态风险评估及污染控制方法研究(2019gy010142)。

摘　　要：本文运用气相色谱质谱法,分析研究了淄博市8家污水处理厂污泥中6种邻苯二甲酸酯(PAEs)的赋存状况,并进行了来源分析和风险评价。结果表明,淄博市污水处理厂污泥中PAEs总质量浓度(∑6PAEs)在4.21~25.02 mg∕kg,均值为9.69 mg∕kg,其中,邻苯二甲酸二(2-乙基己基)酯(DEHP)和邻苯二甲酸二辛基酯(DnOP)占比分别为71.4%和24.2%,是污泥中PAEs类有机污染物的主要组分。与其他地区相比,本研究污泥中PAEs浓度整体处于较低水平。来源分析显示,本研究污泥中PAEs可能主要来源于石油化工、建材等重工业行业,以及化妆品、个人护理产品等人类日常用品。风险研究结果显示,本研究中PAEs存在一定的生态风险,污泥在处置和再利用时应谨慎对待。In this paper,the occurrence of phthalate esters(PAEs)in sewage sludge from 8 sewage treatment plants of Zibo City were analyzed using GC-MS method,meanwhile source analysis and risk assessment were conducted.The results showed that the concentration of PAEs in the samples ranged from 4.21 to 25.02 mg∕kg,with an average value of 9.69 mg∕kg.Among them,di(2-ethylhexyl)phthalate(DEHP)and dioctyl phthalate(DnOP)were the main pollutants,accounting for 71.4%and 24.2%.Compared with other regions,the concentration of PAEs in sewage treatment plants of Zibo City was at relatively low level.The source analysis showed that PAEs in the sludge of this study may mainly came from heavy industries such as petrochemicals and building materials,as well as human daily necessities such as cosmetics and personal care products.The risk assessment results showed that PAEs had certain ecological risks and the sludge should be treated with caution in their disposal and reuse.

关 键 词：污泥 邻苯二甲酸酯 赋存特征 风险评价 

分 类 号：X820.4[环境科学与工程—环境工程]