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废旧塑料处置地沉积物中邻苯二甲酸酯污染特征及其生态风险

王昱文 曾甯 柴淼 唐阵武

王昱文, 曾甯, 柴淼, 唐阵武. 废旧塑料处置地沉积物中邻苯二甲酸酯污染特征及其生态风险[J]. 环境科学研究, 2016, 29(4): 558-565.
引用本文: 王昱文, 曾甯, 柴淼, 唐阵武. 废旧塑料处置地沉积物中邻苯二甲酸酯污染特征及其生态风险[J]. 环境科学研究, 2016, 29(4): 558-565.
WANG Yuwen, ZENG Ning, CHAI Miao, TANG Zhenwu. Contamination and Risk of Phthalate Esters in Sediments from a Plastic Waste Recycling Area[J]. Research of Environmental Sciences, 2016, 29(4): 558-565.
Citation: WANG Yuwen, ZENG Ning, CHAI Miao, TANG Zhenwu. Contamination and Risk of Phthalate Esters in Sediments from a Plastic Waste Recycling Area[J]. Research of Environmental Sciences, 2016, 29(4): 558-565.

废旧塑料处置地沉积物中邻苯二甲酸酯污染特征及其生态风险

基金项目: 国家环境保护公益性行业科研专项(201309023); 中央高校基本科研业务费项目(2015MS60)

Contamination and Risk of Phthalate Esters in Sediments from a Plastic Waste Recycling Area

  • 摘要: 为了解废旧塑料处置活动对区域水体的影响,采用气相质谱联用仪(GC-MS),对河北省某废旧塑料处置地沉积物中16种PAEs(phthalate esters,邻苯二甲酸酯)的污染特征和生态风险进行了研究. 结果表明:研究样地的w(∑16PAEs)为0.527~102 μg/g, 平均值为18.9 μg/g,其中,DEHP〔邻苯二甲酸(2-乙基己基)酯〕是PAEs最主要的污染单体,平均占w(∑PAEs)的66.6%. 对该处置地的污染物源分析表明,沉积物中PAEs主要来源于废旧塑料回收利用过程中的环境排放. 沉积物中w(DEHP)(14.2 μg/g)和w(DBP)(1.41 μg/g)(DBP为邻苯二甲酸二正丁酯)均超过各自环境风险限值(ERLs),w(DIBP)(DIBP为邻苯二甲酸二异丁酯)超过了美国华盛顿州颁布的沉积物质量警戒限值(0.610 μg/g). 研究显示,沉积物中DBP对鱼类的生态风险及DEHP对藻类和鱼类的生态风险水平不可接受,应引起足够重视.

     

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出版历程
  • 收稿日期:  2015-09-21
  • 修回日期:  2016-01-12
  • 刊出日期:  2016-04-25

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