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北京污水厂进、出水中内分泌干扰物的分布 被引量:26

Distribution of Endocrine Disrupting Compounds in Wastewater Treatment Plants of Beijing
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摘要 以三种酚类化合物(4-OP、4-n-NP、BPA)、五种雌激素(E1、E2、E3、17α-E2、EE2)为目标物,对其在北京市三个污水处理厂进、出水中的浓度及工艺流程中的分布、迁移进行了研究。结果表明,污水处理厂出水中浓度最高的物质是BPA、EE2,分别为(56~140)、(78~115)ng/L。BPA和天然雌激素(17α-E2除外)主要被生物降解去除,而对EE2的去除主要发生在初级处理过程,去除率约为63%。两种烷基酚在污水处理厂并不能被有效去除。与欧美国家、日本等相比,北京市污水处理厂进、出水中的内分泌干扰物浓度偏高,尤其是出水中的雌激素浓度较高,具有一定的环境风险。 The eight kinds of selected endocrine disrupting compounds (EDCs) composed of three phenolic compounds and five estrogens were investigated in three wastewater treatment plants (WWTPs) of Beijing. These EDCs include 4-octylphenol (4-OP),4-n-nonylphenol (4-n-NP),bisphenol A (BPA),estrone (E1),estradiol (E2),estriol (E3),17α-estradiol (17α-E2) and 17α-ethinylestradiol (EE2). BPA and EE2 are on the top list of selected EDCs in the effluent with concentrations of 56 to 140 ng/L and 78 to 115 ng/L,respectively. ...
出处 《中国给水排水》 CAS CSCD 北大核心 2009年第23期75-78,共4页 China Water & Wastewater
基金 国家自然科学基金重大国际合作项目(20721140019)
关键词 城市污水 内分泌干扰物 分布 雌激素 municipal sewage endocrine disrupting compounds (EDCs) distribution estrogen
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