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作 者:刘艺 于洋[4] 金彪 张霁云 陈文文[1,2] 张干 LIU Yi;YU Yang;JIN Biao;ZHANG Ji-yun;CHEN Wen-wen;ZHANG Gan(State Key Laboratory of Organic Geochemistry,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China;CAS Center for Excellence in Deep Earth Science,Guangzhou 510640,China;University of Chinese Academy of Sciences,Beijing 100049,China;Solid Waste and Chemicals Management Center,Ministry of Ecology and Environment of the People’s Republic of China,Beijing 100029,China)
机构地区:[1]中国科学院广州地球化学研究所有机地球化学国家重点实验室,广东广州510640 [2]中国科学院深地科学卓越创新中心,广东广州510640 [3]中国科学院大学,北京100049 [4]生态环境部固体废物与化学品管理技术中心,北京100029
出 处:《地球化学》2021年第3期305-316,共12页Geochimica
基 金:国家重点基础研究发展计划重点专项(2019YFC1805500);广东省自然科学基金(2019A1515011035)。
摘 要:持久、迁移性有机污染物(PMOC)具有高极性、化学性质稳定的特点,故难被土壤以及沉积物吸附。该类化学物质的环境释放可导致其在地下水以及饮用水中富集。目前,由于缺乏有效的分析技术手段,水体中大量未知的PMOC仍待进一步分析和识别。本次研究将从定义、特性和判别标准等方面系统介绍该类污染物,同时,对欧洲国家的PMOC管控现状和政策法规进行总结和归纳。此外,以全氟烷基酸为例,对比、讨论了我国和欧洲地表水和地下水中PMOC的污染现状,并针对不同种类的PMOC详细介绍了相关的分析方法和水处理技术。最后,对PMOC的未来研究趋势进行前瞻,以期为我国化学品风险管理以及饮用水资源保护提供参考依据。Persistent and mobile organic contaminants(PMOC)are highly polar organic chemicals,which are chemically persistent and marginally sorptive to soil and sediments.Environmental release of these contaminants lead to the accumulation of such compounds in drinking water and groundwater systems.Environmental monitoring still lacks efficient tools for identifying PMOCs;therefore,most PMOCs in aquatic environments remain unknown.In this review,we will define PMOCs and demonstrate standards and procedures for screening these compounds.Recent regulations on such chemicals will also be introduced.Additionally,differences in surface and groundwater contamination by perfluoroalkyl acids between China and Europe are compared and discussed.Furthermore,we summarize recent research advances,focusing on analytical approaches and treatment techniques for PMOCs.Finally,future directions for PMOC research in China will be briefly discussed.We believe that our work will provide valuable information for chemical regulations as well as protection for drinking water resources.
关 键 词:持久、迁移性有机污染物 高极性 饮用水 地下水 污染现状
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