LINKe,WANGYong-lei,CHENShu-hua,et al.Progress on the Detection of Halogenated Benzoquinones and Their Precursors[J].China Water & Wastewater,2022,38(4):38-43.
卤代苯醌检出及前体物研究进展
- Title:
- Progress on the Detection of Halogenated Benzoquinones and Their Precursors
- 摘要:
- 卤代苯醌（HBQs）是一类近年来新检出的且未受控的消毒副产物，虽然在水中的浓度很低且只有ng/L级别，但是其细胞毒性和遗传毒性均强于常见的消毒副产物三卤甲烷、卤乙酸等，其高毒性和膀胱癌风险对人类的健康无疑是一项重大威胁。水处理厂的常规处理工艺目的在于去除消毒副产物前体物，但是目前对HBQs的前体物及检测情况研究较少。从HBQs的种类、HBQs的检出情况、已证实的HBQs前体物及其生成HBQs途径和可能的HBQs前体物等四个方面，综述了HBQs的前体物研究进展及检测情况，并对HBQs目前研究方面存在的局限进行了总结，进一步提出未来HBQs的研究新方向和思路，以期从前体物方面为更好地处理HBQs和分析HBQs的生成途径提供依据。
- Abstract:
- Halogenated benzoquinones(HBQs) are a class of uncontrolled disinfection by-products that have been newly detected in recent years. Although the concentration of HBQs in water is very low with the level of ng/L, their cytotoxicity and genetic toxicity are both stronger than that of common disinfection by-products, e.g.trihalomethane, haloacetic acid, respectively. The high toxicity of HBQs and their risk on bladder cancer are undoubtedly a major threat to human health. The conventional treatment process of water treatment plants aims to remove the precursors of disinfection by-products, but there are few studies on the detection of HBQs and their precursors. The article summarizes the research progress of HBQs precursors from four aspects: the types of HBQs, the detection status of HBQs around the world, the proven precursors of HBQs and the pathways to generate HBQs, and the potential precursors of HBQs. It also summarizes the limitations of the current research on HBQs, and proposes new directions and ideas for HBQs research in future, hoping to provide a basis for a better HBQs processing, as well as analyzing the generation pathways of HBQs from the perspective of precursors.
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