LIHai-xin,DINGShun-ke,CHUWen-hai.Research Progress of Halogenated Hydantoins Disinfectants[J].China Water & Wastewater,2025,41(12):7-17.
卤化海因类消毒剂研究进展
- Title:
- Research Progress of Halogenated Hydantoins Disinfectants
- 摘要:
- 近年来,卤化海因作为一类新型卤素消毒剂受到关注,其主要包含二氯海因、二溴海因和溴氯海因三种物质,它们具有强氧化性和长效缓释特性,表现出与氯消毒剂相当甚至高于氯消毒剂的消毒效果,对病毒、细菌、真菌和芽孢等多种病原微生物均有很好的灭活作用。但是目前对卤化海因的研究尚不系统全面。综述了卤化海因对工业废水、娱乐用水、水产养殖和食品生鲜中常见菌种的消毒效能,卤化海因的消毒机制以及影响因素;评估了卤化海因的消毒副产物生成潜力和毒性风险;总结了卤化海因目前研究中存在的问题,并就消毒机制研究不完善、消毒副产物生成特性不明确、消毒副产物及卤化海因本身毒性风险不明确等方面提出了研究展望。
- Abstract:
- Halogenated hydantoins, a new type of halogen disinfectants, are gaining increasing attention. Halogenated hydantoins include 1,3-dichloro-5,5-dimethylhydantoin, 1,3-dibromo-5,5-dimethylhydantoin, and 1-bromo-3-chloro-5,5-dimethylhydantoin. They exhibit strong oxidizing power and long-lasting slow-release characteristics, showing comparable or even superior disinfection efficiency compared with chlorine-based disinfectants. They are effective against a wide range of pathogenic microorganisms, including viruses, bacteria, fungi, and spores. However, research on halogenated hydantoins remains insufficiently systematic or comprehensive. This paper reviews the disinfection efficacy against common microbial species found in industrial wastewater, recreational water, aquaculture, and fresh food products. It also discusses their disinfection mechanisms and influencing factors, while evaluating the potential for disinfection by-product formation and associated toxicity risks. The paper summarizes the current research issues concerning halogenated hydantoins, and concludes by offering an outlook on future research directions, highlighting the need for further investigation into the disinfection mechanisms, the characteristics of disinfection by-products, and the toxic risks of both the by-products and the halogenated hydantoins.
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