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- W4251396933 abstract "Abstract The occurrence an d infestations of chlorine-resistant invertebrates in drinking water distributions have attracted concerns on water quality in China, making effective deactivation imperative. This study presents a no vel strategy for nematode ( Caenorhabditis elegans ) deactivation using peroxymonosulfate (PMS)/UV-C. The results indicated that 100% deactivation efficiency was obtained under optimal conditions. An acidic pH and 0.25 mg/L Fe(II) were beneficial to the PMS/UV-C-triggered deactivation of nematodes. A mechanism study demonstrated that was activated by UV-C to produce · OH and · SO 4 - , which resulted in oxidative stress and stimulated the occurrence of cell apoptosis, leading to nematode deactivation. The results reveal PMS/UV-C as an alternative to chlorination in water treatment plants (WTP) or an emergency application when chlorine-resistant invertebrates breed in a second-supply water tank, is a promising strategy for disinfection. This approach afforded the advantages of avoiding the production of chlorine disinfection by-products (DBP) and greater efficacy of nematode deactivation. This work will provide ideas for on-going research efforts into chlorine-resistant invertebrate deactivation, and eventually achieve the direct drinking of municipal tap water." @default.
- W4251396933 created "2022-05-12" @default.
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- W4251396933 date "2021-02-22" @default.
- W4251396933 modified "2023-09-27" @default.
- W4251396933 title "Deactivation of Caenorhabditis elegans nematodes in drinking water by PMS/UV-C: Efficiency and mechanisms" @default.
- W4251396933 doi "https://doi.org/10.21203/rs.3.rs-157126/v1" @default.
- W4251396933 hasPublicationYear "2021" @default.
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