A step forward in the detection of byproducts of anthropogenic organic micropollutants in chlorinated water |
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| Institution: | 1. Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain;2. Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), Box 7050, SE-750 07, Uppsala, Sweden;3. Environmental Institute, Okružná 784/42, Koš, 97241, Slovakia;4. Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Greece |
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| Abstract: | Contaminants of emerging concern (CECs) are widespread in the water cycle. Their levels in disinfected waters are usually low, as they may transform into CEC disinfection byproducts (DBPs) during disinfection processes or partially removed in previous water treatment steps. The occurrence of CEC DBPs in real waters has been scarcely addressed, although their presence may be of relevance in water circular economy scenarios, and thus deserves further study in water regeneration systems. In this work, a database of CEC DBPs (n=1338) after chlorination was generated and is ready to use in future screening studies to assess the relevance of these chemicals in contaminat mixtures. Moreover, the transformation of CECs during chlorination, their main reaction pathways with chlorine, and current knowledge gaps were critically reviewed. |
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| Keywords: | Chlorination byproducts Suspect screening Water disinfection High-resolution mass spectrometry Reclaimed water |
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