Identification of disinfection by-product precursors by natural organic matter fractionation: a review
نویسندگان
چکیده
During disinfection of drinking water, natural organic matter reacts with chlorine to produce harmful by-products. The identification precursors by-products in is challenging because very complex and poorly known. Therefore, scientists have focused on the fractionation membranes or resins better understand how which fractions react during chlorination. Here, we compared reactivity various For that did a meta-analysis 400 water samples published 80 publications, focus chlorination time dose, SUVA254 column capacity factor used resin fractionation. refers ultraviolet absorbance at 254 nm divided by concentration. We found hydrophobic compounds 10–20% higher both trihalomethane haloacetic acid formation hydrophilic waters above 2L/(mg?m), while equal low SUVA254. On other hand, are 20–80% more reactive towards emerging by-products, regardless Chlorination dose do not influence ratio between different fractions. An increase can shift from Dead-end, stirred cell ultrafiltration membrane might always sharply separated fractions, mainly due fouling. no clear correlation could be all investigated by-product groups.
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ژورنال
عنوان ژورنال: Environmental Chemistry Letters
سال: 2022
ISSN: ['1610-3661', '1610-3653']
DOI: https://doi.org/10.1007/s10311-022-01478-x