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- W4225162007 endingPage "134769" @default.
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- W4225162007 abstract "The severe cold in winter with harsh natural conditions in Northeastern China seriously affect the water quality of the reservoir, showing the increased content and more complex types of organic matter, which brings severe challenges to the control of disinfection by-products (DBPs) in drinking water treatment with reservoir water as the water source. In this study, the fractions of dissolved organic matter (DOM) in source water at before ice formation period (P1), ice-age period (P2), and ice begin to melt period (P3) were separated by membrane separation technology. Subsequently, the contributions of DOM fractions with different molecular weights (MW) to DOC, UV254, and SUVA254, and their disinfection by-product formation potential (DBPFP) were evaluated. Although DOM with high MW (5–10 kDa) contributed the most to dissolved organic carbon (DOC) and UV254, but the contribution of DOM with low MW (0–1 kDa) to DBPs formation could not be ignored, especially during ice-age period. There was no significant difference in the total numbers of DOM formula belonged to low MW fraction at these three periods, mainly including lignin, followed by N-containing saturated compounds and tannins. Additionally, redundancy analysis revealed that DOC and UV254 as the predictors had good correlation with DBPFP, while SUVA254 could not be used as a single indicator to predict the generation potential of DBPs, and could be used as the prediction factors together with AImodwa parameter closely related to DBPFP. The study provided key information for controlling the DBPs formation of DOM in water, especially in the ice-age period, and provided the theoretical basis for water plant production." @default.
- W4225162007 created "2022-05-01" @default.
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- W4225162007 date "2022-08-01" @default.
- W4225162007 modified "2023-09-27" @default.
- W4225162007 title "Characteristics and disinfection by-product formation potential of dissolved organic matter in reservoir water in cold area" @default.
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- W4225162007 doi "https://doi.org/10.1016/j.chemosphere.2022.134769" @default.
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