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By using the reverse osmosis technology, Natural organic matter (NOM) was concentrated from Songhua River. The fractions of NOM (Hydrophobic fraction-HyO, Hydrophilic fraction-HyI, Humic acid-HA, Fulvic acid-FA) were fractionated with XAD resin. A commercial humic acid was further selected for comparison. The characteristics modification of CHA, NOM and its fractions after ozonation (1mg/L O3), coagulation...
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