Abstract
This study investigated the effect of water quality parameters during simultaneous chlorine dioxide disinfection and low pressure ultraviolet (LPUV) irradiation on TCS degradation.The TCS degradation by the co-exposure process was sensitive to chlorine dioxide dosage, concentration of TCS, pH, and NOM.The removal efficiency increases as the pH increases.Neutral and slightly alkaline environments is conductive to promote TCS elimination, The removal rate within 1 minute of pH 5 was only 95.02%.The smaller the removal rate of TCS was decreased as the concentration of humic acid increasing. The higher the concentration of TCS lead to the lower the experimental removal. 2, 4-DCP was generated during UV/ClO2, ClO2 and UV, however, the production of 2, 8-Cl2DD was not detected during UV/ClO2 process.
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