THE EFFECT OF WATER QUALITY ON REMOVAL OF ACETAMINOPHEN IN SURFACE WATER BY OZONATION PROCESS
DOI:
https://doi.org/10.11113/jt.v74.4853Keywords:
Ozonation, river water, acetaminophenAbstract
The effectiveness of ozone to remove acetaminophen in surface water was studied. The results demonstrated that the removal of acetaminophen in surface water by ozone was achieved less than 30 minutes. Ozonation experiment was conducted with the initial concentration of 3.3 x 10-3 mM acetaminophen and para-cholobenzoic acid was selected as hydroxyl radical probe. The second-order rate constants for the reactions between acetaminophen and ozone have been evaluated in different quality of surface water. Based on the result obtained, ozonewas reducing rapidly in water samples according to the level of water quality. The presence of various organic and inorganic compounds in the water samples, which greatly influence the decomposition of dissolved ozone, hydroxyl exposure and removal of acetaminophen. The rate constants showed the minimum value (7.34 x 10-4 M-1 s-1) in lower water quality and maximum value (4.57 x 10-2 M-1 s-1) in high-quality water.
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