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Studied was the comparison of ozone-biological activated carbon (O3-BAC) and granular activated carbon (GAC) processes for advanced drinking water treatment. The effects by O3-BAC and GAC were evaluated based on the removal of the indexes including CODMn, UV254, TOC, BDOC, NH4+-N, NO3--N and NO2--N. The results showed that the treatment effect by O3-BAC was better than that by GAC alone. When ozone...
Catalytic ozonation/biological activated carbon process was applied for advanced drinking water treatment in this study. The results showed that with the ozone dosage of 2.0mg/L, the removal of CODMn, TOC and UV254 in catalytic ozonation unit was 24.6%, 15.9% and 59.8%, and increased to 40%, 16% and 68% respectively after being treated by BAC. The catalytic ozonation unit contributed to more than...
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