Control of the Ozonation by-Products by O3/BAC in Shanxi Yellow River Water Treatment
While ozonation and biological activated carbon (O3/BAC) process was widely used in advanced water treatment, the control of ozonation by-product was one of the most important objects in water treatment. In this study, the filtered water of Huyan water plant, treating Yellow River water in Shanxi, w...
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| Veröffentlicht in: | Advanced materials research 2015-07, Vol.1119, p.408-412 |
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| creator | Zou, Jian Feng Yuan, Yi Xing Liu, Jian Tang, Xiao Bin Wang, Fu Jin Zhou, Jian Jun Du, Ren He, Jun Guo |
| description | While ozonation and biological activated carbon (O3/BAC) process was widely used in advanced water treatment, the control of ozonation by-product was one of the most important objects in water treatment. In this study, the filtered water of Huyan water plant, treating Yellow River water in Shanxi, was used as the raw water to investigate the control of ozonation by-products and the biological stability by O3/BAC process. Results showed that the bromate, formaldehyde and AOC concentration of ozonation effluent were increased, yet BAC filter could effectively reduce the concentration of the by-products. When ozone dosage was less than 3.5 mg/L, the bromate of BAC filter effluent was lower than 10 ug/L. And the formaldehyde was less than 20 ug/L in the whole range of ozone dosage. Moreover, the optimal ozone dosage for the highest AOC removal of 63.25% was 2.0 mg/L. The results could provide an operation parameter for Shanxi Yellow River water advanced treatment, thus to ensure the water quality safety. |
| doi_str_mv | 10.4028/www.scientific.net/AMR.1119.408 |
| format | Article |
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In this study, the filtered water of Huyan water plant, treating Yellow River water in Shanxi, was used as the raw water to investigate the control of ozonation by-products and the biological stability by O3/BAC process. Results showed that the bromate, formaldehyde and AOC concentration of ozonation effluent were increased, yet BAC filter could effectively reduce the concentration of the by-products. When ozone dosage was less than 3.5 mg/L, the bromate of BAC filter effluent was lower than 10 ug/L. And the formaldehyde was less than 20 ug/L in the whole range of ozone dosage. Moreover, the optimal ozone dosage for the highest AOC removal of 63.25% was 2.0 mg/L. 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| title | Control of the Ozonation by-Products by O3/BAC in Shanxi Yellow River Water Treatment |
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