Influence of the treatment process combinations on the formation of THM species in water
The objectives of this study were to investigate formation of trihalomethane (THM) species in waters treated by different methods and to determine effectiveness of using various methods for controlling disinfection by-product (DBP) precursors in drinking water. Experiments were carried out using bat...
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| Veröffentlicht in: | Separation and purification technology 2008-07, Vol.61 (3), p.447-454 |
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| creator | Teksoy, Arzu Alkan, Ufuk Başkaya, Hüseyin Savaş |
| description | The objectives of this study were to investigate formation of trihalomethane (THM) species in waters treated by different methods and to determine effectiveness of using various methods for controlling disinfection by-product (DBP) precursors in drinking water. Experiments were carried out using batch experimental set-ups. Combinations of pre-ozonation, post-ozonation, enhanced coagulation, rapid sand filtration, activated carbon filtration and UV radiation were performed. Finished waters were analyzed for dissolved organic carbon (DOC), biodegradable dissolved organic carbon (BDOC), ultraviolet absorbance at 254
nm (UV
254), total trihalomethane formation potential (TTHMFP), bromide and bromate. The results indicated that using the sequence of pre-ozonation/enhanced coagulation/activated carbon filter is the most effective method for reducing THM precursors. It was also concluded that the formation of THM species primarily related to the characteristics of finished water before chlorination. |
| doi_str_mv | 10.1016/j.seppur.2007.12.008 |
| format | Article |
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nm (UV
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nm (UV
254), total trihalomethane formation potential (TTHMFP), bromide and bromate. The results indicated that using the sequence of pre-ozonation/enhanced coagulation/activated carbon filter is the most effective method for reducing THM precursors. It was also concluded that the formation of THM species primarily related to the characteristics of finished water before chlorination.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.seppur.2007.12.008</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 1383-5866 |
| ispartof | Separation and purification technology, 2008-07, Vol.61 (3), p.447-454 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences BDOC Chemical engineering DOC Drinking water and swimming-pool water. Desalination Exact sciences and technology Filtration Liquid-liquid and fluid-solid mechanical separations Ozonation Pollution Reactors THMFP UV radiation Water treatment and pollution |
| title | Influence of the treatment process combinations on the formation of THM species in water |
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