Author： Myllykangas T.
Publisher： Taylor & Francis Ltd
ISSN： 0191-9512
Source： Ozone: Science and Engineering, Vol.27, Iss.1, 2005-02, pp. : 19-26
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Abstract
High-bromide raw water was ozonated or chlorinated with and without hydrogen peroxide to study the effect of the disinfectants on the disinfection by-product (DBP) formation. Less bromate was formed when ozonation was made at the ambient pH of 5.8 as compared to ozonation at pH 7, showing the effectiveness of pH reduction in controlling the bromate formation. When chlorine dose was 1 mg/L instead of 2.3 mg/L, the trihalomethane formation was 50 µg/L instead of >100 µg/L, and the proportional distribution of the trihalomethanes was similar. The use of ozone for this water could provide good results in respect of the DBP formation.
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