2010•Ha'erbin gongye daxue xuebaoRequires access

Formation and distribution of bromine species during ozonation in filtered surface water containing bromide

Qi Hong Zhu

Abstract

To investigate the effects of bromide concentration and ozone dosage on the formation of brominated trihalomethane formation potential (THMFP-Br) and BrO3-in ozonation,the effects of ozone dosage and reaction time on the distribution of bromide species were studied.The results show that THMFP-Br can be removed by ozone in water with different bromide concentrations.In low bromide concentration,BrO3-is formed only in high ozone dosage.Ozone dosage has great influence on the amount of total organic bromine (TOBr) on the percent conversion of Br-,but has no obvious effect on THMFP-Br.The generated BrO3-increases and the amount of TOBr decreases with the extended reaction time of ozonation.

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Key concepts: Trihalomethane, Bromine, Bromide, Ozone, Chemistry, Water treatment, Environmental chemistry, Inorganic chemistry