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Bromate formation in advanced oxidation processes
When conventional ozonation processes are replaced by a combination of ozone and hydrogen peroxide, bromate formation increases when the ozone residual is kept constant but decreases when the ozone dose is kept constant.
Bromate formation in conventional ozonation and advanced oxidation processes combining ozone and hydrogen peroxide was investigated at five water treatment plants. Before ozonation, bromide concentrations ranged from 35 to 130 pg/L. Bromate formed during the ozonation step varied from <2 to 42 μg/L. In general, advanced oxidation leads to higher bromate concentrations when compared with a conventional ozonation process, if the same ozone residual is maintained for both processes. Lower concentrations result if the ozone dosage is kept constant and the hydrogen peroxide dosage is increased.
Bromate formation in advanced oxidation processes
When conventional ozonation processes are replaced by a combination of ozone and hydrogen peroxide, bromate formation increases when the ozone residual is kept constant but decreases when the ozone dose is kept constant.
Bromate formation in conventional ozonation and advanced oxidation processes combining ozone and hydrogen peroxide was investigated at five water treatment plants. Before ozonation, bromide concentrations ranged from 35 to 130 pg/L. Bromate formed during the ozonation step varied from <2 to 42 μg/L. In general, advanced oxidation leads to higher bromate concentrations when compared with a conventional ozonation process, if the same ozone residual is maintained for both processes. Lower concentrations result if the ozone dosage is kept constant and the hydrogen peroxide dosage is increased.
Bromate formation in advanced oxidation processes
von Gunten, Urs (author) / Bruchet, Auguste (author) / Costentin, Eliane (author)
Journal ‐ American Water Works Association ; 88 ; 53-65
1996-06-01
13 pages
Article (Journal)
Electronic Resource
English
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