Bromate is a disinfection by-product, generally formed by the reaction
of ozone and naturally occurring bromide in drinkingwater, during
ozonation process [16,17]. The U.S. EPA has classified bromate as a possibly
carcinogenic substance to humans by the oral route of exposure
[18]. The symptoms due to toxic effects of bromate include nausea,
vomiting, abdominal pain, anuria and diarrhea, varying degrees of
central nervous system depression, hemolytic anemia and pulmonary
edema [19]. The U.S. EPA and American Water Works Association
(AWWA) have set bromate maximum contaminant level (MCL) in
drinking water as 10 μg L−1 [17].