Molecular ozone and radical pathways of bromate formation during ozonation

Kenan Ozekin, Paul Westerhoff, Gary L. Amy, Mohamed Siddiqui

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

An understanding of bromate formation mechanisms is critical for minimization and control of bromate formation during ozonation. Bromate formation observed in different natural source waters in the presence of a hydroxyl radical scavenger indicated that bromate formed predominantly through the free radical pathway. Carbonate radicals formed in the presence of alkalinity act as secondary oxidants of bromine species leading to enhanced bromate formation. The effects of adding hydrogen peroxide and ammonia during ozonation were also evaluated.

Original languageEnglish (US)
Article number15806
Pages (from-to)456-462
Number of pages7
JournalJournal of Environmental Engineering
Volume124
Issue number5
DOIs
StatePublished - Jan 1 1998

ASJC Scopus subject areas

  • Environmental Engineering
  • Civil and Structural Engineering
  • Environmental Chemistry
  • Environmental Science(all)

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