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Cited by 586

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Bromate Formation during Ozonization of Bromide-Containing Waters: Interaction of Ozone and Hydroxyl Radical Reactions

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von Gunten, Urs., Hoigne, Juerg.·1994·Environmental Science & Technology

Abstract

Kinetic simulations have been tested by laboratory experiments to evaluate the major factors controlling bromate formation during ozonation of waters containing bromide. In the presence of an organic scavenger for OH radicals, bromate formation can be accurately predicted by the molecular ozone mechanism using published reaction rate data, even for waters containing ammonium In the absence of scavengers, OH radical reactions contribute significantly to bromate formation. Carbonate radicals, produced by the oxidation of bicarbonate with OH radicals, oxidize the intermediate hypobromite to bromite, which is further oxidized by ozone to bromate. During drinking water ozonation, molecular ozone controls both the initial oxidation of bromide and the final oxidation of bromite. OH radical reactions contribute to the oxidation of the intermediate oxybromine species. Bromate formation in advanced oxidation processes can be explained by a synergism of ozone and OH radicals.

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Metadata

Authors
von Gunten, U., & Hoigne, J.
Venue
Environmental Science & Technology
Published
1994-07-01
Volume
28
Issue
7
Pages
1234-1242
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2019338346
Cited by
586
References
1
FWCI
16.49
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Bromate Formation during Ozonization of Bromide-Containing Waters: Interaction of Ozone and Hydroxyl Radical Reactions. https://app.cochat.ai/papers/10.1021/es00056a009
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von Gunten, U., & Hoigne, J. (1994). Bromate Formation during Ozonization of Bromide-Containing Waters: Interaction of Ozone and Hydroxyl Radical Reactions. Environmental Science & Technology. https://doi.org/10.1021/es00056a009

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