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Chemical Reduction Methods for Bromate Ion Removal

Gordon, Gilbert / Gauw, Renee D. / Emmert, Gary L. / Walters, Bryan D. / Bubnis, Bernard

Bromate ion (BrO₃^–) in drinking water is a concern to water utilities because of its toxicity—but also because new regulations have been promulgated to lower residual levels of BrO₃^– in finished water. This study evaluated sulfite ion (SO₃^2–) and reduced iron (Fe²⁺) as potential removal agents for BrO₃^–over a wide pH range. The experimental rate law for BrO₃^– removal using SO₃^2– shows that the rate of removal decreases with increasing pH. The experimental rate law for BrO₃^– removal using Fe²⁺ shows that the rate of removal increases with increasing pH.

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Chemical Reduction Methods for Bromate Ion Removal

Gordon, Gilbert / Gauw, Renee D. / Emmert, Gary L. / Walters, Bryan D. / Bubnis, Bernard

Bromate ion (BrO₃^–) in drinking water is a concern to water utilities because of its toxicity—but also because new regulations have been promulgated to lower residual levels of BrO₃^– in finished water. This study evaluated sulfite ion (SO₃^2–) and reduced iron (Fe²⁺) as potential removal agents for BrO₃^–over a wide pH range. The experimental rate law for BrO₃^– removal using SO₃^2– shows that the rate of removal decreases with increasing pH. The experimental rate law for BrO₃^– removal using Fe²⁺ shows that the rate of removal increases with increasing pH.

Chemical Reduction Methods for Bromate Ion Removal

Gordon, Gilbert / Gauw, Renee D. / Emmert, Gary L. / Walters, Bryan D. / Bubnis, Bernard

Bromate ion (BrO₃^–) in drinking water is a concern to water utilities because of its toxicity—but also because new regulations have been promulgated to lower residual levels of BrO₃^– in finished water. This study evaluated sulfite ion (SO₃^2–) and reduced iron (Fe²⁺) as potential removal agents for BrO₃^–over a wide pH range. The experimental rate law for BrO₃^– removal using SO₃^2– shows that the rate of removal decreases with increasing pH. The experimental rate law for BrO₃^– removal using Fe²⁺ shows that the rate of removal increases with increasing pH.

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Titel:

Chemical Reduction Methods for Bromate Ion Removal

Beteiligte:

Gordon, Gilbert (Autor:in) / Gauw, Renee D. (Autor:in) / Emmert, Gary L. (Autor:in) / Walters, Bryan D. (Autor:in) / Bubnis, Bernard (Autor:in)

Erschienen in:

Journal ‐ American Water Works Association ; 94 ; 91-98

Erscheinungsdatum:

01.02.2002

Format / Umfang:

8 pages

ISSN:

1551-8833 , 0003-150X

DOI:

https://doi.org/10.1002/j.1551-8833.2002.tb09410.x

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Chemicals , Iron , Reduction , Bromide , Utilities , Bromate , pH , Oxidants

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