Bisphenol A reactions with hydroxyl radicals: diverse pathways determined between deionized water and tertiary treated wastewater solutions

Bisphenol A reactions with hydroxyl radicals: diverse pathways determined between deionized water... The oxidative reactions of bisphenol A (BPA) with radiolytically generated hydroxyl radicals were studied in both deionized water and tertiary treated wastewaters. In deionized water, bisphenol A reacts with the hydroxyl radical by addition to the aromatic ring, k = 6.9 × 109 (±0.2) M−1 s−1, to eventually form the prominent, long-lived, hydroxylated intermediate product. In contrast, in tertiary treated water solutions, although the initial hydroxyl radical addition reaction occurs, the hydroxylation is averted, and a different mechanistic pathway ensues. The removal constant for the hydroxyl radical reaction with BPA is 0.45 ± 0.04 μmol/kGy, corresponding to an overall degradation efficiency of 76%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Bisphenol A reactions with hydroxyl radicals: diverse pathways determined between deionized water and tertiary treated wastewater solutions

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Publisher
Springer Journals
Copyright
Copyright © 2009 by The Author(s)
Subject
Chemistry; Inorganic Chemistry ; Physical Chemistry ; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-008-0012-6
Publisher site
See Article on Publisher Site

Abstract

The oxidative reactions of bisphenol A (BPA) with radiolytically generated hydroxyl radicals were studied in both deionized water and tertiary treated wastewaters. In deionized water, bisphenol A reacts with the hydroxyl radical by addition to the aromatic ring, k = 6.9 × 109 (±0.2) M−1 s−1, to eventually form the prominent, long-lived, hydroxylated intermediate product. In contrast, in tertiary treated water solutions, although the initial hydroxyl radical addition reaction occurs, the hydroxylation is averted, and a different mechanistic pathway ensues. The removal constant for the hydroxyl radical reaction with BPA is 0.45 ± 0.04 μmol/kGy, corresponding to an overall degradation efficiency of 76%.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jan 15, 2009

References

  • Occurrence of phthalates and bisphenol A and F in the environment
    Fromme, H; Kuchler, T; Otto, T; Pilz, K; Muller, J; Wenzel, A
  • Prenatal exposure to bisphenol A affects adult murine neocortical structure
    Nakamura, K; Itoh, K; Sugimoto, T; Fushiki, S

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