Presentation - Hazen and Sawyer
Presentation - Hazen and Sawyer
Presentation - Hazen and Sawyer
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Fundamentals – UV/H 2 O 2<br />
AOP<br />
16<br />
• AOP High powered<br />
oxidation of<br />
contaminants via OH<br />
radical intermediate<br />
OH radical is very<br />
reactive with “targets”<br />
OH radical is also<br />
reactive with<br />
“scavengers”<br />
Pollutant or<br />
Constituent<br />
OH radical rate<br />
constant (M -1 s -<br />
1<br />
)<br />
Reference<br />
MTBE<br />
Atrazine<br />
NDMA<br />
MIB<br />
Geosmin<br />
Bisphenol-A<br />
1.9x10 9<br />
3x10 9<br />
3.3x10 9<br />
8.2x10 9<br />
1.4x10 10<br />
1.02x10 10 Acero et al., 2001<br />
Acero et al., 2000<br />
Wink <strong>and</strong> Desrosiers, 1991<br />
Glaze et al., 1990<br />
Glaze et al., 1990<br />
Rosenfeldt <strong>and</strong> Linden, 2004<br />
17-β-Estradiolβ<br />
1.41x10 10 Rosenfeldt <strong>and</strong> Linden, 2004<br />
H 2 O 2 2.7x10 7 1988<br />
17-α-Ethinyl Estradiol 1.08x10 10 Rosenfeldt <strong>and</strong> Linden, 2004<br />
4-Nonylphenol<br />
5.65x10 9<br />
AWARF, 2006<br />
Para-Chlorobenzoic<br />
5x10 9<br />
Elovitz <strong>and</strong> von Gunten, 1999<br />
Acid<br />
3.9x10 9<br />
Buston et al., 1988<br />
Nitrobenzene<br />
9.7x10 9<br />
Buxton et al., 1988<br />
Methanol<br />
2.5x10 4 (L mg -1 s - Larson <strong>and</strong> Zepp, 1988<br />
NOM (TOC)<br />
1<br />
)<br />
Hoigne et al., 1985; Buxton et al,<br />
HCO<br />
-<br />
3 8.5x10 6<br />
1988<br />
CO<br />
-2<br />
3 3.9x10 8 Hoigne et al., 1985; Buxton et al.,<br />
Buxton et al., 1988
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