This study investigates the oxidation of selected endocrine disrupting compounds (estrone, 17β-estradiol, estriol and 17α-ethinylestradiol) during ozonation and advanced oxidation of biologically treated municipal wastewater effluents in a pilot scale. Selected estrogenic substances were spiked in the treated wastewater at levels ranging from 1.65 to 3.59 μg · L−1. All estrogens were removed by ozonation by more than 99% at ozone doses ≥1.8 mg · L−1. At a dose of 4.4 · mg L−1 ozonation reduced concentrations of estrone, 17β-estradiol, estriol and 17α-ethinylestradiol by 99.8, 99.7, 99.9 and 99.7%, respectively. All tested advanced oxidation processes (AOPs) achieved high removal rates but they were slightly lower compared to ozonation. The lower removal rates for all tested advanced oxidation processes are caused by the presence of naturally occurring hydroxyl radical scavengers – carbonates and bicarbonates.
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Research Article|
April 21 2014
A pilot scale comparison of advanced oxidation processes for estrogenic hormone removal from municipal wastewater effluent
Radka Pešoutová;
1AQUA PROCON s.r.o., Palackého tř. 12, Brno, Czech Republic
E-mail: radka.pesoutova@aquaprocon.cz
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Luboš Stříteský;
Luboš Stříteský
1AQUA PROCON s.r.o., Palackého tř. 12, Brno, Czech Republic
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Petr Hlavínek
Petr Hlavínek
1AQUA PROCON s.r.o., Palackého tř. 12, Brno, Czech Republic
2Faculty of Civil Engineering, Brno University of Technology, Brno, Czech Republic
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Water Sci Technol (2014) 70 (1): 70–75.
Article history
Received:
January 15 2014
Accepted:
April 08 2014
Citation
Radka Pešoutová, Luboš Stříteský, Petr Hlavínek; A pilot scale comparison of advanced oxidation processes for estrogenic hormone removal from municipal wastewater effluent. Water Sci Technol 1 July 2014; 70 (1): 70–75. doi: https://doi.org/10.2166/wst.2014.196
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