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Autor(en): Rott, Eduard
Kuch, Bertram
Lange, Claudia
Richter, Philipp
Kugele, Amélie
Minke, Ralf
Titel: Removal of emerging contaminants and estrogenic activity from wastewater treatment plant effluent with UV/chlorine and UV/H2O2 advanced oxidation treatment at pilot scale
Erscheinungsdatum: 2018
Dokumentart: Zeitschriftenartikel
Seiten: 18, 3
Erschienen in: International journal of environmental research and public health 15 (2018), No. 935
URI: http://elib.uni-stuttgart.de/handle/11682/10247
http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-102471
http://dx.doi.org/10.18419/opus-10230
ISSN: 1660-4601
1661-7827
Zusammenfassung: Effluent of a municipal wastewater treatment plant (WWTP) was treated on-site with the UV/chlorine (UV/HOCl) advanced oxidation process (AOP) using a pilot plant equipped with a medium pressure UV lamp with an adjustable performance of up to 1 kW. Results obtained from parallel experiments with the same pilot plant, where the state of the art UV/H2O2 AOP was applied, were compared regarding the removal of emerging contaminants (EC) and the formation of adsorbable organohalogens (AOX). Furthermore, the total estrogenic activity was measured in samples treated with the UV/chlorine AOP. At an energy consumption of 0.4 kWh/m3 (0.4 kW, 1 m3/h) and in a range of oxidant concentrations from 1 to 6 mg/L, the UV/chlorine AOP had a significantly higher EC removal yield than the UV/H2O2 AOP. With free available chlorine concentrations (FAC) in the UV chamber influent of at least 5 mg/L (11 mg/L of dosed Cl2), the total estrogenic activity could be reduced by at least 97%. To achieve a certain concentration of FAC in the UV chamber influent, double to triple the amount of dosed Cl2 was needed, resulting in AOX concentrations of up to 520 µg/L.
Enthalten in den Sammlungen:02 Fakultät Bau- und Umweltingenieurwissenschaften

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