Evaluation of Bioassays and Wastewater Quality ... - Oekotoxzentrum
Evaluation of Bioassays and Wastewater Quality ... - Oekotoxzentrum
Evaluation of Bioassays and Wastewater Quality ... - Oekotoxzentrum
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Biological treatment combined with ozonation<br />
Green algae: photosynthesis inhibition<br />
Green algae: growth inhibition<br />
YES assay: estrogenic effects<br />
ER CALUX: estrogenic effects<br />
AR CALUX: <strong>and</strong>rogenic effects<br />
GR CALUX: glucocorticoid like effects<br />
PR CALUX: progesterone like effects<br />
PPARg1 CALUX<br />
-20% 0% 20% 40% 60% 80% 100%<br />
Elimination Ozonation<br />
Swiss Centre for Applied Ecotoxicology, Eawag/EPFL · Überl<strong>and</strong>strasse 133 · CH-8600 Dübendorf<br />
www.oekotoxzentrum.ch<br />
'Old' biology<br />
Moving bed biology<br />
Figure 13: Elimination efficiencies (%) in the ozonation treatment with wastewater from the “old” biology<br />
(SB) (1 st MC) <strong>and</strong> from the moving bed biology (LF) (2 nd to 4 th MC, mean ± SD) for specific effects<br />
measured in in vitro bioassays.<br />
Green algae: photosynthesis inhibition<br />
Green algae: growth inhibition<br />
YES assay: estrogenic effects<br />
ER CALUX: estrogenic effects<br />
AR CALUX: <strong>and</strong>rogenic effects<br />
GR CALUX: glucocorticoid like effects<br />
PR CALUX: progesterone like effects<br />
PPARg1 CALUX<br />
-40% -20% 0% 20% 40% 60% 80% 100%<br />
Elimination Ozonation<br />
0.5 g O3/g DOC<br />
0.7 g O3/g DOC<br />
0.8 g O3/g DOC<br />
1.1 g O3/g DOC<br />
Figure 14: Elimination efficiencies (%) in the ozonation treatments for each <strong>of</strong> the four measurement<br />
campaigns regarding specific effects measured in in vitro bioassays.<br />
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