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Degradation of Estrogens in Sewage Treatment Processes 
    
  
Figure 5-1 
Concentration of the three steroid estrogens in the water phase (CW) decreases over time after 1 g/L activated sludge is added. The loss from the water phase is almost complete after 0.5 h. A and B have 
two replicates for each time point, and C has four. 
  
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 Version 1.0 November 2004, © Danish Environmental Protection Agency 
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