Further information on the reduction of micropollutants in wastewater

Here we provide links to relevant articles and offer summaries of studies on micropollutants and its reduction from wastewater. We also discuss solutions and issues such as cost of removing pharmaceutical residue. New content will be added every month. Please feel free to comment or provide more information in any discussion.

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Posted: May 10, 2016
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Summarized by: Gerly Hey
Rodayan et al. (2014) carried out a bench-scale ozonation test to remove 7 psychoactive drugs (also referred as “drug of abuse”) from secondary wastewater effluent, employing different ozone to drug molar ratios. The total initial concentration of the drugs in the wastewater was adjusted to be around 100 µg/l.
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Posted: Feb 22, 2016
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Summarized by: Gerly Hey
Wittmer et al. (2015) investigated the change in UV absorbance of wastewater effluent before and after ozone treatment as a simple control strategy to optimize ozone dose for micropollutant removal. Laboratory batch experiments were carried out using wastewater effluent from 3 different Swiss WWTPs (Eawag, Werdhölzli and Uster).
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Posted: Apr 23, 2015
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Summarized by: Gerly Hey
Altmann, et al. (2014) compared the efficiency of ozone and powdered activated carbon (PAC) for the removal of micropollutants in secondary-treated wastewater effluents characterized by high dissolved organic carbon (DOC) concentration.
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Posted: Feb 26, 2015
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Summarized by: Gerly Hey
Lester et al. (2013) investigated the applicability of ozone as a treatment step following activated sludge system to treat wastewater from a pharmaceutical formulation facility in Israel. The target drugs carbamazepine and venlafaxine were detected at extremely high concentrations in the raw wastewater therefore reducing its concentration prior to discharge into the local municipal WWTP is necessary.
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