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: Dec 6, 2015
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Summarized by: Susanna Rehn Hedlund

For Mitigation of Filamentous Bulking Sludge & Reduction of Pharmaceutical Discharge

Alleviation of filamentous bulking sludge and reduction of pharmaceutical residues are both possible to achieve with ozone. This thesis presents results from two full-scale installations focused on mitigation of filamentous bulking sludge as well as one pilot-scale trial in which ozone was combined with a pre-treatment to remove pharmaceuticals from treated wastewater.
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Posted: Oct 20, 2015
Categories: Suggested readings
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Summarized by: Susanna Rehn Hedlund

When will we see legal limits to control pollution from drugs during their manufacture, use and disposal?

"The need for global action was recognized internationally for the first time last week at a meeting in Geneva, Switzerland, led by the United Nations Environment Programme. The move is a small but significant development" according to an article in nature.com
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Posted: Oct 19, 2015
Categories: Suggested readings
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Summarized by: Susanna Rehn Hedlund

First installation in Sweden for removal of pharmaceutical residue at wastewater treatment plant chooses ozone oxidation as method.

http://www.nyteknik.se/nyheter/bioteknik_lakemedel/lakemedel/article3939570.ece

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Posted: Sep 15, 2015
Categories: Suggested readings
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Summarized by: Gerly Hey
The effective removal of unwanted chemicals in wastewater has been a challenge for many wastewater treatment plants due to inefficiency of biological treatment processes especially in cold climates like Sweden.
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Posted: Aug 21, 2015
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Summarized by: Gerly Hey
Pharmaceuticals have been detected everywhere in the environment especially in surface waters. Exposure to elevated concentrations of these micropollutants has shown to cause harmful effects in the environment and the living organisms, as referred to in the following links.
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Posted: Aug 21, 2015
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Summarized by: Gerly Hey
Micropollutants occur in the environment mainly due to wastewater treatment plant discharges. The following links of articles investigates the occurrence of micropollutants in WWTPs and the environmental risks associated with their exposure.
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Posted: May 18, 2015
Categories: Suggested readings
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Summarized by: Susanna Rehn Hedlund

Pharmaceutical residues and other emerging substances in the effluent of sewage treatment plants

This Swedish study aims to provide a solid knowledge base on the subject of removal of pharmaceutical residue and other emerging substances. Both national and international experts have been consulted to provide a complete review.
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Posted: May 18, 2015
Categories: Suggested readings
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Summarized by: Gerly Hey
The installation and operation of advanced wastewater treatment which aims at reducing organic micropollutants left after the biological treatment, will incur additional cost of treatment. The additional treatment cost for using ozone is surprisingly low according to the following referenced studies.
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Posted: Apr 24, 2015
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Summarized by: Gerly Hey
Zhou and Brrodbank (2014) investigated the occurrence of 9 pharmaceuticals in both river water and sediment by taking sample at different times and locations such as the effluent recipient water and downstream and upstream of River Medway.
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Posted: Apr 24, 2015
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Summarized by: Gerly Hey
Östman et al. (2014) investigated 24 illicit and narcotic drugs and some metabolites present in sewage treatment plants in different locations around Sweden using newly developed analytical method. This review provides only a quick view or snapshot of the drugs since only a single sample was taken in every location.
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