Mermiss – Environmentally friendly treatment of highly potent pharmaceuticals in hospital wastewater

Leading organisations:
Aarhus Municipality, Herning Municipality, Aarhus University Hospital, Krüger Veolia, Air Liquide, Technical University of Denmark, Aarhus University, and Danish Technological Institute


Geographic Area:


To develop the Moving Bed Biofilm Reactor (MBBR) technology through chemical oxidation to efficiently remove highly potent pharmaceuticals that is present in hospital wastewater.

Target audience:
Environmental experts, Hospitals/health system stakeholders, Scientists, and Water/waste service providers

Area of interest:
Occurrence of pharmaceuticals in the environment, Wastewater, and Water treatment technologies


Investigating treatment of wastewater in three situations:
1) All wastewater from the hospital
2) Wastewater from the Department of Oncology, which is highly polluted
3) Municipal wastewater

Cost assessment of wastewater treatment to find out which is more environmentally and financially efficient.

Communication material:

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HCWH Europe gratefully acknowledges the financial support of the European Commission (EC)’s LIFE+ programme, the Federal Ministry for the Environment, Nature Conservation, and Nuclear Safety (BMU) Germany, and the German Environment Agency (UBA). HCWH Europe is solely responsible for the content of this project and related materials. The views expressed do not reflect the official views of the EC, BMU, or UBA.