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Scientists at TU Freiberg develop process for removing microplastics from wastewater

16.01.2020

Together with partners from industry, the TU Bergakademie Freiberg will develop an innovative solution over the next two years to purify industrial wastewater and remove environmentally harmful microplastics. The process is also to be applied in the municipal sector at a later date.

Microplastics are becoming more and more widespread, especially in water. The term "microplastics" refers to plastic particles ranging in size from a few nanometres to a few millimetres.


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German Federal Ministry for Economic Affairs and Energy


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Central Innovation Programme for small and medium-sized enterprises

In sewage treatment plants, these tiny particles have so far been difficult to break down or filter.

The professorships for Fluid Mechanics and Flow Machines and for Thermal Process Engineering, Environmental and Natural Materials Process Engineering at the TU Bergakademie Freiberg are dedicated to solving this problem.

They are currently researching a completely new process for wastewater treatment. For this, the scientists are using the effect of hydrogen peroxide.

This is added to the wastewater and settles on the microplastic particles and decomposes into water and oxygen.

The oxygen forms gas bubbles and rises to the water surface together with the plastic particles. There they can finally be fished off.

An innovative detection method should also make it possible to individually adjust the amount of hydrogen peroxide to be added to the respective microplastic contamination of the waste water, thus reducing unnecessary consumption.

The project is funded within the framework of the Central Innovation Programme for SMEs (ZIM). The scientists of TU Freiberg are also supported by innoscripta GmbH, Munich.

Wissenschaftliche Ansprechpartner:

Prof. Dr.-Ing. habil. Rüdiger Schwarze, Phone: +49 3731 39 2486

Luisa Rischer | idw - Informationsdienst Wissenschaft
Further information:
http://www.tu-freiberg.de/

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