Sediment

Factsheet 11: Microplastics in wastewater treatment - Development of sampling and analysis methods for detection of input quantities into surface waters

It is not easy to determine how much microplastic is contained in wastewater and sewage sludge. In addition to plastic, countless other particles and substances are present. To reliably determine the concentration of microplastic particles, complex procedures for sampling as well as for removal of foreign substances and analysis of the microplastic particles are required.

MicroCatch_Balt

Investigation of Sinks and Sources of Microplastics from a Typical Catchment Area to the Open Baltic Sea
August 2017
April 2021

This project determined sources and sinks of microplastic in the Warnow river basin, as well as relevant dissemination processes on its way to the open Baltic Sea. Separate models were linked so that the resulting model covers the entire river basin including estuary and coastal waters.

Website
https://www.io-warnemuende.de/microcatch-home.html
Project sheet
19_Projektblatt_MicroCatchBalt_ENG_2018.pdf

PLAWES

Microplastic Contamination in the Weser- Wadden Sea – National Park Model System: an Ecosystem-Wide Approach
September 2017
April 2021

In PLAWES, the modelling system of the German national park Weser-Wadden Sea was the first large European river basin that was investigated in detail regarding its microplastic pollution.

Website
http://www.bayceer.uni-bayreuth.de/PLAWES/en/
Project sheet
18_Projektblatt_PLAWES_ENG_2018.pdf

MikroPlaTas

Microplastics in Dams and Reservoirs: Sedimentation, Spread, Effects
January 2018
September 2021

The spread of microplastics in rivers showed that along a given waterway there are sources as well as sinks. Thus, dams and reservoirs constitute important but until now hardly investigated parts of a water system that serve as examples for risk vs. usefulness of sedimentation of microplastics.

Website
https://www.uni-muenster.de/Mikroplatas/en/index.html
Project sheet
16_Projektblatt_MicroPlaTas_ENG_2018.pdf

SubμTrack

Tracking of (Sub)Microplastics of Different Identities - Innovative Analysis Tools for Toxicological and Process-engineering Evaluation
September 2017
June 2021

The methods currently available for the analysis of microplastics in environmental matrices were primarily designed for particles in the size range of 1 μm to 5 mm. Smaller particles below 1 μm were hardly detected. However in contrast to larger particles, these are able to enter cells and have a higher potential for adsorption of pollutants due to their relatively larger surface.

Website
https://www.wasser.tum.de/en/ submuetrack/startseite/
Project sheet
09_Projektblatt_SubµTrack_ENG_2018.pdf
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