Taking the fight to microplastics with lasers

Photo: Wastewater treatment plant from top view; Copyright: leungchopan

Source: leungchopan

16.05.2022

Image: Filter green. ; Copyright: Fraunhofer ILT, Aachen

59 million holes in the filter plate of the first laser-drilled filter for the filtration of microplastics from municipal wastewater. Source: Fraunhofer ILT, Aachen

Image: Right: Micro-holes. Left: Close-up of the microholes on the grid. Copyright: Fraunhofer ILT, Aachen

In the microplastic filter, the films with the microholes are fixed on a coarser grid so that they do not tear under the water pressure. Source: Fraunhofer ILT, Aachen

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