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October 2025

Cleaning water with light: A new generation of compact and efficient water treatment systems

Story by Katrin Schwarz

Industrial process and wastewater pose a major challenge when it comes to environmental protection. Fraunhofer researchers in Dresden have now succeeded in developing compact and energy-efficient systems that use photocatalytic oxidation to efficiently break down impurities. At the heart of these systems are foam ceramics with multifunctional coatings.

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