A team in Erlangen used functionalized iron oxide nanoparticles to bind a broad range of PFAS and fluorine-containing microplastics, then remove them with a magnet. In tests on river water, laundry wastewater and a contaminated drinking water source, PFAS fell by 87%, below Germany’s 100 nanograms per liter limit.
(c) Danila Popov

Magnetische Nanopartikel senken PFAS in belastetem Wasser

PHYS

Ein Team in Erlangen nutzte funktionalisierte Eisenoxid-Nanopartikel, um ein breites Spektrum von PFAS und fluorhaltigen Mikroplastikpartikeln zu binden und magnetisch aus Wasser zu entfernen. In Tests mit Flusswasser, Waschwasser und einer belasteten Trinkwasserquelle sanken die PFAS-Werte um 87%, unter den deutschen Grenzwert von 100 Nanogramm pro Liter.

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