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

Magnetic nanoparticles, nakabawas ng PFAS sa maruming tubig

PHYS

Gumamit ang isang team sa Erlangen ng functionalized iron oxide nanoparticles para kumapit sa iba’t ibang PFAS at fluorine-containing microplastics, saka inalis ang mga ito gamit ang magnet. Sa mga test sa tubig-ilog, wastewater sa paglalaba at kontaminadong inuming tubig, bumaba ang PFAS ng 87%, mas mababa sa limit ng Germany na 100 nanograms per liter.

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