even been detected in 99% of bottled water, not solely in tap water. These are referred to as forever chemicals due to their exceedingly slow breakdown over time, lasting from hundreds to thousands of years. Research has also associated PFAS with severe health impacts in humans, such as liver damage, reproductive issues, immune system disruption, and, as expected, specific cancers. This highlights the extensive research focused on finding ways to eliminate them more efficiently. A joint study published in Advanced Materials presents a novel eco-friendly solution that may be utilized to eliminate hazardous PFAS from water.
It is crucial to understand that capturing PFAS molecules constitutes only a portion of the resolution. Techniques are also necessary to eliminate those substances. The research team has developed a dual solution after testing previously identified materials featuring a layered double hydroxide (LDH) composed of copper and aluminum. When combined with nitrate, the resulting compound adsorbs PFAS – attracting them to its surface – with extraordinary efficiency. It requires mere minutes to eliminate high concentrations compared to the slower commercial carbon filters generally employed for similar purposes. This efficiency is due to the slight charge imbalance of the layered copper-aluminum material, which facilitates the PFAS molecules to adhere more quickly and firmly than comparable alternatives. The research team evaluated the material in river, tap, and wastewater, and it performed excellently, including both static and continuous-flow systems. Therefore, this technology would be dependable in water treatment facilities, for example.
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