New filtration technology could be game-changer in removal of Pfas ‘forever chemicals’

Researchers at Rice University have developed a new filtration technology that can absorb Pfas, also known as "forever chemicals," up to 100 times faster than existing systems. The technology uses a layered double hydroxide (LDH) material made from copper and aluminum, which attracts and absorbs the negatively charged long-chain Pfas. This non-thermal process allows for the destruction of Pfas without high temperatures, making it a potential game-changer in pollution control. The researchers replaced some aluminum atoms with copper atoms to enhance the material's properties. The technology was tested at 400-500C, which breaks the bonds between carbon and fluoride atoms, trapping the fluoride in the material. This breakthrough could improve remediation efforts and speed up the removal of Pfas from water.

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