Researchers develop reusable filter that removes 75% of PFAS from water
Researchers at the University of Bath created a 3D-printed filter that removes up to 75% of PFOA from water, utilizing indium oxide, and is energy-efficient and scalable for water treatment systems.
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Researchers at the University of Bath have developed a 3D-printed filter that effectively removes up to 75% of perfluorooctanoic acid (PFOA), a common "forever chemical," from water. The innovative design utilizes a special material called indium oxide, which is structured into small monoliths to maximize surface area for filtration. In laboratory tests, these monoliths removed 53% of PFOA within three hours, and after being heated and reused, they achieved a removal rate of 75%. The researchers emphasize that this method is energy-efficient and scalable, making it suitable for integration into existing water treatment systems. Currently, PFAS chemicals like PFOA are not strictly regulated in the UK, but anticipated policy changes may prompt water companies to adopt new filtration technologies. Experts in the field have noted the promising efficiency of this new technique, although challenges remain regarding its effectiveness against a broader range of PFAS and the potential for waste generation. PFAS are concerning due to their persistence in the environment and links to serious health issues, including various cancers and immune system problems.
- Researchers developed a 3D-printed filter that removes up to 75% of PFOA from water.
- The filter utilizes indium oxide and is designed for scalability and energy efficiency.
- Current regulations on PFAS in the UK are expected to change, prompting new filtration solutions.
- The technique shows promise but faces challenges in broader PFAS removal and waste management.
- PFAS are linked to serious health risks, raising concerns about their presence in the environment.
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