According to RTBF, it relays A US study published in 2020, not all filters are equally effective. Filter pitchers with activated carbon, for example, allow “50% PFAS removal”: a “Good opportunity“, according to Professor Bernard, especially because of its action on “chlorination by-products”. The Dual filters And, above all, The Reverse osmosis filters On the other hand are very useful but very expensive. According to tests in the United States, these can remove up to 97% of PFAS from running water.
The main disadvantage of these devices is their regular renewal, every 6 months to a year. Another big problem is that if they reach the end of their life and become “harsh” with these absorbed polluting elements, the filters … are thrown in the trash and do not benefit from “specific treatment” at this point, laments the professor. Quoted by Patricia Louise Algonero, RTBF.
What is PFAS?
PFAS is an acronym for “per- and polyfluoroalkyl,” a large family of more than 4,000 chemical compounds. Since the 1950s, non-stick, waterproof and heat-resistant, PFAS have been widely used in various industrial sectors and everyday consumer products, including textiles, food packaging, cosmetics and phytosanitary products. Recalls ANSES, the French National Institute for Food, Environmental and Occupational Health Protection.
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