American scientists from the University of Buffalo have developed a method of purification from the dangerous compounds (PFA) (PFA) (PFAs (PFAs), known as “eternal chemicals .. magazine ACS ES&T Engineering.
PFAs, which are widely used in anti -structural coatings and packaging, are resistant to separation and are related to serious health risks, including cancer and developmental disorders in children. Modern purification methods (active carbon, reverse osmosis) are usually expensive and ineffective against these pollutants.
Researchers synthesized nannoks from organic chemicals called porfirin. Previous tests showed the success of the use of porphyrin nannons in the removal of water paintings, antibiotics, insecticides and chemicals that violate hormone production in humans.
Experiments showed that molecular Nannok selectively eliminated 38 types of PFA, which has minimal effects on water on the ecosystem. The efficacy of the waste water treatment using filter was 80%and groundwater -90%.
Development writers, “organic nanomalzema can be adapted for the targeted filtering by protecting the beneficial components of water,” he said.
Previously, scientists learned Convert toxic “eternal chemicals” into a valuable grapion.
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Source: Gazeta
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