AI Article Synopsis
- The rise in resistant organic micropollutants in water highlights the need for improved treatment methods to protect human health and the environment.
- Researchers synthesized silica-clay nanocomposites as an alternative to traditional adsorbents like activated carbon for removing pharmaceuticals from contaminated water.
- The best-performing nanocomposite, consisting of 95% clay and 5% silica nanoparticles, efficiently removed various contaminants while being cost-effective and environmentally sustainable.
Article Abstract
The increasingly frequent detection of resistant organic micropollutants in waters calls for better treatment of these molecules that are recognized to be dangerous for human health and the environment. As an alternative to conventional adsorbent material such as activated carbon, silica-clay nanocomposites were synthesized for the removal of pharmaceuticals in contaminated water. Their efficiency with respect to carbamazepine, ciprofloxacin, danofloxacin, doxycycline, and sulfamethoxazole was assessed in model water and real groundwater spiked with the five contaminants. Results showed that the efficacy of contaminant removal depends on the chemical properties of the micropollutants. Among the adsorbents tested, the nanocomposite made of 95% clay and 5% SiO NPs was the most efficient and was easily recovered from solution after treatment compared with pure clay, for example. The composite is thus a good candidate in terms of operating costs and environmental sustainability for the removal of organic contaminants.
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| http://dx.doi.org/10.1007/s11356-020-11076-5 | DOI Listing |
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