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Title: Core-shell microspheres for the ultrafast degradation of estrogen hormone at neutral pH
Author: Villa, Katherine
Parmar, Jemish
Vilela, Diana
Sánchez Ordóñez, Samuel
Keywords: Contaminants
Influència del medi ambient en l'home
Aigües residuals
Environmental effects on human beings
Issue Date: 5-Feb-2018
Publisher: Royal Society of Chemistry
Abstract: In the past few years there has been growing concern about human exposure to endocrine disrupting chemicals. This kind of pollutants can bioaccumulate in aquatic organisms and lead to serious health problems, especially affecting child development. Many efforts have been devoted to achieving the efficient removal of such refractory organics. In this regard, a novel catalyst based on the combination of α-FeOOH and MnO2@MnCO3 catalysts has been developed by up-scalable techniques from cheap precursors and tested in the photo-Fenton-like degradation of an endocrine disruptor. Almost total degradation of 17α-ethynylestradiol hormone was achieved after only 2 min of simulated solar irradiation at neutral pH. The outstanding performance of FeOOH@MnO2@MnCO3 microspheres was mainly attributed to a larger generation of hydroxyl radicals, which are the primary mediators of the total oxidation for this hormone. This work contributes to the development of more cost-effective systems for the rapid and efficient removal of persistent organic pollutants present in sewage plant effluents under direct solar light.
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It is part of: RSC Advances, 2018, vol. 8, num. 11, p. 5840-5847
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Appears in Collections:Publicacions de projectes de recerca finançats per la UE
Articles publicats en revistes (Institut de Bioenginyeria de Catalunya (IBEC))

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