Location of pharmaceuticals adsorbed from water on Y organophilic zeolite by neutron powder diffraction
In the last decade, it was demonstrated that domestic wastewaters contain a variety of organic contaminants such as pharmaceuticals and personal care products. Most of these compounds undergo both incomplete removal in wastewater treatment plants and slow natural degradation, consequently they are found in surface waters receiving effluent from treatment plants [1]. Pharmaceuticals can also be found in surface waters due to their veterinary use, in such cases they enter the environment via manure dispersion and animal excretion onto soils [2]. Studies on conventional biological drinking-water treatment processes such as biofiltration have shown that they are largely ineffective in removing pharmaceuticals [3]. In literature, several works focused on advantages of zeolites as adsorbents, such as high selectivity, rapid kinetics, reduced interference from salt and humic substances [4], excellent resistance to chemical, biological, mechanical and thermal stress [5-7 and references therein]. Even if zeolites are more expensive with respect to other adsorbents, they offer the possibility to be regenerated without loss of performances at relatively low temperatures [8-10]. In this work
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Annalisa Martucci; G.Beltrami; NASSIF Vivian; PASTI Luisa; Elisa Rodeghero and SUARD Emmanuelle. (2018). Location of pharmaceuticals adsorbed from water on Y organophilic zeolite by neutron powder diffraction. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-04-128
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