LETITIA DOINA DUCEAC, CRISTINA ELENA DOBRE, IOANA PAVALEANU, GABRIELA CALIN, SIMONA NICHITUS, DANIELA DAMIR DISEASES PREVENTION BY WATER DEFLUORIDATION USING HYDROTALCITES AS DECONTAMINANT MATERIALS Preventing diseases is deemed to be the major goal of our century especially when an excessive fluoride in drinking water can cause dental fluorosis, bone stiffness, rheumatism and skeletal fluorosis. Fluoride uptake from groundwater implies a worldwide multidisciplinary effort in order to develop renewable, cheap, human friendly materials. Among other materials, hydrotalcites could be good candidates for an efficient fluoride removal from water due to their adsorption, anion exchange and reconstruction properties. These nanostructured materials were synthesized using co-precipitation method in controlled conditions. Presence of anions in the interlayer structure and morphological aspects were performed by FTIR and SEM techniques. Thermal treatment of hydrotalcites showed good adsorption capacities for water defluoridation mostly due to their tendency to restore the original structure.
Keywords: hydrotalcites, floride, groundwater, FTIR, SEM