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Dresden 2014 – scientific programme

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DF: Fachverband Dielektrische Festkörper

DF 14: Nanostructured oxide thermoelectrics

DF 14.1: Talk

Wednesday, April 2, 2014, 12:30–12:50, GER 37

Application of nanostructures in the removal of contaminants: An experimental and theoretical approach — •Samuel Baltazar1, Dora Altbir1, Alejandra Garcia2, Aldo Romero3, Maria Rubio4, and Nicolás Arancibia41Departamento de Física y CEDENNA, Universidad de Santiago de Chile, Chile — 2Centro de Investigación en Materiales avanzados CIMAV, Monterrey, México. — 3Max-Planck-Institute für Mikrostrukturphysik, Halle, Germany — 4Facultad de Química y Biología, CEDENNA, Universidad de Santiago de Chile, Santiago, Chile

The study and application of metallic iron nanoparticles for cleaning contaminated water has been enhanced during the last years in several regions around the world. In particular, we consider the sorption of arsenic and lead from water following the kinetic process of the nanoparticles. Characterization of the material before and after the sorption process is considered in order to identify the new structures as a function of pH, and specific details of the nanoparticles such as the sorption capacity or the surface area. A Theoretical approach is also considered in order to identify the interactions between Arsenic compounds and iron nanoparticles performing ab initio calculations based on density functional theory.

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