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Mundo nano. Revista interdisciplinaria en nanociencias y nanotecnología
versión On-line ISSN 2448-5691versión impresa ISSN 2007-5979
Resumen
DURAN-ALVAREZ, Juan Carlos; AVELLA, Edwin y ZANELLA, Rodolfo. Descontaminación de agua utilizando nanomateriales y procesos fotocatalíticos. Mundo nano [online]. 2015, vol.8, n.14, pp.17-39. Epub 28-Mayo-2021. ISSN 2448-5691. https://doi.org/10.22201/ceiich.24485691e.2015.14.52510.
The removal of water pollutants is a priority issue worldwide. Many of these contaminants are recalcitrant in conventional water and wastewater treatment systems; due to this, a significant number of advanced treatment systems have been developed in order to efficiently remove such substances from water. Advanced oxidation processes such as heterogeneous catalysis have shown to efficiently remove a large group of organic and inorganic pollutants as well as microbiological agents. In this article, the principles of heterogeneous photocatalysis process are reviewed as well as the mechanisms involved in the degradation of contaminants in the water. Additionally, a brief review of the impact that surface modification of semiconductors have on the performance of the photocatalytic process is given.
Palabras llave : metallic nanoparticles; metallic oxides; photocatalysis; pollutants; semiconductors.