The dynamic behavior caused by hydro-adsorption process of materials based on a rich mineral clinoptilolite together with their acidic, basic and calcinated forms has been studied by the dynamic laser speckle (DLS) technique. We propose a modified Peleg's equation to improve fitting of DLS data. Textural (BET), structural (XRD) and spectroscopic (FTIR) properties were also studied and compared. We demonstrated that DLS was the most sensitive, simple and inexpensive method for comparing the performance of adsorptive materials with slightly modified surfaces. It also allowed the correlation with physicochemical properties.
Esta tesis se ha desarrollado en el marco de un Proyecto de Investigación de ANPCyT (14-12174), del tipo interdisciplinario, dirigido al estudio de zeolitas procedentes de depósitos nacionales, con el objeto de analizar su potencialidad tecnológica, particularmente en áreas como la agronómica, el control ambiental y la catálisis. La versatilidad estructural de este tipo de especies minerales ofrece permanentes oportunidades de estudio desde el punto de vista químico y tecnológico, actividad que, para su fortalecimiento necesariamente requiere la complementación de otras disciplinas así como el análisis de situaciones vigentes tanto a nivel nacional como regional, que requieren del aporte de soluciones para mejorar aspectos socio-económicos y productivos.
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