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Ingeniería y competitividad
versión impresa ISSN 0123-3033
Resumen
RIOS, Carlos A.; WILLIAMS, Craig D. y CASTELLANOS, Oscar M.. Cristalizacion de zeolitas Na-A y Na-X bajas en sílice a partir de la transformación de caolín y obsidiana por fusión alcalina. Ing. compet. [online]. 2012, vol.14, n.2, pp.125-137. ISSN 0123-3033.
Zeolites Na-A and Na-X were successfully synthesized from kaolin and obsidian, respectively, following the alkaline fusion method. Raw materials were hydrothermally activated with NaOH to synthesize zeolites Na-A and Na-X. The transformation of the starting materials into zeolites has been evaluated by powder X-ray diffraction, scanning electron microscopy and Fourier transformed infrared spectroscopy to elucidate the crystallization process of zeolites. The use of low cost materials in zeolite synthesis become an area of important interest and research, playing an active role in promoting technological advances, research and technology transfer related to the production of zeolytic materials under well-optimized experimental conditions
Palabras clave : Aluminosilicates; Crystallization; Fusion; Hydrothermal; Zeolites.