Characterization of a zeolite obtained by the alkaline fusion method with silica-rich kaolin
Abstract
Kaolin, with ratios SiO2 /Al2O3 = 1.1785 - 2.6 with the use of alkaline fusion method is used as a source for zeolite synthesis. In contrast, kaolin sand is classified as a low quality material, due to its high silica content, with a ratio SiO2 /Al2O3> 2.6, so, finding new applications for it is of great interest. This has been a motive for the inspiration of this work, as it seeks to synthesize a zeolite with kaolin sand having a ratio SiO2 /Al2O3 = 3.51, through the alkali fusion method, but with the difference that aging is omitted for its simplification, followed by a hydrothermal process. The objective of this work is to characterize by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and elemental analysis of X-ray energy dispersive spectrometry (EDS) the product acquired by the synthesis, in order to verify the type of zeolite according to the identified phase, morphology and particle size, nomenclature and crystal size by the Scherrer equation.
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Copyright (c) 2022 Damián Díaz Guzmán , María del Cielo Zurita Álvarez, Felipe Legorreta García, Nelly K. Pérez González, Edgar A. Chávez Urbiola, Marius Ramírez Cardona
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