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Revista Facultad de Ingeniería
versión impresa ISSN 0121-1129
Resumen
MACIAS-LOPEZ, Mario Alberto; RIOS-REYES, Carlos Alberto y CASTELLANOS-ALARCON, Oscar Mauricio. Structural analysis of the JßW (Na-J, barrer and white) zeotype obtained from kaolinite-rich clay. Rev. Fac. ing. [online]. 2018, vol.27, n.49, pp.23-33. ISSN 0121-1129.
The JBW zeolite was prepared from hydrogels under hydrothermal conditions by alkaline reaction, using NaOH as activating agent. The synthetic zeotype was studied by analytical techniques such as X-ray powder diffraction, scanning electron microscopy, Fourier transformed infrared spectroscopy and solid-state 29Si and 27Al Magic angle spinning nuclear magnetic resonance. Crystallographic data revealed that the JBW structure can be described by the orthorhombic space group Pna2 1 , with unit cell parameters a=16.409(2) Å, b=14.966(2) Å and c=5.2154(5) Å.
Palabras clave : hydrogels; JBW structure; orthorhombic; space group; unit cell; zeotype.