Structural and Morphology Characterization ZSM-5 Zeolite by Hydrothermal Synthesis

Abstract:

Zeolite ZSM-5 have been synthesized by hydrothermal method, using tetrapropylammonium bromide as template. This work aims to evaluate the preparation and characterization structural and morphology of zeolite ZSM-5 resulting in a pure and crystalline material. The ZSM-5 zeolite was prepared by hydrothermal synthesis at 170 °C, using silica, deionized water and structure-directing salt (tetrapropylammonium bromide-TPABr). Several techniques like X ray diffraction (XRD), scanning electron microscopy (SEM) and X ray energy dispersion spectrophotometer (EDX) have been utilized to characterize the framework structure and morphology of the sample. Obtaining ZSM-5 zeolite could be confirmed by X ray diffratograms. The result X ray diffraction showed that the synthesized sample presented typical peaks of the ZSM-5 zeolite. According to the XRD, it is possible to observe intense and well defined peaks. The acquired X ray patterns identified the product as highly-crystalline materials, without the presence of impurities. From the images obtained by SEM, it was possible are composed of showed that the crystal accumulations of ZSM-5 zeolite, without the presence secondary phases on the crystals.

• Periodical: Materials Science Forum (Volumes 660-661)
• Pages: 543-548
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.660-661.543
• Online since: October 2010
• Authors: Valmir José da Silva, Alana Carolyne Crispim, M.B. Queiroz, Romualdo Rodrigues Menezes, Herve M. Laborde, Meiry Glaúcia Freire Rodrigues
• Keywords: Catalysis, Hydrothermal Synthesis, ZSM-5

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