Preparation and Characterization: The Effect of Incorporation by Ion Exchange of Pt, Ni and Ru on a H-ZSM5 Zeolite

Abstract:

The objective of this work was based on catalysts Pt, Ni and Ru supported on zeolite NH₄ZSM-5 and characterize them. In this work monometallic bifunctional catalysts were prepared (Pt/NH₄ZSM-5; Ni/NH₄ZSM-5; Ru/NH₄ZSM-5), all containing the same concentration of each metal supported by competitive ion exchange, using solutions of platinum complexes [Pt (NH₃)₄] Cl₂, Nickel [Ni (NH₃)₆] Cl₂ and chloride Ruthenium III (RuCl₃). The samples were characterized by chemical analysis by X-ray Spectroscopy Energy dispersive (EDS), X-Ray Diffraction (XRD), nitrogen adsorption (BET method). Through the analysis of X-ray diffraction, its possible to identify the preservation of the structure of zeolite ZSM-5 after the competitive ion Exchange with metals (Ni, Pt, Ru) and calcination. The dispersion of platinum and ruthenium in zeolite ZSM-5, didnt modify the textural characteristics of the zeolite, but the dispersion of nickel caused a change in values of surface area of catalysts.

• Periodical: Materials Science Forum (Volumes 727-728)
• Pages: 32-37
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.727-728.32
• Online since: August 2012
• Authors: Antusia Santos Barbosa, Antonielly Santos Barbosa, Meiry Glaúcia Freire Rodrigues, J. M. Grau
• Keywords: Ion Exchange Competitive, Ni, Pt, Ru, ZSM-5 Zeolite

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