Preparation and characterization: The effect of incorporation by ion exchange of Pt, Ni and Ru on a H-ZSM5 zeolite

ANTUSIA BARBOSA; AN.S. BARBOSA; M. G. F. RODRIGUES; J. M. GRAU

Florianópolis

Conferencia; Eighth International Latin American Conference on Powder Technology; 2011

Sociedade Brasileira de Materiales

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, it?s 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, didn?t modify the textural characteristics of the zeolite, but the dispersion of nickel caused a change in values of surface area of catalysts.