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Ingeniería y competitividad
versión impresa ISSN 0123-3033
Resumen
MUNOZ, Verónica; ARROYAVE, Juan C.; ARBOLEDA, Johana y ECHAVARRIA, Adriana. Influencia de la relación Si/Al y del tamaño de cristal de la zeolita ZSM-5 en deshidrogenación oxidatíva de propano. Ing. compet. [online]. 2012, vol.14, n.2, pp.161-167. ISSN 0123-3033.
The oxidative dehydrogenation of propane (ODHP) is an important reaction in the chemical industry for the production of propylene. In this paper, morphology of ZSM-5 has been modified varying the crystallization conditions and Si/Al ratio in the synthesis gel. Five materials were obtained to improve the catalytic activity in the reaction ODHP. Synthesized materials were characterized by X-ray diffraction, thermal and chemical analysis, scanning electron microscopy and BET area. Catalytic studies showed better activity at low temperatures, for materials with higher content of Al in the structure and smaller crystal size, reaching maximum values of conversion and selectivity of 16% and 30% respectively
Palabras clave : Catalytic activity; Morphology; Propene; Stability; Zeolites.