Efecto de la calcinación de hidrocalumitas Fe-Ca como soporte de CoMo para la hidrodesulfuración de tiofeno e hidrogenación de ciclohexeno. / Calcination effect of Ca-Fe hydrocalumites supported CoMo for the hydrodesulfurization of thiophene and hydrogenation of cyclohexene.

Carlos Linares, Andri Campos, Susana Mujica, Freddy Ocanto, Pablo Bretto



Se sintetizó una hidrocalumita de Fe-Ca, se calcinó entre 500 y 900°C, y se caracterizó por diferentes técnicas tales como: difracción de rayos X (DRX), espectroscopia de infrarrojo con transformada de Fourier (FT-IR) y área superficial. Luego, los soportes fueron impregnados con Mo y Co. Finalmente, los catalizadores fueron probados en la hidrodesulfuración de tiofeno e hidrogenación de ciclohexeno como reacciones modelo. Los resultados mostraron que la actividad catalítica depende de la temperatura de calcinación del soporte, y éstos fueron más activos cuando los soportes se calcinaron a la temperatura más alta lo cual podría estar asociado a las fases presentes.


A Fe-Ca hydrocalumite was synthesized, calcined between 500 and 900°C, and characterized by different techniques such as: X-ray diffraction (XRD), Fourier-Transform infrared spectroscopy (FT-IR) and surface area. After that, supports were impregnated with Mo and Co. Finally, catalysts were tested in the thiophene hydrodesulfurization and cyclohexene hydrogenation as model reactions. Results showed that conversion depended of calcination temperature of support, and those were more active when the support was calcined to the highest temperature which could be associated to the present phases.

Palabras clave

Hidrocalumita; Hierro; Calcinación; Tiofeno; Ciclohexano; Non-associated; natural gas; reserves; geologic model; structural and sedimentological boundaries.

Texto completo:



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